From patchwork Tue Mar 12 13:06:32 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Mokrejs X-Patchwork-Id: 227022 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 69D772C0294 for ; Wed, 13 Mar 2013 00:06:55 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932494Ab3CLNGh (ORCPT ); Tue, 12 Mar 2013 09:06:37 -0400 Received: from fold.natur.cuni.cz ([195.113.57.32]:44262 "HELO fold.natur.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1755444Ab3CLNGg (ORCPT ); Tue, 12 Mar 2013 09:06:36 -0400 Received: (qmail 11350 invoked from network); 12 Mar 2013 13:06:32 -0000 Received: from unknown (HELO ?192.168.251.6?) (192.168.251.6) by 192.168.251.1 with SMTP; 12 Mar 2013 13:06:32 -0000 Message-ID: <513F2858.5090907@fold.natur.cuni.cz> Date: Tue, 12 Mar 2013 14:06:32 +0100 From: Martin Mokrejs User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:19.0) Gecko/20100101 Firefox/19.0 SeaMonkey/2.16 MIME-Version: 1.0 To: USB list , linux-acpi@vger.kernel.org, "linux-pci@vger.kernel.org" Subject: Re: linux-3.7.10: 'nousb' causes repeated PME# enabled/disabled messages when 'pcie_aspm=off' and causes only partial acpiphp hotplug detection References: <513F1829.7080101@fold.natur.cuni.cz> In-Reply-To: <513F1829.7080101@fold.natur.cuni.cz> X-Enigmail-Version: 1.5 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Martin Mokrejs wrote: > Hi, > I booted same kernel under same BIOS settings with the only difference that > in the latter case I added 'nousb'. While inspecting the diffs in dmesg outputs > I see that something is happening with my network card and > > +r8169 0000:05:00.0: PME# disabled > +r8169 0000:05:00.0: PME# enabled > +r8169 0000:05:00.0: PME# disabled > > but also with SandyBridge PCI Express Root Port 5 > > +pcieport 0000:00:1c.4: PME# enabled > +pcieport 0000:00:1c.4: PME# disabled > +pcieport 0000:00:1c.4: PME# enabled > +pcieport 0000:00:1c.4: PME# disabled > +pcieport 0000:00:1c.4: PME# enabled > +pcieport 0000:00:1c.4: PME# disabled > +pcieport 0000:00:1c.4: PME# enabled > +pcieport 0000:00:1c.4: PME# disabled > +pcieport 0000:00:1c.4: PME# enabled > +pcieport 0000:00:1c.4: PME# disabled > +pcieport 0000:00:1c.4: PME# enabled > +pcieport 0000:00:1c.4: PME# disabled > > The pcieport messages are repeating every second, until forever, funny. This is probably related > to the 'pcie_aspm=off' on kernel commandline, but so far it was necessary to get acpiphp working > on kernels above 3.5. > > > Could that be related some udev or other userspace tool misbehaving when > there is no USB available? Or is that a purely kernel driver issue? > > > > 00:1c.4 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 5 (rev b5) (prog-if 00 [Normal decode]) > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- Latency: 0, Cache Line Size: 64 bytes > Bus: primary=00, secondary=0b, subordinate=0c, sec-latency=0 > I/O behind bridge: 0000f000-00000fff > Memory behind bridge: f7d00000-f7dfffff > Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff > Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B- > PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- > Capabilities: [40] Express (v2) Root Port (Slot+), MSI 00 > DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, L1 <1us > ExtTag- RBE+ FLReset- > DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- > RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- > MaxPayload 128 bytes, MaxReadReq 128 bytes > DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- > LnkCap: Port #5, Speed 5GT/s, Width x1, ASPM L0s L1, Latency L0 <512ns, L1 <16us > ClockPM- Surprise- LLActRep+ BwNot- > LnkCtl: ASPM L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk+ > ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- > LnkSta: Speed 5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt+ ABWMgmt+ > SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug- Surprise- > Slot #4, PowerLimit 10.000W; Interlock- NoCompl+ > SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg- > Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock- > SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ Interlock- > Changed: MRL- PresDet- LinkState+ > RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible- > RootCap: CRSVisible- > RootSta: PME ReqID 0000, PMEStatus- PMEPending- > DevCap2: Completion Timeout: Range BC, TimeoutDis+, LTR-, OBFF Not Supported ARIFwd- > DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-, OBFF Disabled ARIFwd- > LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance- SpeedDis- > Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS- > Compliance De-emphasis: -6dB > LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete-, EqualizationPhase1- > EqualizationPhase2-, EqualizationPhase3-, LinkEqualizationRequest- > Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit- > Address: 00000000 Data: 0000 > Capabilities: [90] Subsystem: Dell Device 04b3 > Capabilities: [a0] Power Management version 2 > Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) > Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME- > Kernel driver in use: pcieport > 00: 86 80 18 1c 07 00 10 00 b5 00 04 06 10 00 81 00 > 10: 00 00 00 00 00 00 00 00 00 0b 0c 00 f0 00 00 20 > 20: d0 f7 d0 f7 f1 ff 01 00 00 00 00 00 00 00 00 00 > 30: 00 00 00 00 40 00 00 00 00 00 00 00 0b 01 10 00 > 40: 10 80 42 01 00 80 00 00 00 00 10 00 12 3c 12 05 > 50: 42 00 12 f0 00 b2 24 00 00 00 40 01 00 00 00 00 > 60: 00 00 00 00 16 00 00 00 00 00 00 00 00 00 00 00 > 70: 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00 > a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 > b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > d0: 00 00 00 01 02 0b 00 00 00 80 11 81 00 00 00 00 > e0: 00 3f 00 00 00 00 00 00 01 00 00 00 00 00 00 00 > f0: 00 00 00 00 00 00 00 00 87 0f 05 08 00 00 00 00 > > > Although per dmesg the PME# changes happened every second, I managed to catch the > following difference by lspci only twice or three time sonly. But hope this is what > the dmesg line is about. The funny thing is that this PME# game is ongoing whether > the express slot is occupied by a card or not. Well, it is about the root port, so why > not? ;-) > Initially I cold-booted with a card inserted into the slot but some driver did not > realize the card is ejected. But per lspci I can confirm the device 11.00.0 was > recognized as removed from the slot. But why is the 00.1c.4 being modified I do not > know. > > Below is the PME# change bacjk and forth immediately. > > --- lspci_loop.23:45:01 2013-03-11 23:45:01.000000000 +0100 > +++ lspci_loop.23:45:02 2013-03-11 23:45:02.000000000 +0100 > @@ -410,7 +410,7 @@ > Capabilities: [90] Subsystem: Dell Device 04b3 > Capabilities: [a0] Power Management version 2 > Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) > - Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME- > + Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- > Kernel driver in use: pcieport > 00: 86 80 18 1c 07 00 10 00 b5 00 04 06 10 00 81 00 > 10: 00 00 00 00 00 00 00 00 00 0b 0c 00 f0 00 00 20 > @@ -422,7 +422,7 @@ > 70: 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00 > -a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 > +a0: 01 00 02 c8 00 00 00 00 00 00 00 00 00 00 00 00 > b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > d0: 00 00 00 01 02 0b 00 00 00 80 11 81 00 00 00 00 > --- lspci_loop.23:45:02 2013-03-11 23:45:02.000000000 +0100 > +++ lspci_loop.23:45:03 2013-03-11 23:45:03.000000000 +0100 > @@ -410,7 +410,7 @@ > Capabilities: [90] Subsystem: Dell Device 04b3 > Capabilities: [a0] Power Management version 2 > Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) > - Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- > + Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME- > Kernel driver in use: pcieport > 00: 86 80 18 1c 07 00 10 00 b5 00 04 06 10 00 81 00 > 10: 00 00 00 00 00 00 00 00 00 0b 0c 00 f0 00 00 20 > @@ -422,7 +422,7 @@ > 70: 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00 > -a0: 01 00 02 c8 00 00 00 00 00 00 00 00 00 00 00 00 > +a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 > b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > d0: 00 00 00 01 02 0b 00 00 00 80 11 81 00 00 00 00 > > > and more than a minute later another example > > > # diff -u -w lspci_loop.23:46:44 lspci_loop.23:46:45 > --- lspci_loop.23:46:44 2013-03-11 23:46:44.000000000 +0100 > +++ lspci_loop.23:46:45 2013-03-11 23:46:45.000000000 +0100 > @@ -410,7 +410,7 @@ > Capabilities: [90] Subsystem: Dell Device 04b3 > Capabilities: [a0] Power Management version 2 > Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) > - Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME- > + Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- > Kernel driver in use: pcieport > 00: 86 80 18 1c 07 00 10 00 b5 00 04 06 10 00 81 00 > 10: 00 00 00 00 00 00 00 00 00 0b 0c 00 f0 00 00 20 > @@ -422,7 +422,7 @@ > 70: 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00 > -a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 > +a0: 01 00 02 c8 00 00 00 00 00 00 00 00 00 00 00 00 > b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > d0: 00 00 00 01 02 0b 00 00 00 80 11 81 00 00 00 00 > # diff -u -w lspci_loop.23:46:45 lspci_loop.23:46:46 > --- lspci_loop.23:46:45 2013-03-11 23:46:45.000000000 +0100 > +++ lspci_loop.23:46:46 2013-03-11 23:46:46.000000000 +0100 > @@ -410,7 +410,7 @@ > Capabilities: [90] Subsystem: Dell Device 04b3 > Capabilities: [a0] Power Management version 2 > Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) > - Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- > + Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME- > Kernel driver in use: pcieport > 00: 86 80 18 1c 07 00 10 00 b5 00 04 06 10 00 81 00 > 10: 00 00 00 00 00 00 00 00 00 0b 0c 00 f0 00 00 20 > @@ -422,7 +422,7 @@ > 70: 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00 > -a0: 01 00 02 c8 00 00 00 00 00 00 00 00 00 00 00 00 > +a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 > b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > d0: 00 00 00 01 02 0b 00 00 00 80 11 81 00 00 00 00 The above do not happen on a system cold-booted with an empty express card slot. > > > The first pair of PME changes happened while the Firewire card was still cold-plugged in > the slot. The latter happened when the card was inserted back into the slot > but that has been only partially noticed by pcihp hotplug (read further below). Under > this BIOS+'nousb' setup the *acpiphp* hotplug does not work with this particular Firewire > OHCI card, or really badly. > > > Lets abstract away from the above PME# stuff and see how the system behaved during > eject of the cold-plugged card and what a partial detection happened on its later > hotplug insert, eject, insert. I will show intereleaved in the text the slot status > numbers as reported by lspci whenever they changed. The command is: > > while true; do echo -n "$(date +%T) SlotStatus "; setpci -s1c.7 0x5a.w; sleep 1; done > > > 23:45:21 SlotStatus 0040 > 23:45:22 SlotStatus 0040 > 23:45:23 SlotStatus 0040 > 23:45:25 SlotStatus 0040 > 23:45:26 SlotStatus 0040 > 23:45:27 SlotStatus 0040 > 23:45:28 SlotStatus 0108 > 23:45:29 SlotStatus 0100 > 23:45:30 SlotStatus 0100 > 23:45:31 SlotStatus 0100 > 23:45:32 SlotStatus 0100 > > --- lspci_loop.23:45:27 2013-03-11 23:45:27.000000000 +0100 > +++ lspci_loop.23:45:28 2013-03-11 23:45:28.000000000 +0100 > @@ -437,7 +437,7 @@ > I/O behind bridge: 0000c000-0000dfff > Memory behind bridge: f6c00000-f7cfffff > Prefetchable memory behind bridge: 00000000f0000000-00000000f10fffff > - Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- + Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B- > PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- > Capabilities: [40] Express (v2) Root Port (Slot+), MSI 00 > @@ -446,18 +446,18 @@ > DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- > RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- > MaxPayload 128 bytes, MaxReadReq 128 bytes > - DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- > + DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- > LnkCap: Port #8, Speed 5GT/s, Width x1, ASPM L0s L1, Latency L0 <1us, L1 <16us > ClockPM- Surprise- LLActRep+ BwNot- > LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk- > ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- > - LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt+ ABWMgmt- > + LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt+ ABWMgmt- > SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ Surprise+ > Slot #7, PowerLimit 10.000W; Interlock- NoCompl+ > SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg- > Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock- > - SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ Interlock- > - Changed: MRL- PresDet- LinkState- > + SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet- Interlock- > + Changed: MRL- PresDet- LinkState+ > RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible- > RootCap: CRSVisible- > RootSta: PME ReqID 0000, PMEStatus- PMEPending- > @@ -473,19 +473,19 @@ > Capabilities: [90] Subsystem: Dell Device 04b3 > Capabilities: [a0] Power Management version 2 > Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) > - Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- > + Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME- > Kernel driver in use: pcieport > 00: 86 80 1e 1c 07 00 10 00 b5 00 04 06 10 00 81 00 > -10: 00 00 00 00 00 00 00 00 00 11 16 00 c0 d0 00 00 > +10: 00 00 00 00 00 00 00 00 00 11 16 00 c0 d0 00 20 > 20: c0 f6 c0 f7 01 f0 01 f1 00 00 00 00 00 00 00 00 > 30: 00 00 00 00 40 00 00 00 00 00 00 00 0a 04 10 00 > -40: 10 80 42 01 00 80 00 00 00 00 10 00 12 4c 12 08 > -50: 00 00 11 70 60 b2 3c 00 00 00 40 00 00 00 00 00 > +40: 10 80 42 01 00 80 00 00 00 00 11 00 12 4c 12 08 > +50: 00 00 11 50 60 b2 3c 00 00 00 00 01 00 00 00 00 > 60: 00 00 00 00 16 00 00 00 00 00 00 00 00 00 00 00 > 70: 01 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 > 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00 > -a0: 01 00 02 c8 00 00 00 00 00 00 00 00 00 00 00 00 > +a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 > b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > d0: 00 00 00 01 02 0b 00 00 02 80 11 c1 00 00 00 00 > @@ -793,56 +793,3 @@ > e0: 00 00 40 63 00 00 00 00 00 00 00 00 00 00 00 00 > f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > > -11:00.0 FireWire (IEEE 1394): VIA Technologies, Inc. VT6315 Series Firewire Controller (rev 01) (prog-if 10 [OHCI]) > - Subsystem: VIA Technologies, Inc. VT6315 Series Firewire Controller > - Physical Slot: 1 > - Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- > - Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- - Latency: 0, Cache Line Size: 64 bytes > - Interrupt: pin A routed to IRQ 19 > - Region 0: Memory at f6c00000 (64-bit, non-prefetchable) [size=2K] > - Region 2: I/O ports at c000 [size=256] > - Capabilities: [50] Power Management version 3 > - Flags: PMEClk- DSI- D1- D2+ AuxCurrent=0mA PME(D0-,D1-,D2+,D3hot+,D3cold+) > - Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- > - Capabilities: [80] MSI: Enable- Count=1/1 Maskable+ 64bit+ > - Address: 0000000000000000 Data: 0000 > - Masking: 00000000 Pending: 00000000 > - Capabilities: [98] Express (v1) Endpoint, MSI 00 > - DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, L1 <1us > - ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset- > - DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- > - RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- > - MaxPayload 128 bytes, MaxReadReq 512 bytes > - DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr+ TransPend- > - LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 <1us, L1 <64us > - ClockPM+ Surprise- LLActRep- BwNot- > - LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk- > - ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt- > - LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk- DLActive- BWMgmt- ABWMgmt- > - Capabilities: [100 v1] Advanced Error Reporting > - UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- > - UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- > - UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol- > - CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+ > - CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+ > - AERCap: First Error Pointer: 14, GenCap+ CGenEn- ChkCap+ ChkEn- > - Capabilities: [130 v1] Device Serial Number 00-11-06-ff-ff-00-00-03 > - Kernel driver in use: firewire_ohci > -00: 06 11 03 34 07 00 10 00 01 10 00 0c 10 00 00 00 > -10: 04 00 c0 f6 00 00 00 00 01 c0 00 00 00 00 00 00 > -20: 00 00 00 00 00 00 00 00 00 00 00 00 06 11 03 34 > -30: 00 00 00 00 50 00 00 00 00 00 00 00 0a 01 00 00 > -40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > -50: 01 80 03 e4 00 00 00 00 00 00 00 00 00 00 00 00 > -60: 00 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00 > -70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > -80: 05 98 80 01 00 00 00 00 00 00 00 00 00 00 00 00 > -90: 00 00 00 00 00 00 00 00 10 00 01 00 00 80 90 05 > -a0: 00 20 19 00 11 4c 07 00 00 01 11 00 00 00 00 00 > -b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > -c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > -d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > -e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > -f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > > > Likely a partially detected hotplug insert of the card: > > 23:45:50 SlotStatus 0100 > 23:45:51 SlotStatus 0100 > 23:45:52 SlotStatus 0100 > 23:45:53 SlotStatus 0100 > 23:45:55 SlotStatus 0148 > 23:45:56 SlotStatus 0140 > 23:45:57 SlotStatus 0140 > 23:45:58 SlotStatus 0140 > > > --- lspci_loop.23:45:53 2013-03-11 23:45:55.000000000 +0100 > +++ lspci_loop.23:45:56 2013-03-11 23:45:56.000000000 +0100 > @@ -410,7 +410,7 @@ > Capabilities: [90] Subsystem: Dell Device 04b3 > Capabilities: [a0] Power Management version 2 > Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) > - Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME- > + Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- > Kernel driver in use: pcieport > 00: 86 80 18 1c 07 00 10 00 b5 00 04 06 10 00 81 00 > 10: 00 00 00 00 00 00 00 00 00 0b 0c 00 f0 00 00 20 > @@ -422,7 +422,7 @@ > 70: 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00 > -a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 > +a0: 01 00 02 c8 00 00 00 00 00 00 00 00 00 00 00 00 > b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > d0: 00 00 00 01 02 0b 00 00 00 80 11 81 00 00 00 00 > @@ -449,14 +449,14 @@ > DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- > LnkCap: Port #8, Speed 5GT/s, Width x1, ASPM L0s L1, Latency L0 <1us, L1 <16us > ClockPM- Surprise- LLActRep+ BwNot- > - LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk- > + LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk- > ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- > - LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt+ ABWMgmt- > + LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt+ ABWMgmt- > SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ Surprise+ > Slot #7, PowerLimit 10.000W; Interlock- NoCompl+ > SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg- > Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock- > - SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet- Interlock- > + SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ Interlock- > Changed: MRL- PresDet- LinkState+ > RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible- > RootCap: CRSVisible- > @@ -480,7 +480,7 @@ > 20: c0 f6 c0 f7 01 f0 01 f1 00 00 00 00 00 00 00 00 > 30: 00 00 00 00 40 00 00 00 00 00 00 00 0a 04 10 00 > 40: 10 80 42 01 00 80 00 00 00 00 11 00 12 4c 12 08 > -50: 00 00 11 50 60 b2 3c 00 00 00 00 01 00 00 00 00 > +50: 03 00 11 70 60 b2 3c 00 00 00 40 01 00 00 00 00 > 60: 00 00 00 00 16 00 00 00 00 00 00 00 00 00 00 00 > 70: 01 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 > 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > --- lspci_loop.23:45:56 2013-03-11 23:45:56.000000000 +0100 > +++ lspci_loop.23:45:57 2013-03-11 23:45:57.000000000 +0100 > @@ -410,7 +410,7 @@ > Capabilities: [90] Subsystem: Dell Device 04b3 > Capabilities: [a0] Power Management version 2 > Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) > - Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- > + Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME- > Kernel driver in use: pcieport > 00: 86 80 18 1c 07 00 10 00 b5 00 04 06 10 00 81 00 > 10: 00 00 00 00 00 00 00 00 00 0b 0c 00 f0 00 00 20 > @@ -422,7 +422,7 @@ > 70: 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00 > -a0: 01 00 02 c8 00 00 00 00 00 00 00 00 00 00 00 00 > +a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 > b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > d0: 00 00 00 01 02 0b 00 00 00 80 11 81 00 00 00 00 When I cold-boot the laptop with an empty express card slot and let acpiphp do the hotplug work, I get same lspci values with one difference. The PME# values are flipping in opposite direction (ASPM L1 Enabled -> ASPM L0s L1 Enabled on pure hotplug whereas on the subsequent hotplugs on a cold-booted laptop with a card inserted the changes were ASPM Disabled -> ASPM L0s L1 Enabled [the original email in this thread]): Below is the pure acpiphp hotplug behavior for reference with 'pcie_aspm=off' and 'nousb' for which the PME# game does NOT happen: 23:49:22 SlotStatus 0000 23:49:23 SlotStatus 0000 23:49:24 SlotStatus 0000 23:49:26 SlotStatus 0148 23:49:27 SlotStatus 0140 23:49:28 SlotStatus 0140 23:49:29 SlotStatus 0140 > > > Finally, the PME# game again: > --- lspci_loop.23:46:44 2013-03-11 23:46:44.000000000 +0100 > +++ lspci_loop.23:46:45 2013-03-11 23:46:45.000000000 +0100 > @@ -410,7 +410,7 @@ > Capabilities: [90] Subsystem: Dell Device 04b3 > Capabilities: [a0] Power Management version 2 > Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) > - Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME- > + Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- > Kernel driver in use: pcieport > 00: 86 80 18 1c 07 00 10 00 b5 00 04 06 10 00 81 00 > 10: 00 00 00 00 00 00 00 00 00 0b 0c 00 f0 00 00 20 > @@ -422,7 +422,7 @@ > 70: 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00 > -a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 > +a0: 01 00 02 c8 00 00 00 00 00 00 00 00 00 00 00 00 > b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > d0: 00 00 00 01 02 0b 00 00 00 80 11 81 00 00 00 00 > --- lspci_loop.23:46:45 2013-03-11 23:46:45.000000000 +0100 > +++ lspci_loop.23:46:46 2013-03-11 23:46:46.000000000 +0100 > @@ -410,7 +410,7 @@ > Capabilities: [90] Subsystem: Dell Device 04b3 > Capabilities: [a0] Power Management version 2 > Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) > - Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- > + Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME- > Kernel driver in use: pcieport > 00: 86 80 18 1c 07 00 10 00 b5 00 04 06 10 00 81 00 > 10: 00 00 00 00 00 00 00 00 00 0b 0c 00 f0 00 00 20 > @@ -422,7 +422,7 @@ > 70: 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00 > -a0: 01 00 02 c8 00 00 00 00 00 00 00 00 00 00 00 00 > +a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 > b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > d0: 00 00 00 01 02 0b 00 00 00 80 11 81 00 00 00 00 The above do not happen on a system cold-booted with an empty express card slot. > > > > Further details can be found by comparing these two directories: > > Firewire_coldplug_disabled_Media_card_reader/ > Firewire_coldplug_disabled_Media_card_reader_nousb/ > > Fetch them from http://195.113.57.32/~mmokrejs/tmp/3.7.10_acpiphp_pcie_aspm_off_full.tar.bz2 > (1.2MB but covers in additional sub-directories also other cards tested) The purely acpiphp hotplug data are in Firewire_hotplug_disabled_Media_card_reader_nousb/ subdirectory. Diffing dmesg under Firewire_coldplug_disabled_Media_card_reader_nousb/ and under Firewire_hotplug_disabled_Media_card_reader_nousb/ is left as an exercise for the reader willing to resolve the - ASPM L1 Enabled -> ASPM L0s L1 Enabled + ASPM Disabled -> ASPM L0s L1 Enabled underlying issue. Martin --- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html --- lspci_loop.23:49:24 2013-03-11 23:49:24.000000000 +0100 +++ lspci_loop.23:49:26 2013-03-11 23:49:26.000000000 +0100 @@ -449,15 +449,15 @@ DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- LnkCap: Port #8, Speed 5GT/s, Width x1, ASPM L0s L1, Latency L0 <1us, L1 <16us ClockPM- Surprise- LLActRep+ BwNot- - LnkCtl: ASPM L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk- + LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk- ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- - LnkSta: Speed 2.5GT/s, Width x0, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- + LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt- ABWMgmt- SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ Surprise+ Slot #7, PowerLimit 10.000W; Interlock- NoCompl+ SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg- Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock- - SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet- Interlock- - Changed: MRL- PresDet- LinkState- + SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ Interlock- + Changed: MRL- PresDet+ LinkState+ RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible- RootCap: CRSVisible- RootSta: PME ReqID 0000, PMEStatus- PMEPending- @@ -480,7 +480,7 @@ 20: c0 f6 c0 f7 01 f0 01 f1 00 00 00 00 00 00 00 00 30: 00 00 00 00 40 00 00 00 00 00 00 00 0a 04 10 00 40: 10 80 42 01 00 80 00 00 00 00 10 00 12 4c 12 08 -50: 02 00 01 10 60 b2 3c 00 00 00 00 00 00 00 00 00 +50: 03 00 11 30 60 b2 3c 00 00 00 48 01 00 00 00 00 60: 00 00 00 00 16 00 00 00 00 00 00 00 00 00 00 00 70: 01 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 @@ -488,7 +488,7 @@ a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 -d0: 00 00 00 01 02 0b 00 00 02 80 11 c1 00 00 00 00 +d0: 00 00 00 01 02 0b 00 00 02 80 11 c1 00 00 00 40 e0: 00 03 00 00 00 00 00 00 01 00 00 00 00 00 00 00 f0: 00 00 00 00 00 00 00 00 87 0f 05 08 00 00 00 00 --- lspci_loop.23:49:26 2013-03-11 23:49:26.000000000 +0100 +++ lspci_loop.23:49:27 2013-03-11 23:49:27.000000000 +0100 @@ -457,7 +457,7 @@ SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg- Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock- SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ Interlock- - Changed: MRL- PresDet+ LinkState+ + Changed: MRL- PresDet- LinkState+ RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible- RootCap: CRSVisible- RootSta: PME ReqID 0000, PMEStatus- PMEPending- @@ -480,7 +480,7 @@ 20: c0 f6 c0 f7 01 f0 01 f1 00 00 00 00 00 00 00 00 30: 00 00 00 00 40 00 00 00 00 00 00 00 0a 04 10 00 40: 10 80 42 01 00 80 00 00 00 00 10 00 12 4c 12 08 -50: 03 00 11 30 60 b2 3c 00 00 00 48 01 00 00 00 00 +50: 03 00 11 30 60 b2 3c 00 00 00 40 01 00 00 00 00 60: 00 00 00 00 16 00 00 00 00 00 00 00 00 00 00 00 70: 01 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 @@ -488,7 +488,7 @@ a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 -d0: 00 00 00 01 02 0b 00 00 02 80 11 c1 00 00 00 40 +d0: 00 00 00 01 02 0b 00 00 02 80 11 c1 00 00 00 00 e0: 00 03 00 00 00 00 00 00 01 00 00 00 00 00 00 00 f0: 00 00 00 00 00 00 00 00 87 0f 05 08 00 00 00 00 > > > Similarly, a partially detected eject of the card: > > 23:46:13 SlotStatus 0140 > 23:46:14 SlotStatus 0140 > 23:46:15 SlotStatus 0140 > 23:46:16 SlotStatus 0100 > 23:46:17 SlotStatus 0100 > 23:46:18 SlotStatus 0100 > > > --- lspci_loop.23:46:15 2013-03-11 23:46:15.000000000 +0100 > +++ lspci_loop.23:46:16 2013-03-11 23:46:16.000000000 +0100 > @@ -449,14 +449,14 @@ > DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- > LnkCap: Port #8, Speed 5GT/s, Width x1, ASPM L0s L1, Latency L0 <1us, L1 <16us > ClockPM- Surprise- LLActRep+ BwNot- > - LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk- > + LnkCtl: ASPM L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk- > ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- > - LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt+ ABWMgmt- > + LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt+ ABWMgmt- > SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ Surprise+ > Slot #7, PowerLimit 10.000W; Interlock- NoCompl+ > SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg- > Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock- > - SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ Interlock- > + SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet- Interlock- > Changed: MRL- PresDet- LinkState+ > RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible- > RootCap: CRSVisible- > @@ -480,7 +480,7 @@ > 20: c0 f6 c0 f7 01 f0 01 f1 00 00 00 00 00 00 00 00 > 30: 00 00 00 00 40 00 00 00 00 00 00 00 0a 04 10 00 > 40: 10 80 42 01 00 80 00 00 00 00 11 00 12 4c 12 08 > -50: 03 00 11 70 60 b2 3c 00 00 00 40 01 00 00 00 00 > +50: 02 00 11 50 60 b2 3c 00 00 00 00 01 00 00 00 00 > 60: 00 00 00 00 16 00 00 00 00 00 00 00 00 00 00 00 > 70: 01 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 > 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Dtto partial hotplug eject on a system cold-booted with an empty express card slot: 23:50:03 SlotStatus 0140 23:50:04 SlotStatus 0140 23:50:05 SlotStatus 0140 23:50:07 SlotStatus 0100 23:50:08 SlotStatus 0100 23:50:09 SlotStatus 0100 --- lspci_loop.23:50:05 2013-03-11 23:50:05.000000000 +0100 +++ lspci_loop.23:50:06 2013-03-11 23:50:06.000000000 +0100 @@ -446,17 +446,17 @@ DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- MaxPayload 128 bytes, MaxReadReq 128 bytes - DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- + DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- LnkCap: Port #8, Speed 5GT/s, Width x1, ASPM L0s L1, Latency L0 <1us, L1 <16us ClockPM- Surprise- LLActRep+ BwNot- - LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk- + LnkCtl: ASPM L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk- ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- - LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt- ABWMgmt- + LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ Surprise+ Slot #7, PowerLimit 10.000W; Interlock- NoCompl+ SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg- Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock- - SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ Interlock- + SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet- Interlock- Changed: MRL- PresDet- LinkState+ RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible- RootCap: CRSVisible- @@ -479,8 +479,8 @@ 10: 00 00 00 00 00 00 00 00 00 11 16 00 c0 d0 00 00 20: c0 f6 c0 f7 01 f0 01 f1 00 00 00 00 00 00 00 00 30: 00 00 00 00 40 00 00 00 00 00 00 00 0a 04 10 00 -40: 10 80 42 01 00 80 00 00 00 00 10 00 12 4c 12 08 -50: 03 00 11 30 60 b2 3c 00 00 00 40 01 00 00 00 00 +40: 10 80 42 01 00 80 00 00 00 00 11 00 12 4c 12 08 +50: 02 00 11 10 60 b2 3c 00 00 00 00 01 00 00 00 00 60: 00 00 00 00 16 00 00 00 00 00 00 00 00 00 00 00 70: 01 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > > > Again, a partially detect hotplug insert: > > 23:46:25 SlotStatus 0100 > 23:46:26 SlotStatus 0100 > 23:46:27 SlotStatus 0100 > 23:46:29 SlotStatus 0148 > 23:46:31 SlotStatus 0140 > 23:46:32 SlotStatus 0140 > 23:46:33 SlotStatus 0140 > > > --- lspci_loop.23:46:27 2013-03-11 23:46:27.000000000 +0100 > +++ lspci_loop.23:46:29 2013-03-11 23:46:30.000000000 +0100 > @@ -449,15 +449,15 @@ > DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- > LnkCap: Port #8, Speed 5GT/s, Width x1, ASPM L0s L1, Latency L0 <1us, L1 <16us > ClockPM- Surprise- LLActRep+ BwNot- > - LnkCtl: ASPM L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk- > + LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk- > ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- > - LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt+ ABWMgmt- > + LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt+ ABWMgmt- > SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ Surprise+ > Slot #7, PowerLimit 10.000W; Interlock- NoCompl+ > SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg- > Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock- > - SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet- Interlock- > - Changed: MRL- PresDet- LinkState+ > + SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ Interlock- > + Changed: MRL- PresDet+ LinkState+ > RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible- > RootCap: CRSVisible- > RootSta: PME ReqID 0000, PMEStatus- PMEPending- > @@ -480,7 +480,7 @@ > 20: c0 f6 c0 f7 01 f0 01 f1 00 00 00 00 00 00 00 00 > 30: 00 00 00 00 40 00 00 00 00 00 00 00 0a 04 10 00 > 40: 10 80 42 01 00 80 00 00 00 00 11 00 12 4c 12 08 > -50: 02 00 11 50 60 b2 3c 00 00 00 00 01 00 00 00 00 > +50: 03 00 11 70 60 b2 3c 00 00 00 48 01 00 00 00 00 > 60: 00 00 00 00 16 00 00 00 00 00 00 00 00 00 00 00 > 70: 01 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 > 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > @@ -488,7 +488,7 @@ > a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 > b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > -d0: 00 00 00 01 02 0b 00 00 02 80 11 c1 00 00 00 00 > +d0: 00 00 00 01 02 0b 00 00 02 80 11 c1 00 00 00 40 > e0: 00 03 00 00 00 00 00 00 01 00 00 00 00 00 00 00 > f0: 00 00 00 00 00 00 00 00 87 0f 05 08 00 00 00 00 > --- lspci_loop.23:46:29 2013-03-11 23:46:30.000000000 +0100 > +++ lspci_loop.23:46:31 2013-03-11 23:46:31.000000000 +0100 > @@ -457,7 +457,7 @@ > SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg- > Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock- > SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ Interlock- > - Changed: MRL- PresDet+ LinkState+ > + Changed: MRL- PresDet- LinkState+ > RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible- > RootCap: CRSVisible- > RootSta: PME ReqID 0000, PMEStatus- PMEPending- > @@ -480,7 +480,7 @@ > 20: c0 f6 c0 f7 01 f0 01 f1 00 00 00 00 00 00 00 00 > 30: 00 00 00 00 40 00 00 00 00 00 00 00 0a 04 10 00 > 40: 10 80 42 01 00 80 00 00 00 00 11 00 12 4c 12 08 > -50: 03 00 11 70 60 b2 3c 00 00 00 48 01 00 00 00 00 > +50: 03 00 11 70 60 b2 3c 00 00 00 40 01 00 00 00 00 > 60: 00 00 00 00 16 00 00 00 00 00 00 00 00 00 00 00 > 70: 01 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 > 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > @@ -488,7 +488,7 @@ > a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 > b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > -d0: 00 00 00 01 02 0b 00 00 02 80 11 c1 00 00 00 40 > +d0: 00 00 00 01 02 0b 00 00 02 80 11 c1 00 00 00 00 > e0: 00 03 00 00 00 00 00 00 01 00 00 00 00 00 00 00 > f0: 00 00 00 00 00 00 00 00 87 0f 05 08 00 00 00 00 Dtto partial hotplug insert on a system cold-booted with an empty express card slot: 23:50:15 SlotStatus 0100 23:50:16 SlotStatus 0100 23:50:17 SlotStatus 0100 23:50:19 SlotStatus 0148 23:50:20 SlotStatus 0140 23:50:21 SlotStatus 0140 23:50:22 SlotStatus 0140 --- lspci_loop.23:50:17 2013-03-11 23:50:17.000000000 +0100 +++ lspci_loop.23:50:19 2013-03-11 23:50:19.000000000 +0100 @@ -449,15 +449,15 @@ DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- LnkCap: Port #8, Speed 5GT/s, Width x1, ASPM L0s L1, Latency L0 <1us, L1 <16us ClockPM- Surprise- LLActRep+ BwNot- - LnkCtl: ASPM L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk- + LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk- ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- - LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- + LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt- ABWMgmt- SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ Surprise+ Slot #7, PowerLimit 10.000W; Interlock- NoCompl+ SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg- Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock- - SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet- Interlock- - Changed: MRL- PresDet- LinkState+ + SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ Interlock- + Changed: MRL- PresDet+ LinkState+ RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible- RootCap: CRSVisible- RootSta: PME ReqID 0000, PMEStatus- PMEPending- @@ -480,7 +480,7 @@ 20: c0 f6 c0 f7 01 f0 01 f1 00 00 00 00 00 00 00 00 30: 00 00 00 00 40 00 00 00 00 00 00 00 0a 04 10 00 40: 10 80 42 01 00 80 00 00 00 00 11 00 12 4c 12 08 -50: 02 00 11 10 60 b2 3c 00 00 00 00 01 00 00 00 00 +50: 03 00 11 30 60 b2 3c 00 00 00 48 01 00 00 00 00 60: 00 00 00 00 16 00 00 00 00 00 00 00 00 00 00 00 70: 01 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 @@ -488,7 +488,7 @@ a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 -d0: 00 00 00 01 02 0b 00 00 02 80 11 c1 00 00 00 00 +d0: 00 00 00 01 02 0b 00 00 02 80 11 c1 00 00 00 40 e0: 00 03 00 00 00 00 00 00 01 00 00 00 00 00 00 00 f0: 00 00 00 00 00 00 00 00 87 0f 05 08 00 00 00 00 --- lspci_loop.23:50:19 2013-03-11 23:50:19.000000000 +0100 +++ lspci_loop.23:50:20 2013-03-11 23:50:20.000000000 +0100 @@ -457,7 +457,7 @@ SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg- Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock- SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ Interlock- - Changed: MRL- PresDet+ LinkState+ + Changed: MRL- PresDet- LinkState+ RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible- RootCap: CRSVisible- RootSta: PME ReqID 0000, PMEStatus- PMEPending- @@ -480,7 +480,7 @@ 20: c0 f6 c0 f7 01 f0 01 f1 00 00 00 00 00 00 00 00 30: 00 00 00 00 40 00 00 00 00 00 00 00 0a 04 10 00 40: 10 80 42 01 00 80 00 00 00 00 11 00 12 4c 12 08 -50: 03 00 11 30 60 b2 3c 00 00 00 48 01 00 00 00 00 +50: 03 00 11 30 60 b2 3c 00 00 00 40 01 00 00 00 00 60: 00 00 00 00 16 00 00 00 00 00 00 00 00 00 00 00 70: 01 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 @@ -488,7 +488,7 @@ a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 -d0: 00 00 00 01 02 0b 00 00 02 80 11 c1 00 00 00 40 +d0: 00 00 00 01 02 0b 00 00 02 80 11 c1 00 00 00 00 e0: 00 03 00 00 00 00 00 00 01 00 00 00 00 00 00 00 f0: 00 00 00 00 00 00 00 00 87 0f 05 08 00 00 00 00