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From: "Michel Dänzer" <michel@daenzer.net>
To: "Borislav Petkov" <bp@alien8.de>,
	"Alex Deucher" <alexander.deucher@amd.com>,
	"Christian König" <christian.koenig@amd.com>
Cc: lkml <linux-kernel@vger.kernel.org>,
	"dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>
Subject: Re: radeon_connector_unregister NULL ptr deref
Date: Mon, 24 Oct 2016 16:46:30 +0900	[thread overview]
Message-ID: <390d15df-04d4-3c5a-a69a-b5f552b72d90@daenzer.net> (raw)
In-Reply-To: <20161024073402.3kz7h376vk7hwvvn@pd.tnic>

On 24/10/16 04:34 PM, Borislav Petkov wrote:
> Hi guys,
> 
> I'm getting a NULL ptr deref splat when hibernating my box with
> 4.9-rc1+. All I got so far is an ugly camera shot from the splat which
> I'm typing in by hand.
> 
> Any ideas or already a fix?
> 
> The callstack looks like this:
> 
> unable to handle kernel NULL pointer dereference at 00...0890 (I think it is 890)
> IP: radeon_connector_unregister+0xc/0x40
> ...
> 
> ? drm_connector_unregister.part
> drm_connector_unregister_all
> drm_modeset_unregister_all
> drm_dev_unregister
> drm_put_dev
> radeon_pci_shutdown
> pci_device_shutdown
> device_shutdown
> kernel_power_off
> power_down
> hibernate
> ...

Should be fixed in -rc2, specifically these commits:

https://cgit.freedesktop.org/~airlied/linux/commit/?h=drm-next&id=b0c80bd5d2e317f7596fe2badc1a3379fb3211e5
https://cgit.freedesktop.org/~airlied/linux/commit/?h=drm-next&id=9305ee6fe52035f63d70d023235b792ba22107f0


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer

  reply	other threads:[~2016-10-24  7:52 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-24  7:34 Borislav Petkov
2016-10-24  7:46 ` Michel Dänzer [this message]
2016-10-24  8:19   ` Borislav Petkov
2016-10-24 14:55     ` Deucher, Alexander
2016-10-24 15:58       ` Borislav Petkov

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