[Nouveau] [Bug 68854] New: [NV04] PROTECTION_ERROR / PROTECTION_FAULT

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68854

          Priority: medium
            Bug ID: 68854
          Assignee: nouveau at lists.freedesktop.org
           Summary: [NV04] PROTECTION_ERROR / PROTECTION_FAULT
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: mauromol at tiscali.it
          Hardware: x86 (IA32)
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
        Depends on: 68835
           Product: xorg

+++ This bug was initially created as a clone of Bug #68835 +++

Running Fedora 19 with a live USB on an old system with Creative Labs Graphics
Blaster Riva TNT:

Linux localhost 3.9.5-301.fc19.i686 #1 SMP Tue Jun 11 20:01:50 UTC 2013 i686
i686 i386 GNU/Linux

If I run dmesg I see some errors like:

[   99.820645] nouveau E[  PGRAPH][0000:01:00.0]  NOTIFY nsource:
PROTECTION_ERROR nstatus: PROTECTION_FAULT
[   99.820677] nouveau E[  PGRAPH][0000:01:00.0] ch 1 [X[666]] subc 2 class
0x0042 mthd 0x0180 data 0x00003a04
[   99.820697] nouveau E[  PGRAPH][0000:01:00.0]  NOTIFY nsource:
PROTECTION_ERROR nstatus: PROTECTION_FAULT
[   99.820714] nouveau E[  PGRAPH][0000:01:00.0] ch 1 [X[666]] subc 6 class
0x0044 mthd 0x0180 data 0x00003a04
[   99.820732] nouveau E[  PGRAPH][0000:01:00.0]  NOTIFY nsource:
PROTECTION_ERROR nstatus: PROTECTION_FAULT
[   99.820749] nouveau E[  PGRAPH][0000:01:00.0] ch 1 [X[666]] subc 6 class
0x0043 mthd 0x0180 data 0x00003a04
[   99.821101] nouveau E[  PGRAPH][0000:01:00.0]  NOTIFY nsource:
PROTECTION_ERROR nstatus: PROTECTION_FAULT
[   99.821121] nouveau E[  PGRAPH][0000:01:00.0] ch 1 [X[666]] subc 6 class
0x0019 mthd 0x0180 data 0x00003a04

or:

[ 1226.534609] nouveau E[  PGRAPH][0000:01:00.0]  NOTIFY nsource:
PROTECTION_ERROR nstatus: PROTECTION_FAULT
[ 1226.534644] nouveau E[  PGRAPH][0000:01:00.0] ch 1 [X[2044]] subc 2 class
0x0042 mthd 0x0180 data 0x00003a04
[ 1226.534664] nouveau E[  PGRAPH][0000:01:00.0]  NOTIFY nsource:
PROTECTION_ERROR nstatus: PROTECTION_FAULT
[ 1226.534680] nouveau E[  PGRAPH][0000:01:00.0] ch 1 [X[2044]] subc 6 class
0x0044 mthd 0x0180 data 0x00003a04
[ 1226.534699] nouveau E[  PGRAPH][0000:01:00.0]  NOTIFY nsource:
PROTECTION_ERROR nstatus: PROTECTION_FAULT
[ 1226.534716] nouveau E[  PGRAPH][0000:01:00.0] ch 1 [X[2044]] subc 6 class
0x0043 mthd 0x0180 data 0x00003a04
[ 1226.535080] nouveau E[  PGRAPH][0000:01:00.0]  NOTIFY nsource:
PROTECTION_ERROR nstatus: PROTECTION_FAULT
[ 1226.535099] nouveau E[  PGRAPH][0000:01:00.0] ch 1 [X[2044]] subc 6 class
0x0019 mthd 0x0180 data 0x00003a04

The first lines appear at boot. The second ones after a wakeup from S3.
However, other wakeup events (from S3 or S4) didn't show the same error. Please
see my dmesg.txt attached to bug #68835 for the full output.

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