Bug 90486

Summary: Lockups on GTX 680
Product: xorg Reporter: Tavian Barnes <tavianator>
Component: Driver/nouveauAssignee: Nouveau Project <nouveau>
Status: NEW --- QA Contact: Xorg Project Team <xorg-team>
Severity: normal    
Priority: medium    
Version: unspecified   
Hardware: x86-64 (AMD64)   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:
Attachments:
Description Flags
dmesg output none

Description Tavian Barnes 2015-05-16 20:53:45 UTC
Created attachment 115843 [details]
dmesg output

Since installing Plasma 5, I'm getting a lot of lockups even with compositing disabled.  As far as I can tell, the relevant part of dmesg is

[ 2043.225653] nouveau E[   PFIFO][0000:08:00.0] read fault at 0x0000490000 [PTE] from GR/S\
CC on channel 0x007edf8000 [kwin_x11[2256]]
[ 2043.225660] nouveau E[   PFIFO][0000:08:00.0] PGR engine fault on channel 12, recovering\
...
[ 2092.200410] nouveau E[   PFIFO][0000:08:00.0] PBDMA1: SIGNATURE
[ 2092.200416] nouveau E[   PFIFO][0000:08:00.0] PBDMA1: ch 13 [vlc[4136]] subc 0 mthd 0x00\
00 data 0x00000000
[ 2092.200430] nouveau E[   PFIFO][0000:08:00.0] PBDMA1: SIGNATURE
[ 2092.200433] nouveau E[   PFIFO][0000:08:00.0] PBDMA1: ch 13 [vlc[4136]] subc 0 mthd 0x00\
00 data 0x00000000
[ 2092.200446] nouveau E[   PFIFO][0000:08:00.0] PBDMA1: GPPTR PBENTRY SIGNATURE
[ 2092.200450] nouveau E[   PFIFO][0000:08:00.0] PBDMA1: ch 13 [vlc[4136]] subc 0 mthd 0x00\
00 data 0x00000000
[ 2092.200463] nouveau E[   PFIFO][0000:08:00.0] PBDMA1: GPPTR SIGNATURE
[ 2092.200465] nouveau E[   PFIFO][0000:08:00.0] PBDMA1: ch 13 [vlc[4136]] subc 0 mthd 0x00\
00 data 0x00000000
[ 2092.200478] nouveau E[   PFIFO][0000:08:00.0] PBDMA1: SIGNATURE
[ 2092.200481] nouveau E[   PFIFO][0000:08:00.0] PBDMA1: ch 13 [vlc[4136]] subc 0 mthd 0x00\
00 data 0x00000000
[ 2092.200494] nouveau E[   PFIFO][0000:08:00.0] PBDMA1: SIGNATURE
[ 2092.200496] nouveau E[   PFIFO][0000:08:00.0] PBDMA1: ch 13 [vlc[4136]] subc 0 mthd 0x00\
00 data 0x00000000
[ 2092.200511] nouveau E[   PFIFO][0000:08:00.0] read fault at 0x0000000000 [PDE] from UNK0\
a/HOST on channel 0x007ecf9000 [unknown]
[ 2092.200706] nouveau 0000:08:00.0: Direct firmware load for nouveau/nve4_fuc084 failed wi\
th error -2
[ 2092.200716] nouveau 0000:08:00.0: Direct firmware load for nouveau/nve4_fuc084d failed w\
ith error -2
[ 2092.200718] nouveau E[  PMSVLD][0000:08:00.0] unable to load firmware data
[ 2092.200719] nouveau E[  PMSVLD][0000:08:00.0] init failed, -2
[ 2107.210428] nouveau E[vlc[4136]] failed to idle channel 0xcccc0001 [vlc[4136]]
[ 2122.222450] nouveau E[vlc[4136]] failed to idle channel 0xcccc0001 [vlc[4136]]
[ 2152.018150] nouveau 0000:08:00.0: Direct firmware load for nouveau/nve4_fuc084 failed wi\
th error -2
[ 2152.018161] nouveau 0000:08:00.0: Direct firmware load for nouveau/nve4_fuc084d failed w\
ith error -2

In this case vlc triggered it, but often it's some other process like Xorg.bin.  Interestingly the machine was usable for a few minutes after this but then locked up.  The display froze and ssh would prompt for a password but hang before the shell started.  Rebooting with magic SysRq worked.

dmesg output attached.  Let me know what else I can do to collect debugging information.

Hardware is

# lspci | grep VGA
01:01.0 VGA compatible controller: ASPEED Technology, Inc. ASPEED Graphics Family (rev 10)
08:00.0 VGA compatible controller: NVIDIA Corporation GK104 [GeForce GTX 680] (rev a1)

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