[Nouveau] [Bug 89912] Sometimes Nouveau hangs kernel with PGRAPH engine fault

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89912

--- Comment #4 from Thiago <thiago.igarashi at gmail.com> ---
Same problem here!!
Im using kernel 4.0.2-1-amd64 on Debian 


01:00.0 VGA compatible controller: NVIDIA Corporation GK106 [GeForce GTX 650
Ti] (rev a1)

/var/log/syslog

kernel: [47450.816837] nouveau E[chromium[1738]] fail set_domain
kernel: [47450.816843] nouveau E[chromium[1738]] validating bo list
kernel: [47450.816846] nouveau E[chromium[1738]] validate: -22
kernel: [47450.817278] nouveau E[chromium[1738]] fail set_domain
kernel: [47450.817281] nouveau E[chromium[1738]] validating bo list
kernel: [47450.817283] nouveau E[chromium[1738]] validate: -22
kernel: [47450.817389] nouveau E[chromium[1738]] fail set_domain
kernel: [47450.817390] nouveau E[chromium[1738]] validating bo list
kernel: [47450.817393] nouveau E[chromium[1738]] validate: -22
kernel: [47450.818377] nouveau E[chromium[1738]] fail set_domain
kernel: [47450.818380] nouveau E[chromium[1738]] validating bo list
kernel: [47450.818384] nouveau E[chromium[1738]] validate: -22
kernel: [47450.825570] nouveau E[   PFIFO][0000:01:00.0] read fault at
0x000c580000 [PTE] from GR/GPC0/PROP_0 on channel 0x003f7cf000 [chromium[1738]]
kernel: [47450.825576] nouveau E[   PFIFO][0000:01:00.0] PGRAPH engine fault on
channel 6, recovering...

system freezes but mouse still working and clementine still playing.

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