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SubjectRe: Lenovo resume from suspends hangs in i915_gpu_busy or so
On Fr, 01 Apr 2011, Jesse Barnes wrote:
> > Copyied from screen:
> > Process ips-adjust (....
> > Stack:
> > ....
> > ....
> > ...
> > Call Trace:
> > <IRQ>
> > ... ? tick_program_event
> > call_sortirq
> > do_softirq
> > irq_exit
> > smp_apic_timer_interrupt
> > apic_timer_interrupt
> > <EOI>
> > ? _raw_spin_lock
> > i915_gpu_busy
> > ips_adjust
> > ? show_cpu_temp
> > kthread
> > kernel_thread_helper
> > ? kthread_worker_fn
> > ? gs_change
> > Code: ...
> > (once more more or less the same as above)
>
> Hm, ok so on resume we're checking GPU busyness, which is normal, but
> end up hanging on the spinlock? Do you see what scrolls by above the
> text you took a picture of (probably a "task hung" message?).

More than what I can see on the screen shot I cannot grasp.

> Does this happen reliably? Does a previous kernel work ok?

Reliable: yes
Previous: I don't know, but I can try out some older git release.
which one do you suggest?
(I got the laptop recently so I don't have a long history with that one)

Best wishes

Norbert
------------------------------------------------------------------------
Norbert Preining preining@{jaist.ac.jp, logic.at, debian.org}
JAIST, Japan TeX Live & Debian Developer
DSA: 0x09C5B094 fp: 14DF 2E6C 0307 BE6D AD76 A9C0 D2BF 4AA3 09C5 B094
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