Re: ✗ Xe.CI.Full: failure for drm/xe/guc: Make MMIO communication more robust (rev2)

[Michal Wajdeczko <michal.wajdeczko@intel.com>]

On 1/29/2026 7:57 PM, Michal Wajdeczko wrote:
> 
> 
> On 1/28/2026 3:54 AM, Patchwork wrote:
>> *Patch Details*
>> *Series:*	drm/xe/guc: Make MMIO communication more robust (rev2)
>> *URL:*	https://patchwork.freedesktop.org/series/160377/ <https://patchwork.freedesktop.org/series/160377/>
>> *State:*	failure
>> *Details:*	https://intel-gfx-ci.01.org/tree/intel-xe/xe-pw-160377v2/index.html <https://intel-gfx-ci.01.org/tree/intel-xe/xe-pw-160377v2/index.html>
>>
>>
>>   CI Bug Log - changes from xe-4456-e8c6d90736933d657ba897686e407f5b9a5058a8_FULL -> xe-pw-160377v2_FULL
>>
>>
>>     Summary
>>
>> *FAILURE*
>>
>> Serious unknown changes coming with xe-pw-160377v2_FULL absolutely need to be
>> verified manually.
>>
>> If you think the reported changes have nothing to do with the changes
>> introduced in xe-pw-160377v2_FULL, please notify your bug team (I915-ci-infra@lists.freedesktop.org) to allow them
>> to document this new failure mode, which will reduce false positives in CI.
>>
>>
>>     Participating hosts (2 -> 2)
>>
>> No changes in participating hosts
>>
>>
>>     Possible new issues
>>
>> Here are the unknown changes that may have been introduced in xe-pw-160377v2_FULL:
>>
>>
>>       IGT changes
>>
>>
>>         Possible regressions
>>
>>   * igt@xe_exec_basic@many-bindexecqueue-userptr@bcs0:
>>       o shard-bmg: PASS <https://intel-gfx-ci.01.org/tree/intel-xe/xe-4456-e8c6d90736933d657ba897686e407f5b9a5058a8/shard-bmg-3/igt@xe_exec_basic@many-bindexecqueue-userptr@bcs0.html> -> DMESG-FAIL <https://intel-gfx-ci.01.org/tree/intel-xe/xe-pw-160377v2/shard-bmg-1/igt@xe_exec_basic@many-bindexecqueue-userptr@bcs0.html> +1 other test dmesg-fail
> 
> <4> [527.456421] xe 0000:03:00.0: [drm] Tile0: GT0: Check job timeout: seqno=4294967292, lrc_seqno=4294967292, guc_id=2, not started
> <4> [532.575325] xe 0000:03:00.0: [drm] Tile0: GT0: Check job timeout: seqno=4294967292, lrc_seqno=4294967292, guc_id=2, not started
> <4> [537.693881] xe 0000:03:00.0: [drm] Tile0: GT0: Check job timeout: seqno=4294967292, lrc_seqno=4294967292, guc_id=2, not started
> <6> [538.335399] xe 0000:03:00.0: [drm] Tile0: GT0: Engine reset: engine_class=bcs, logical_mask: 0x1, guc_id=2, state=0x209
> <5> [538.336026] xe 0000:03:00.0: [drm] Tile0: GT0: Timedout job: seqno=4294967292, lrc_seqno=4294967292, guc_id=2, flags=0x0 in xe_exec_basic [10427]
> <6> [538.360634] xe 0000:03:00.0: [drm] Xe device coredump has been created
> 
> but I couldn't reproduce it locally, so lets rerun
>  

can't find email with CI.FULL (rev3) results, but they can be found here [1]

[1] https://patchwork.freedesktop.org/series/160377/#rev3

and now the only unrelated 'regression' was in:

* igt@kms_color@ctm-green-to-red@pipe-c-hdmi-a-3:

(kms_color:2305) CRITICAL: Test assertion failure function run_ctm_tests_for_pipe, file ../tests/kms_color.c:835: