> From: Dave Airlie [mailto:airlied@xxxxxxxxx] > Sent: Wednesday, September 18, 2013 7:40 PM > > On Thu, Sep 19, 2013 at 12:02 PM, Paul Zimmerman > <Paul.Zimmerman@xxxxxxxxxxxx> wrote: > > I have an ASUS P6X58D-Premium mobo with a GeForce 9400GT PCIe video card. > > With kernel 3.12-rc1, I get scrambled video on boot. Kernel 3.11 works > > fine. > > > > Bisecting this, I found 7c510133d93dd6f15ca040733ba7b2891ed61fd1 "drm: > > mark context support as a legacy subsystem" is the guilty commit. If I > > revert that commit, the video works fine. > > > > Is there any more info I can provide? > > Full dmesg, and what driver you are using. Driver is nouveau. The dmesg from a good boot with the commit reverted is attached. For the bad boot, the dmesg log is filled with messages like this: [ 15.871667] nouveau E[ PFB][0000:03:00.0] trapped write at 0x01010010a0 on channel 0x0001fed0 [unknown] BAR/PFIFO_WRITE/IN reason: PAGE_NOT_PRESENT [ 15.871698] nouveau E[ PFB][0000:03:00.0] trapped write at 0x010100b2e0 on channel 0x0001fed0 [unknown] BAR/PFIFO_WRITE/IN reason: PAGE_NOT_PRESENT [ 15.871781] nouveau E[ PFB][0000:03:00.0] trapped write at 0x0101011600 on channel 0x0001fed0 [unknown] BAR/PFIFO_WRITE/IN reason: PAGE_NOT_PRESENT I will try next with the patch series you sent to Linus yesterday, to see if that happens to fix this. -- Paul
Attachment:
dmesg-good.log
Description: dmesg-good.log
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