https://bugs.freedesktop.org/show_bug.cgi?id=35374
Summary: nouveau: nv50, regression "GPU lockup - switching to
software fbcon" introduced in 2.6.38-rc8
Product: xorg
Version: 7.4
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Driver/nouveau
AssignedTo: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
Created an attachment (id=44527)
--> (https://bugs.freedesktop.org/attachment.cgi?id=44527)
dmesg log, 2.6.38 with commit 73412c3854c877e5f37ad944ee8977addde4d35a reverted
There's a regression introduced in kernel >=2.6.38-rc8. It's in nouveau/master
(commit 7972f91c24bb66643d76cf635faea78eb184e6b6) as well. Dmesg shows: "GPU
lockup - switching to software fbcon". I've done a git bisect. The problematic
commit is: 73412c3854c877e5f37ad944ee8977addde4d35a "drm/nouveau: allocate
kernel's notifier object at end of block". I reverted that commit on top of the
2.6.38 to confirm the issue.
Reproducible: always
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