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From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 84431] Kernel crash when unloading radeon module for switcheroo card
Date: Fri, 15 Jul 2016 13:27:21 +0000	[thread overview]
Message-ID: <bug-84431-2300-wMmj8FQ7hS@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-84431-2300@https.bugzilla.kernel.org/>

https://bugzilla.kernel.org/show_bug.cgi?id=84431

Peter Wu <peter@lekensteyn.nl> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |peter@lekensteyn.nl

--- Comment #9 from Peter Wu <peter@lekensteyn.nl> ---
(In reply to Pali Rohár from comment #7)
> Function vga_switcheroo_init_domain_pm_optimus_hdmi_audio() is used in
> sound/pci/hda/hda_intel.c. So that driver has same problem and cause kernel
> panic on driver unload.

A patch for this issue is queued at
http://mailman.alsa-project.org/pipermail/alsa-devel/2016-July/110125.html

Joaquín, how does 97d30fa35 break nouveau vga-switcheroo? If you load nouveau
with runpm=0, then you can write OFF to debugfs' vga_switcheroo. However
runpm=1 (or -1 for Optimus systems) is recommended.

I think that the original bug is fixed, so this can be marked as resolved?

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  parent reply	other threads:[~2016-07-15 13:27 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-12 20:39 [Bug 84431] New: Kernel crash when unloading radeon module for switcheroo card bugzilla-daemon
2014-09-12 20:41 ` [Bug 84431] " bugzilla-daemon
2014-09-12 21:38 ` bugzilla-daemon
2014-09-12 21:44 ` bugzilla-daemon
2014-09-12 22:08 ` bugzilla-daemon
2014-09-12 22:09 ` bugzilla-daemon
2014-09-12 22:09 ` bugzilla-daemon
2014-09-12 23:01 ` bugzilla-daemon
2014-09-21 10:15 ` bugzilla-daemon
2014-11-26 22:56 ` bugzilla-daemon
2016-07-15 13:27 ` bugzilla-daemon [this message]
2016-08-05 19:18 ` bugzilla-daemon

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