Bug 471338

Summary: X crash on VT switch
Product: [Fedora] Fedora Reporter: Mads Kiilerich <mads>
Component: xorg-x11-drv-atiAssignee: Dave Airlie <airlied>
Status: CLOSED WORKSFORME QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: 10CC: mathieu-acct, mcepl, samtygier, xgl-maint
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2009-03-06 14:02:04 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
/var/log/dmesg
none
/var/log/Xorg.1.log with stacktrace
none
/var/log/Xorg.0.log.old with (II) RADEON(0): [RESUME] Attempting to re-init Radeon hardware. none

Description Mads Kiilerich 2008-11-13 01:41:24 UTC 
Description of problem:

When switching between VTs with X and text I got

0: /usr/bin/Xorg(xorg_backtrace+0x3b) [0x812b9ab]
1: /usr/bin/Xorg(xf86SigHandler+0x51) [0x80bc9e1]
2: [0x110400]
3: /usr/lib/xorg/modules/drivers//radeon_drv.so [0x234b3b]

Nov 13 01:42:35 localhost kernel: BUG: unable to handle kernel NULL pointer dereference at 00000000
Nov 13 01:42:35 localhost kernel: IP: [<f88dcad6>] :radeon:radeon_cp_init_ring_buffer+0x202/0x474


Version-Release number of selected component (if applicable):

kernel-2.6.27.5-94.fc10.i686
xorg-x11-drv-ati-6.9.0-38.fc10.i386

01:00.0 VGA compatible controller: ATI Technologies Inc M22 [Mobility Radeon X300]
Comment 1 Mads Kiilerich 2008-11-13 01:42:14 UTC 
Created attachment 323408 [details]
/var/log/dmesg
Comment 2 Mads Kiilerich 2008-11-13 01:43:23 UTC 
Created attachment 323409 [details]
/var/log/Xorg.1.log with stacktrace
Comment 3 Mads Kiilerich 2008-11-13 01:46:09 UTC 
Created attachment 323410 [details]
/var/log/Xorg.0.log.old with (II) RADEON(0): [RESUME] Attempting to re-init Radeon hardware. 

This seems similar to Bug 468975 which happened on a completely different machine

And btw: no xorg.conf, and booted with nomodeset
Comment 4 Matěj Cepl 2008-11-13 03:30:11 UTC 
Well, I will rather not close possible backtrace carrying bug, but it really looks like bug 468975 -- what matters is not exact type of hardware, but which driver is used IMHO, and it is the same xorg-x11-drv-ati in both cases.
Comment 5 Mads Kiilerich 2008-11-13 22:07:52 UTC 
*** Bug 468975 has been marked as a duplicate of this bug. ***
Comment 6 Mads Kiilerich 2008-11-13 22:11:24 UTC 
airlied: yeah its on my list, I just need to try and reproduce it here first.
Comment 7 Bug Zapper 2008-11-26 05:16:52 UTC 
This bug appears to have been reported against 'rawhide' during the Fedora 10 development cycle.
Changing version to '10'.

More information and reason for this action is here:
http://fedoraproject.org/wiki/BugZappers/HouseKeeping
Comment 8 Mads Kiilerich 2009-03-06 14:02:04 UTC 
That is long time ago, things have changed, and this report no longer has any value. 

Closing.