Re: [Linux v4.10.0-rc1] call-traces after suspend-resume (pm? i915? cpu/hotplug?)

From: Pavel Machek
Date: Tue Dec 27 2016 - 16:14:01 EST


Hi!

> [ Add some pm | i915 | x86 folks ]
>
> Hi,
>
> I have built Linux v4.10-rc1 today on my Ubuntu/precise AMD64 system
> and I see some call-traces.
> It is reproducible on suspend and resume.
>
> I cannot say which area touches the problem or if these are several
> independent problems.
>
> For a full dmesg-log see attachments (my linux-config is attached, too).
>
> Here some hunks...
>
> [ 29.003601] BUG: sleeping function called from invalid context at
> drivers/base/power/runtime.c:1032
> [ 29.003608] in_atomic(): 1, irqs_disabled(): 0, pid: 1469, name: Xorg
> [ 29.003610] 1 lock held by Xorg/1469:
> [ 29.003611] #0: (&dev->struct_mutex){+.+.+.}, at:
> [<ffffffffa0623c13>] i915_mutex_lock_interruptible+0x43/0x140 [i915]
> [ 29.003653] CPU: 0 PID: 1469 Comm: Xorg Not tainted
> 4.10.0-rc1-1-iniza-small #1
> [ 29.003655] Hardware name: SAMSUNG ELECTRONICS CO., LTD.
> 530U3BI/530U4BI/530U4BH/530U3BI/530U4BI/530U4BH, BIOS 13XK 03/28/2013
> [ 29.003656] Call Trace:

Just a note, at least 2 machines here refuse to resume with
v4.10-rc1. One has intel graphics, one has AMD. It may or may not have
common cause...

Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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