Was already in unstable rebase.
** Changed in: linux (Ubuntu Questing)
Status: In Progress => Fix Released
** Changed in: linux (Ubuntu Plucky)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/2114697
Title:
[SRU] Fix GT0: Engine reset when suspend on Intel LNL
Status in HWE Next:
In Progress
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-6.11 package in Ubuntu:
Invalid
Status in linux-oem-6.14 package in Ubuntu:
Invalid
Status in linux source package in Noble:
Won't Fix
Status in linux-oem-6.11 source package in Noble:
In Progress
Status in linux-oem-6.14 source package in Noble:
Fix Released
Status in linux source package in Plucky:
Fix Committed
Status in linux-oem-6.11 source package in Plucky:
Invalid
Status in linux-oem-6.14 source package in Plucky:
Invalid
Status in linux source package in Questing:
Fix Released
Status in linux-oem-6.11 source package in Questing:
Invalid
Status in linux-oem-6.14 source package in Questing:
Invalid
Bug description:
[Impact]
When stress s2idle on Lenovo ThinkPad Intel LNL,
sometimes the system encountered error:
xe 0000:00:02.0: [drm] GT0: Engine reset: engine_class=bcs, logical_mask:
0x2, guc_id=0
xe 0000:00:02.0: [drm] GT0: Timedout job: seqno=220338, lrc_seqno=220338,
guc_id=0, flags=0x13 in no process [-1]
If execute suspend again the system will hang.
[Fix]
To prevent this try to call xe_sched_stop() to forcefully remove
anything on the pending_list that has already signalled, before we
re-submit.
[Test]
Tested on 3 platforms Intel LNL, suspend 90 times OK by:
$ sudo fwts s3 --s3-multiple=90
After it finished, no related error in log and the display OK.
[Where problems could occur]
It make break Intel XE driver.
Intel LNL is supported from oem-6.11 which is EOL,
so SRU for 6.14+ kernel versions.
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