https://bugs.freedesktop.org/show_bug.cgi?id=61765
Priority: medium
Bug ID: 61765
Assignee: [email protected]
Summary: Regression: null pointer dereference on reboot after
switcheroo use
QA Contact: [email protected]
Severity: major
Classification: Unclassified
OS: Linux (All)
Reporter: [email protected]
Hardware: x86-64 (AMD64)
Status: NEW
Version: git
Component: Driver/nouveau
Product: xorg
Created attachment 75867
--> https://bugs.freedesktop.org/attachment.cgi?id=75867&action=edit
screenshot of the crash
echo OFF > /sys/kernel/debug/vgaswitcheroo/switch
causes a null ptr deref at shurdown in this hybrid graphics laptop.
01:00.0 VGA compatible controller: NVIDIA Corporation GF108 [GeForce GT 540M]
(rev a1)
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller (rev 09)
It used to work fine in 3.6 , it broke at some point after 3.7 and continues to
be broken in 3.8 or in 3.9.
The attached file has a screen caputure of the crash.
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