FS#21165 - [xf86-video-ati] Segfault when KMS is not enabled

Attached to Project: Arch Linux
Opened by Brad Fanella (cesura) - Saturday, 09 October 2010, 21:45 GMT
Last edited by Andreas Radke (AndyRTR) - Sunday, 10 October 2010, 18:12 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To Andreas Radke (AndyRTR)
Architecture All
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Xorg will segfault on start if KMS is *not* enabled (Arch64).

Here is what I believe to be important:
Backtrace:
[ 27.422] 0: /usr/bin/X (xorg_backtrace+0x28) [0x49f558]
[ 27.422] 1: /usr/bin/X (0x400000+0x67939) [0x467939]
[ 27.422] 2: /lib/libpthread.so.0 (0x7f8c1441e000+0xf1c0) [0x7f8c1442d1c0]
[ 27.422] Segmentation fault at address (nil)
[ 27.422]
Fatal server error:
[ 27.422] Caught signal 11 (Segmentation fault). Server aborting

My full Xorg.0.log is attached.

Additional info:
* Video card (lspci):
01:05.0 VGA compatible controller: ATI Technologies Inc RS690 [Radeon X1200 Series]

* Video drivers:
local/xf86-video-ati 6.13.2-1 (xorg-video-drivers)
X.org ati video driver
local/xf86-video-radeonhd 1.3.0-3 (xorg-video-drivers)
Experimental Radeon HD video driver for r500 and r600 ATI cards

* Kernel:
local/kernel26 2.6.35.7-1 (base)
The Linux Kernel and modules

* Xorg:
local/xorg-server 1.9.0-1 (xorg)
Xorg X server


Footnotes:
* I have tried both "ati" and "radeon" as driver settings in xorg.conf, and the problem still occurs.
* Sorry if this is not enough information. I will be happy to post more if it is needed.
   Xorg.0.log (46.2 KiB)
This task depends upon

Closed by  Andreas Radke (AndyRTR)
Sunday, 10 October 2010, 18:12 GMT
Reason for closing:  Won't fix
Additional comments about closing:  kms seems to work. ums is depricated.
Comment by Brad Fanella (cesura) - Saturday, 09 October 2010, 21:47 GMT
Sorry. Forgot to set "Architecture" to x86_64. Feel free to change it if someone cannot confirm this to be happening on i686.
Comment by Andreas Radke (AndyRTR) - Sunday, 10 October 2010, 07:27 GMT
non-KMS mode is no more recommended. you should use KMS and maybe try the new mesa stack in testing. you can anyway report your issue upstream.
Comment by Brad Fanella (cesura) - Sunday, 10 October 2010, 17:25 GMT
The only reason I try to avoid KMS is because I experience the screen turning off for about 3 seconds every 15-20 minutes or so (I think that this is a known bug already). I guess I'll have to stick to KMS, because X at least works with that.

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