On Mon, Oct 31, 2016 at 04:21:55PM +0000, Deucher, Alexander wrote: > > -----Original Message----- > > From: Larry Finger [mailto:[email protected]] On Behalf Of Larry Finger > > Sent: Monday, October 31, 2016 12:41 AM > > To: Linus Torvalds > > Cc: [email protected]; [email protected]; Larry > > Finger; Deucher, Alexander > > Subject: [PATCH] drm/radeon: Fix kernel panic on shutdown > > > > Since commit a481daa88fd4 ("drm/radeon: always apply pci shutdown > > callbacks"), a Dell Latitude D600 laptop has crashed on shutdown. The > > PCI Identification of the graphics adapter is "VGA compatible controller > > [0300]: Advanced Micro Devices, Inc. [AMD/ATI] RV250/M9 GL [Mobility > > FireGL 9000/Radeon 9000] [1002:4c66] (rev 01)". > > > > Prior to commit b0c80bd5d2e3 ("drm/radeon: fix up dp aux tear down (v2)"), > > I have no idea where the panic happened as the screen was blanked before > > the crash. Since that more recent change, the panic has been in routine > > radeon_connector_unregister(), and has been shown to be due to a NULL > > value in the ddc_bus member of struct drm_connector. > > > > Fixes: a481daa88fd4 ("drm/radeon: always apply pci shutdown callbacks") > > Signed-off-by: Larry Finger <[email protected]> > > Cc: Alex Deucher <[email protected]> > > Applied. Thanks!
Reported-and-tested-by: Borislav Petkov <[email protected]> -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply.

