Intel i915 hangs but doesn't kill system when runlevel 5 starts

graysky · 2012-03-31 20:15:51

Experiencing a problem similar to the one reported in this thread with my G45-based motherboard using the xf86-video-intel and libva-driver-intel driver. I have this hooked-up to a Samsung HD TV via HDMI if that matters.

When the system boots into runlevel 3, no problems. When I go into runlevel 5, there is a 5-10 sec delay (black screen) before X finally comes up. Inspecting dmesg gives the following:

[  283.207987] [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state
[  283.209976] render error detected, EIR: 0x00000010
[  283.209976]   IPEIR: 0x00000000
[  283.209976]   IPEHR: 0x00000000
[  283.209976]   INSTDONE: 0xfffffffe
[  283.209976]   INSTPS: 0x0001e000
[  283.209976]   INSTDONE1: 0xffffffff
[  283.209976]   ACTHD: 0x00000008
[  283.209976] page table error
[  283.209976]   PGTBL_ER: 0x00000002
[  283.209976] [drm:i915_report_and_clear_eir] *ERROR* EIR stuck: 0x00000010, masking

*Contrary to the message, there is nothing under /sys/kernel/debug/
*I can find nothing relevant in /var/log/errors (just a mirroring of the dmesg output).
*Nothing in /var/log/Xorg.0.log (which I have posted Here.

Suggested are welcome.

falconindy · 2012-03-31 20:31:33

graysky wrote:

*Contrary to the message, there is nothing under /sys/kernel/debug/

Likely because debugfs isn't mounted

# mount -t debugfs debugfs /sys/kernel/debug

Gusar · 2012-03-31 20:34:28

graysky wrote:

*Contrary to the message, there is nothing under /sys/kernel/debug/

You need to mount debugfs there

mount -t debugfs none /sys/kernel/debug

or in /etc/fstab

debugfs		/sys/kernel/debug	debugfs		0 0

Edit: bah, falconindy was faster

Last edited by Gusar (2012-03-31 20:35:35)

graysky · 2012-03-31 20:58:42

Thanks for the quick replies, guys.

# mount -t debugfs debugfs /sys/kernel/debug
# telinit 5
... wait about 10 sec
# cat /sys/kernel/debug/dri/0/i915_error_state > ohshit

The resulting file is 1.4 M large. I removed much of the file and posted the results here. Does that output mean anything to you?

graysky · 2012-04-02 11:31:43

Posted to upstream: https://bugs.freedesktop.org/show_bug.cgi?id=48186

Arch Linux

#1 2012-03-31 20:15:51

Intel i915 hangs but doesn't kill system when runlevel 5 starts

#2 2012-03-31 20:31:33

Re: Intel i915 hangs but doesn't kill system when runlevel 5 starts

#3 2012-03-31 20:34:28

Re: Intel i915 hangs but doesn't kill system when runlevel 5 starts

#4 2012-03-31 20:58:42

Re: Intel i915 hangs but doesn't kill system when runlevel 5 starts

#5 2012-04-02 11:31:43

Re: Intel i915 hangs but doesn't kill system when runlevel 5 starts

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