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 ...
Thanks.
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=b0c80b... https://cgit.freedesktop.org/~airlied/linux/commit/?h=drm-next&id=9305ee...
On Mon, Oct 24, 2016 at 04:46:30PM +0900, Michel Dänzer wrote:
Should be fixed in -rc2, specifically these commits:
https://cgit.freedesktop.org/~airlied/linux/commit/?h=drm-next&id=b0c80b... https://cgit.freedesktop.org/~airlied/linux/commit/?h=drm-next&id=9305ee...
Thanks but just tried rc2. Exactly the same splat :-(
-----Original Message----- From: Borislav Petkov [mailto:bp@alien8.de] Sent: Monday, October 24, 2016 4:19 AM To: Michel Dänzer Cc: Deucher, Alexander; Koenig, Christian; lkml; dri- devel@lists.freedesktop.org Subject: Re: radeon_connector_unregister NULL ptr deref
On Mon, Oct 24, 2016 at 04:46:30PM +0900, Michel Dänzer wrote:
Should be fixed in -rc2, specifically these commits:
next&id=b0c80bd5d2e317f7596fe2badc1a3379fb3211e5
next&id=9305ee6fe52035f63d70d023235b792ba22107f0
Thanks but just tried rc2. Exactly the same splat :-(
It was working in drm-next. It appears something regressed in the meantime. See kernel bug 178421.
Alex
-- Regards/Gruss, Boris.
ECO tip #101: Trim your mails when you reply.
On Mon, Oct 24, 2016 at 02:55:26PM +0000, Deucher, Alexander wrote:
It was working in drm-next. It appears something regressed in the meantime. See kernel bug 178421.
Thanks Alex, I've added myself to CC.
Ping me if you need me to test patches or need more debugging info.
dri-devel@lists.freedesktop.org
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Borislav Petkov -
Deucher, Alexander -
Michel Dänzer