Bug 444412

Summary: radeon X crash when closing other X server
Product: [Fedora] Fedora Reporter: Alexander Boström <abo>
Component: xorg-x11-drv-atiAssignee: X/OpenGL Maintenance List <xgl-maint>
Status: CLOSED RAWHIDE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: low Docs Contact:
Priority: low    
Version: rawhideCC: mcepl
Target Milestone: ---   
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Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
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Clone Of: Environment:
Last Closed: 2008-05-05 16:04:05 UTC Type: ---
Regression: --- Mount Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Flags
Kernel oops and misc messages none

Description Alexander Boström 2008-04-28 10:14:55 UTC 
(Maybe kernel is the right component, rather?)

Description of problem:
When starting an extra X server (:1), the original server (:0) crashes when one
returns to it by closing :1. Also, switching virtual console to :0 while :1 is
running crashes both servers.

Version-Release number of selected component (if applicable):
kernel-2.6.25-8.fc9.x86_64
xorg-x11-drv-ati-6.8.0-10.fc9.x86_64

How reproducible:
Always

Steps to Reproduce:
1. Install F9 preview x86_64, update, reboot.
2. Log in.
3. Either use fast user switch or su and "startx -- :1"

Additional info:

Kernel oops:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
IP: [<ffffffff882f463e>] :radeon:radeon_cp_init_ring_buffer+0x128/0x35d

Complete dmesg is attached.

Hardware:
Intel Core 2 Duo
ATI Technologies Inc RV516 [Radeon X1300/X1550 Series]
Comment 1 Alexander Boström 2008-04-28 10:14:55 UTC 
Created attachment 303955 [details]
Kernel oops and misc messages
Comment 2 Matěj Cepl 2008-04-29 20:12:09 UTC 
Thanks for the bug report.  We have reviewed the information you have provided
above, and there is some additional information we require that will be helpful
in our diagnosis of this issue.

Please attach your X server config file (/etc/X11/xorg.conf) and X server log
file (/var/log/Xorg.*.log) to the bug report as individual uncompressed file
attachments using the bugzilla file attachment link below.

Could you please also try to run without any /etc/X11/xorg.conf whatsoever and
let X11 autodetect your display and video card? Attach to this bug
/var/log/Xorg.0.log from this attempt as well, please.

We will review this issue again once you've had a chance to attach this information.

Thanks in advance.
Comment 3 Alexander Boström 2008-05-05 07:29:53 UTC 
After updating to

kernel-2.6.25-14.fc9.x86_64
xorg-x11-drv-ati-6.8.0-12.fc9.x86_64

it seems I can't reproduce this anymore.
Comment 4 Matěj Cepl 2008-05-05 16:04:05 UTC 
Thanks for letting us know.