linux-kernel - Re: 4.2-rc7: mutex-related crash on boot (radeon?)

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Message-ID: <CAPM=9twTvJ40O48aJcs8m9XVG_SDE1QDBJVc7KRV6c+eGQaEwg@mail.gmail.com>
Date:	Thu, 20 Aug 2015 10:15:54 +1000
From:	Dave Airlie <airlied@...il.com>
To:	Meelis Roos <mroos@...ux.ee>
Cc:	Linux Kernel list <linux-kernel@...r.kernel.org>,
	dri-devel <dri-devel@...ts.freedesktop.org>,
	David Airlie <airlied@...ux.ie>,
	Christian König <christian.koenig@....com>,
	Alex Deucher <alexander.deucher@....com>
Subject: Re: 4.2-rc7: mutex-related crash on boot (radeon?)

On 19 August 2015 at 00:28, Meelis Roos <mroos@...ux.ee> wrote:
> Hi, I tried 4.2-rc7 and todays 4.2-rc7+git on a P4 PC with Intel 850
> chipset and old Radeon graphics. The machine crashes during boot and
> starts spamming dmesg as fast as it scrolls. Netconsole caught the
> dmesg. 4.1.0 worked fine.
>
> The first crash seems to be related to radeon_hotplug_work_func during
> radeon initialization.

Looks like a race at startup, I've sent a fix to dri-devel that should work.

Dave.
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