From: Benjamin Tissoires <benjamin.tissoires@gmail.com>
To: Jonas Jelten <jelten@in.tum.de>, Jiri Kosina <jkosina@suse.cz>
Cc: linux-input <linux-input@vger.kernel.org>
Subject: Re: HID: wacom: regression - system freezes when resuming from S3 suspend
Date: Mon, 22 Sep 2014 11:52:12 -0400 [thread overview]
Message-ID: <CAN+gG=EfKHqo2++ejxJMqDxpOnav5qiVRJMRjXoDOrbWQVMnBQ@mail.gmail.com> (raw)
In-Reply-To: <542039C1.1000605@in.tum.de>
On Mon, Sep 22, 2014 at 11:01 AM, Jonas Jelten <jelten@in.tum.de> wrote:
> Hi!
>
> I encountered that my system freezes when resuming my Lenovo X220t with
> integrated Wacom ISDv4 tablet from S3 suspend.
>
> Currently running 3.17.0-rc6, I started to bisect and found that this
> commit causes the issue:
>
> commit 29b4739134c73a2873adec93346f09bb76d6a794
> Author: Benjamin Tissoires <benjamin.tissoires@redhat.com>
> Date: Thu Jul 24 12:52:23 2014 -0700
>
> Input: wacom - switch from an USB driver to a HID driver
>
>
> Running 3.17.0-rc6, right after boot, this shows up in the log:
>
> [ 25.843484] wacom 0003:056A:00E6.0001: usb_submit_urb(ctrl) failed: -1
> [ 25.843531] wacom 0003:056A:00E6.0001: timeout initializing reports
> [ 25.843886] wacom 0003:056A:00E6.0001: hidraw0: USB HID v1.11 Device
> [Tablet ISD-V4] on usb-0000:00:1d.0-1.5/input0
> [ 25.846036] input: Wacom ISDv4 E6 Finger as
> /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.5/2-1.5:1.1/0003:056A:00E6.0002/input/input18
>
> When suspending, the screen goes off and about 8 seconds later, the
> machine actually suspends.
>
> Right after the (instant) resume, I can see the frame buffer I had when
> suspending (X screen) for about 10 seconds. During that time, no sysrq
> works. After this short period, the tty1-framebuffer appears, with
> messed up linebreaks (no carriage returns occur any more), and the
> capslock-led starts blinking. Sysrq keys still don't work. The system is
> completely frozen.
>
> Running the kernel from the bisected first good commit, the suspend is
> faster (under 1 second) and the resume does not crash.
>
> I just saw the "HID: wacom: fix timeout on probe for some wacoms" mail,
> which probably has to do something with my problem.
>
> Any ideas?
Yes, this commit will fix your problem. It has just been delayed for
3.17.1 as mentioned by Jiri today.
Cheers,
Benjamin
next prev parent reply other threads:[~2014-09-22 15:52 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-22 15:01 HID: wacom: regression - system freezes when resuming from S3 suspend Jonas Jelten
2014-09-22 15:52 ` Benjamin Tissoires [this message]
2014-09-24 1:31 ` Jonas Jelten
2014-09-24 8:34 ` Jiri Kosina
2014-09-24 19:27 ` Benjamin Tissoires
2014-09-25 0:20 ` Jonas Jelten
2014-09-25 0:24 ` Jiri Kosina
2014-10-10 1:27 ` Jonas Jelten
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