[Nouveau] [Bug 76475] New: Nouveau fails to load due to unknown opcode 0x80

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76475

          Priority: medium
            Bug ID: 76475
          Assignee: nouveau at lists.freedesktop.org
           Summary: Nouveau fails to load due to unknown opcode 0x80
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: patrick.clara at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

Created attachment 96195
  --> https://bugs.freedesktop.org/attachment.cgi?id=96195&action=edit
vbios from /sys/bus/pci/devices/<pciid>/rom

Since kernel 3.13 nouveau fails to load with error -22.
Olso it reports an unknown opcode 0x80.
I suspect it fails to load becouse of the unknown opcode, since i have seen the
return code of the function checking the opcodes have changed in 3.13.

I have attached the vbios taken from /sys/bus/pci/devices/<pciid>/rom and the
dmesg from both kernel 3.12 and 3.14 rc7.

Could maybe a mmiotrace be helpful?

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