intel-xe.lists.freedesktop.org archive mirror
 help / color / mirror / Atom feed
* REGRESSION on linux-next (next-20251106)
@ 2025-11-10  6:36 Borah, Chaitanya Kumar
  2025-11-12 22:32 ` Jason Gunthorpe
  2025-11-18  1:29 ` Jason Gunthorpe
  0 siblings, 2 replies; 25+ messages in thread
From: Borah, Chaitanya Kumar @ 2025-11-10  6:36 UTC (permalink / raw)
  To: jgg
  Cc: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org,
	Lucas De Marchi, Kurmi, Suresh Kumar, Saarinen, Jani,
	matthew.auld, baolu.lu, iommu

Hello Jason,

Hope you are doing well. I am Chaitanya from the linux graphics team in 
Intel.

This mail is regarding a regression we are seeing in our CI runs[1] on
linux-next repository.

Since the version next-20251106 [2], we are seeing our tests timing out 
presumably caused by a GPU Hang.

`````````````````````````````````````````````````````````````````````````````````
<6> [490.872058] i915 0000:00:02.0: [drm] Got hung context on vcs0 with 
active request 939:2 [0x1004] not yet started
<6> [490.875244] i915 0000:00:02.0: [drm] GPU HANG: ecode 12:4:baffffff
<7> [496.424189] i915 0000:00:02.0: 
[drm:intel_guc_context_reset_process_msg [i915]] GT1: GUC: Got context 
reset notification: 0x1004 on vcs0, exiting = no, banned = no
<6> [496.921551] i915 0000:00:02.0: [drm] Got hung context on vcs0 with 
active request 939:2 [0x1004] not yet started
<6> [496.924799] i915 0000:00:02.0: [drm] GPU HANG: ecode 12:4:baffffff
<4> [499.946641] [IGT] Per-test timeout exceeded. Killing the current 
test with SIGQUIT.
`````````````````````````````````````````````````````````````````````````````````
Details log can be found in [3].

After bisecting the tree, the following patch [4] seems to be the first 
"bad" commit

`````````````````````````````````````````````````````````````````````````````````````````````````````````
commit d373449d8e97891434db0c64afca79d903c1194e
Author: Jason Gunthorpe jgg@nvidia.com
Date:   Thu Oct 23 15:22:36 2025 -0300

     iommu/vt-d: Use the generic iommu page table
`````````````````````````````````````````````````````````````````````````````````````````````````````````

We could not revert the patch because of merge issues but resetting to 
the parent[5] of the commit seems to fix the issue.

Could you please check why the patch causes this regression and provide 
a fix if necessary?

Thank you.

Regards

Chaitanya

[1]
https://intel-gfx-ci.01.org/tree/linux-next/combined-alt.html?
[2] 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20251106
[3]
https://intel-gfx-ci.01.org/tree/linux-next/next-20251106/bat-arlh-2/dmesg0.txt
[4] 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20251106&id=d373449d8e97891434db0c64afca79d903c1194e
[5] 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20251106&id=ef7bfe5bbffdcfa033beeeb068c6317f71730679

^ permalink raw reply	[flat|nested] 25+ messages in thread

end of thread, other threads:[~2025-11-21 13:53 UTC | newest]

Thread overview: 25+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2025-11-10  6:36 REGRESSION on linux-next (next-20251106) Borah, Chaitanya Kumar
2025-11-12 22:32 ` Jason Gunthorpe
2025-11-13  2:00   ` Tian, Kevin
2025-11-17 15:24     ` Jason Gunthorpe
2025-11-17 12:54   ` Baolu Lu
2025-11-17 15:22     ` Jason Gunthorpe
2025-11-18  1:29 ` Jason Gunthorpe
2025-11-18  4:04   ` Tian, Kevin
2025-11-18  6:19     ` Baolu Lu
2025-11-18  6:23     ` Baolu Lu
2025-11-18  7:47       ` Tian, Kevin
2025-11-18 11:29         ` Baolu Lu
2025-11-18 12:35           ` Jason Gunthorpe
2025-11-19  7:25             ` Baolu Lu
2025-11-18 10:30   ` Baolu Lu
2025-11-18 15:16   ` Borah, Chaitanya Kumar
2025-11-18 16:13     ` Jason Gunthorpe
2025-11-19  9:29       ` Baolu Lu
     [not found]       ` <0c3cd494-e42a-4607-896c-4c341f90c270@intel.com>
2025-11-19  9:31         ` Tian, Kevin
2025-11-19 18:51           ` Jason Gunthorpe
2025-11-19 23:56             ` Tian, Kevin
2025-11-20  2:18               ` Jason Gunthorpe
2025-11-20  2:24                 ` Baolu Lu
2025-11-20  7:27                 ` Baolu Lu
2025-11-20  0:19             ` Tian, Kevin

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).