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

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Message-ID: <20161227211329.GA8195@amd>
Date:   Tue, 27 Dec 2016 22:13:29 +0100
From:   Pavel Machek <pavel@....cz>
To:     Sedat Dilek <sedat.dilek@...il.com>
Cc:     "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Thomas Gleixner <tglx@...utronix.de>,
        intel-gfx <intel-gfx@...ts.freedesktop.org>,
        Linux PM List <linux-pm@...ts.linux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        the arch/x86 maintainers <x86@...nel.org>
Subject: Re: [Linux v4.10.0-rc1] call-traces after suspend-resume (pm? i915?
 cpu/hotplug?)

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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