From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
Subject: [Bug 61765] New: Regression: null pointer dereference on
reboot after switcheroo use
Date: Sun, 03 Mar 2013 22:02:30 +0000
Message-ID:
Priority
medium
Bug ID
61765
Assignee
nouveau@lists.freedesktop.org
Summary
Regression: null pointer dereference on reboot after switcheroo use
QA Contact
xorg-team@lists.x.org
Severity
major
Classification
Unclassified
OS
Linux (All)
Reporter
crrodriguez@opensuse.org
Hardware
x86-64 (AMD64)
Status
NEW
Version
git
Component
Driver/nouveau
Product
xorg
Created attachment 75867 [details]
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.