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[U-Boot,v2,17/22] colibri_vf: disable undefined instruction events in user debug

Message ID 20190325162512.8702-18-marcel@ziswiler.com
State Awaiting Upstream
Delegated to: Stefano Babic
Headers show
Series colibri vybrid fixes, device tree enablement and driver model conversion | expand

Commit Message

Marcel Ziswiler March 25, 2019, 4:25 p.m. UTC 
From: Stefan Agner <stefan.agner@toradex.com>

It turns out that OpenSSL calls undefined instructions to detect
ARM capabilities at runtime (via SIGILL handler). This leads to
stack traces e.g. when logging in using SSH:
  [  877.464442] sshd (613): undefined instruction: pc=76ee2da8
  ...

Disable undefined instruction events since it is used as an
autodetecion mechanism.

Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Igor Opaniuk <igor.opaniuk@toradex.com>

---

Changes in v2: None

 include/configs/colibri_vf.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/include/configs/colibri_vf.h b/include/configs/colibri_vf.h
index 030281bb67..b2f27c1977 100644
--- a/include/configs/colibri_vf.h
+++ b/include/configs/colibri_vf.h
@@ -106,7 +106,7 @@ 
 	SD_BOOTCMD \
 	UBI_BOOTCMD \
 	"console=ttyLP0\0" \
-	"defargs=user_debug=31\0" \
+	"defargs=user_debug=30\0" \
 	"dfu_alt_info=" DFU_ALT_NAND_INFO "\0" \
 	"fdt_board=eval-v3\0" \
 	"fdt_fixup=;\0" \