[Bug 76475] New: Nouveau fails to load due to unknown opcode 0x80 - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 76475] New: Nouveau fails to load due to unknown opcode 0x80
Date: Sat, 22 Mar 2014 09:19:47 +0000	[thread overview]
Message-ID: <bug-76475-8800@http.bugs.freedesktop.org/> (raw)

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

          Priority: medium
            Bug ID: 76475
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
           Summary: Nouveau fails to load due to unknown opcode 0x80
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: patrick.clara-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
          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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