Crash during *first* startup after update to 6.8.0 (i855 Chipset)

[Joachim Glauche]

Hello,

I just upgraded to xorg 6.8.0 on my centrino notebook.
When I want to start "startx" the first time (after reboot), it starts X 
and before loading the XSESSION (tried both Xsession and kde-3.3.0) X 
crashes. At this time I see the graphic screen but cannot do anything. 
Switching to console is not possible ;(

The SSHD is still running and I can login over an other computer. "ps 
aux" says me that no X server is running.
In the ssh shell I can start the Xserver with "startx" again and it will 
run! After that, I can switch to the console on my laptop again. But at 
this time the console fonts are messed up. I can see that I am writing 
something but I can't read it.

If X is running one time after booting, I can start it as often I want 
to -> no crash.


dmesg prints out that after starting X the first time:

mtrr: base(0xb0020000) is not aligned on a size(0x300000) boundary
[drm:i830_dma_initialize] *ERROR* can not find dma buffer map!
[drm:i830_irq_emit] *ERROR* i830_irq_emit called without lock held
Unable to handle kernel paging request at virtual address f01fdc48
 printing eip:
c03cbb76
*pde = 00000000
Oops: 0002 [#1]
PREEMPT
Modules linked in: ipw2100 ieee80211 ieee80211_crypt arc4 snd_seq_oss 
snd_seq_midi_event snd_seq snd_pcm_oss snd_mixer_oss snd_intel8x0 
snd_ac97_codec snd_pcm snd_timer snd_page_alloc snd_mpu401_uart 
snd_rawmidi snd_seq_device snd soundcore
CPU:    0
EIP:    0060:[<c03cbb76>]    Not tainted VLI
EFLAGS: 00013212   (2.6.9-rc2-mm2)
EIP is at i830_dma_quiescent+0x26/0xb0
eax: 001f1510   ebx: 00000000   ecx: f000c737   edx: f000c738
esi: c0703c20   edi: 00000000   ebp: 00000000   esp: db8dfed0
ds: 007b   es: 007b   ss: 0068
Process X (pid: 7737, threadinfo=db8de000 task=dd1cb930)
Stack: c0703c20 db8dff0c bffff218 c03cc500 c0703c20 c03cc50f c0703c20 
c03c4ff4
       c0703c20 c070432c c0704334 00000000 00000000 00000000 00000000 
00000001
       0000000a 00000000 dd1cb930 c011c800 00000000 00000000 dd7b2244 
dd7b22e4
Call Trace:
 [<c03cc500>] i830_driver_dma_quiescent+0x0/0x20
 [<c03cc50f>] i830_driver_dma_quiescent+0xf/0x20
 [<c03c4ff4>] i830_lock+0x264/0x310
 [<c011c800>] default_wake_function+0x0/0x20
 [<c011c800>] default_wake_function+0x0/0x20
 [<c03c4d14>] i830_ioctl+0xe4/0x160
 [<c016d9e0>] sys_ioctl+0x100/0x270
 [<c010524b>] syscall_call+0x7/0xb
Code: 90 8d 74 26 00 56 53 83 ec 0c 8b 74 24 18 8b 9e 08 07 00 00 89 34 
24 e8 09 df ff ff 83 7b 28 0f 7e 738b 43 24 8b 53 1c 8b 4b 0c <c7> 04 10 
01 00 00 02 83 c0 04 21 c8 c7 04 10 00 00 80 03 83 c0


I attached the full dmesg output to this mail.

I hope anyone can help me. If you need some info (strace of something?) 
then ask me.

Regards,
Joachim Glauche
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