linux-kernel - Re: [REGRESSION v4.7] i915 / drm crash when undocking from DP monitors

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Message-ID: <CAGcQOsn6MMPQ9_zEbz_ixN2p-WgXTmkOZ4q82wweW=+aWLUWNg@mail.gmail.com>
Date:   Tue, 11 Oct 2016 19:47:37 -0700
From:   Vadim Lobanov <vadimplobanov@...il.com>
To:     Jani Nikula <jani.nikula@...ux.intel.com>
Cc:     dri-devel@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [REGRESSION v4.7] i915 / drm crash when undocking from DP monitors

Certainly, done and done. The bug is filed at:
https://bugs.freedesktop.org/show_bug.cgi?id=98211

Thanks!

On Tue, Oct 11, 2016 at 6:55 AM, Jani Nikula
<jani.nikula@...ux.intel.com> wrote:
> On Sat, 08 Oct 2016, Vadim Lobanov <vadimplobanov@...il.com> wrote:
>> I'm seeing a repeatable crash on my HP EliteBook 840 G2/2216 when
>> booting it while in a docking station connected to two external
>> DisplayPort monitors, undocking, and then either logging out or
>> shutting down -- regardless of whether I've redocked it beforehand or
>> not. Both logout and shutdown work great if I do not undock the laptop
>> at all, so the badness correlates with the DP monitors going away.
>
> Please file a bug at [1] with the info in this mail, add drm.debug=14
> module parameter, and attach dmesg from boot to the problem into the
> bug.
>
> BR,
> Jani.
>
> [1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel
>
> --
> Jani Nikula, Intel Open Source Technology Center