[Nouveau] [Bug 69928] New: [NVAA] Boot of linux kernel 3.12-rc2 hangs

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=69928

          Priority: medium
            Bug ID: 69928
          Assignee: nouveau at lists.freedesktop.org
           Summary: [NVAA] Boot of linux kernel 3.12-rc2 hangs
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: dirkneukirchen at web.de
          Hardware: x86 (IA32)
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

Created attachment 86798
  --> https://bugs.freedesktop.org/attachment.cgi?id=86798&action=edit
3.12-rc2 fails to boot with NVAA

Steps to reproduce:
- Compiling Kernel 3.12-rc2 
- boot
- boot hangs at black screen/no signal

System:
- NVAA onboard (Jetway JNC62K)
- Linux Mint 15 (Ubuntu 13.04)

No error with 3.11.0 Kernel.

I compiled kernel 3.12-rc2 once as a dpkg and once with vanilla methods (make
install). Both same behaviour.

Attached are a netconsole log of 3.12-rc2 and a dmesg of a "working" 3.11.0


Example error message of 3.12-rc2:
[   22.081905] nouveau E[     PFB][0000:02:00.0] trapped write at 0x01002b75b4
on channel 0x00007ee0 [unknown] BAR/PFIFO_WRITE/IN reason: PAGE_NOT_PRESENT

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