[linux-firmware,SRU,B,0/1] linux-firmware: Update firmware file for Intel Bluetooth AX201
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Message ID 20200211085050.815058-1-vicamo.yang@canonical.com
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  • linux-firmware: Update firmware file for Intel Bluetooth AX201
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You-Sheng Yang Feb. 11, 2020, 8:50 a.m. UTC
BugLink: https://bugs.launchpad.net/bugs/1862734

[Impact]
Platforms with Intel Bluetooth AX201 HarrisonPeak (HrP) [8086:02f0] subsystem
[8086:4034] may hang system during suspend if it has ever been paired with BLE
devices.

[Fix]
Update bluetooth firmware intel/ibt-19-0-1.sfi to REL0318 or newer.

[Test Case]
1. pair with BLE devices. They doesn't have to stay connected/powered on
   during the test.
2. make sure Bluetooth is now receiving LE ADV broadcats, which should
   leave messages in dmesg like:

     Bluetooth: hci0: advertising data len corrected

3. suspend the system a few times to see if SUT is still resumed unexpectedly
   within a short period (< 1 minute).

[Regression Risk]
Low. This change only updates firmware blob for the specific hardware
affected.

[Other Info]
Same case in a resolved bug 1850738, bug 1858776, which we SRU-ed
intel/ibt-19-0-0.sfi, intel/ibt-19-0-4.sfi respectively. With new
platforms enabled, intel/ibt-19-0-1.sfi is found to suffer the same
symptom and is being upgraded separatedly.

Amit K Bag (1):
  linux-firmware: Update firmware file for Intel Bluetooth AX201

 WHENCE               |   4 ++--
 intel/ibt-19-0-1.sfi | Bin 715376 -> 722132 bytes
 2 files changed, 2 insertions(+), 2 deletions(-)

Comments

Seth Forshee Feb. 25, 2020, 10:14 p.m. UTC | #1
On Tue, Feb 11, 2020 at 04:50:49PM +0800, You-Sheng Yang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1862734
> 
> [Impact]
> Platforms with Intel Bluetooth AX201 HarrisonPeak (HrP) [8086:02f0] subsystem
> [8086:4034] may hang system during suspend if it has ever been paired with BLE
> devices.
> 
> [Fix]
> Update bluetooth firmware intel/ibt-19-0-1.sfi to REL0318 or newer.
> 
> [Test Case]
> 1. pair with BLE devices. They doesn't have to stay connected/powered on
>    during the test.
> 2. make sure Bluetooth is now receiving LE ADV broadcats, which should
>    leave messages in dmesg like:
> 
>      Bluetooth: hci0: advertising data len corrected
> 
> 3. suspend the system a few times to see if SUT is still resumed unexpectedly
>    within a short period (< 1 minute).
> 
> [Regression Risk]
> Low. This change only updates firmware blob for the specific hardware
> affected.
> 
> [Other Info]
> Same case in a resolved bug 1850738, bug 1858776, which we SRU-ed
> intel/ibt-19-0-0.sfi, intel/ibt-19-0-4.sfi respectively. With new
> platforms enabled, intel/ibt-19-0-1.sfi is found to suffer the same
> symptom and is being upgraded separatedly.

Applied, thanks!