[Bug 60820] X freezes after updating kernel, libdrm2 and intel_drv to 3.8-rc7, 2.4.42+git20130211.20c5607b, 2.21.2+git20130211.75406775 respectively.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=60820

--- Comment #9 from Gökçen Eraslan <gokcen.eraslan at gmail.com> ---
(In reply to comment #7)
> Can you also please check /sys/kernel/debug/dri/0/i915_gem_pageflip when it
> hangs?

It is almost impossible to run any commands after freeze, even ssh connections
stop working. But I was able to check i915_gem_pageflip contents using a watch
command and continuously appending file contents to a temporary file.

Here is some part of the file I got:

No flip due on pipe A (plane A)
No flip due on pipe B (plane B)
No flip due on pipe A (plane A)
No flip due on pipe B (plane B)
No flip due on pipe A (plane A)
No flip due on pipe B (plane B)
Flip queued on pipe A (plane A)
Stall check enabled, 1 prepares
Old framebuffer gtt_offset 0x0087c000
New framebuffer gtt_offset 0x05c69000
No flip due on pipe B (plane B)
Flip queued on pipe A (plane A)
Stall check enabled, 1 prepares
Old framebuffer gtt_offset 0x0bc6d000
New framebuffer gtt_offset 0x0087c000
No flip due on pipe B (plane B)
No flip due on pipe A (plane A)
No flip due on pipe B (plane B)
No flip due on pipe A (plane A)
No flip due on pipe B (plane B)
No flip due on pipe A (plane A)
No flip due on pipe B (plane B)
No flip due on pipe A (plane A)
No flip due on pipe B (plane B)
No flip due on pipe A (plane A)
No flip due on pipe B (plane B)
No flip due on pipe A (plane A)
No flip due on pipe B (plane B)
No flip due on pipe A (plane A)
No flip due on pipe B (plane B)
No flip due on pipe A (plane A)
No flip due on pipe B (plane B)
Flip queued on pipe A (plane A)
Stall check enabled, 1 prepares
Old framebuffer gtt_offset 0x0087c000
New framebuffer gtt_offset 0x0bc6d000
No flip due on pipe B (plane B)
No flip due on pipe A (plane A)
No flip due on pipe B (plane B)

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