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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 107863] Kernel panic when external monitors go blank
Date: Fri, 07 Sep 2018 22:34:33 +0000	[thread overview]
Message-ID: <bug-107863-502@http.bugs.freedesktop.org/> (raw)


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https://bugs.freedesktop.org/show_bug.cgi?id=107863

            Bug ID: 107863
           Summary: Kernel panic when external monitors go blank
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: bugs@i--b.com

Created attachment 141478
  --> https://bugs.freedesktop.org/attachment.cgi?id=141478&action=edit
kernel panic

This is a follow-up from bug
https://bugs.freedesktop.org/show_bug.cgi?id=105018. If I leave my laptop in
its dock (one HDMI and one DisplayPort) it has a high chance of kernel
panicking when DPMS turns the displays off. This affects my Dell Precision 7720
with a Radeon Pro WX 7100 on Archlinux, kernel 4.18.5. My boot parameters
include amdgpu.dc=1 (a redundant option nowadays, I know, I forgot to remove
this option). Suspend/resume work are fine, this happens only immediately after
idle blanking. As far as I can tell this does not occur when using only the
laptop screen but I could be wrong as I spend the majority of my time on the
dock.


I've attached a kernel log. For now I work around the issue by disabling dpms
entirely.

Thank you!

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             reply	other threads:[~2018-09-07 22:34 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-07 22:34 bugzilla-daemon [this message]
2018-09-07 22:36 ` [Bug 107863] Kernel panic when external monitors go blank bugzilla-daemon
2018-09-10 10:01 ` bugzilla-daemon
2019-11-19  8:54 ` bugzilla-daemon

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