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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Sometimes Nouveau hangs kernel with PGRAPH engine fault"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89912">89912</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Sometimes Nouveau hangs kernel with PGRAPH engine fault
</td>
</tr>
<tr>
<th>Product</th>
<td>xorg
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>Driver/nouveau
</td>
</tr>
<tr>
<th>Assignee</th>
<td>nouveau@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>davispuh@gmail.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>xorg-team@lists.x.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=114883" name="attach_114883" title="Loaded kernel modules">attachment 114883</a> <a href="attachment.cgi?id=114883&action=edit" title="Loaded kernel modules">[details]</a></span>
Loaded kernel modules
With Nvidia GTX 650 Ti on Arch Linux using kernel 3.19.2 and xf86-video-nouveau
1.0.11-3 sometimes random hangs happen which locks up whole kernel. Screen
stays frozen and mouse cursor can be moved, but nothing else, even numlock
doesn't respond.
>From kernel log, last messages
kernel: nouveau E[ PGRAPH][0000:01:00.0] TRAP ch 8 [0x003f61d000
kwin_x11[697]]
kernel: nouveau E[ PGRAPH][0000:01:00.0] GPC2/TPC0/MP trap:
MULTIPLE_WARP_ERRORS
kernel: nouveau E[ PFIFO][0000:01:00.0] read fault at 0x867e84f000 [PDE] from
GR/GPC2/RAST on channel 0x003f61d000 [kwin_x11[697]]
kernel: nouveau E[ PFIFO][0000:01:00.0] PGRAPH engine fault on channel 8,
recovering...
kernel: nouveau E[ PGRAPH][0000:01:00.0] TRAP ch 8 [0x003f61d000
kwin_x11[697]]
kernel: nouveau E[ PGRAPH][0000:01:00.0] GPC2/TPC0/MP trap:
kernel: nouveau E[ PGRAPH][0000:01:00.0] TRAP ch 8 [0x003f61d000
kwin_x11[697]]
kernel: nouveau E[ PGRAPH][0000:01:00.0] ROP0 0xbadf1200 0xbadf1200
kernel: nouveau E[ PGRAPH][0000:01:00.0] ROP1 0xbadf1200 0xbadf1200
kernel: nouveau E[ PGRAPH][0000:01:00.0] TRAP UNHANDLED 0xb8df1200
kernel: nouveau E[ PBUS][0000:01:00.0] MMIO read of 0x00000000 FAULT at
0x400108 [ IBUS ]
from some other times
---
kernel: nouveau E[ PFIFO][0000:01:00.0] write fault at 0x00002af000 [PTE]
from GR/GPC1/PROP_0 on channel 0x003fa28000 [Xorg[476]]
kernel: nouveau E[ PFIFO][0000:01:00.0] PGRAPH engine fault on channel 2,
recovering...
---
kernel: nouveau E[ PFIFO][0000:01:00.0] write fault at 0x00002aa000 [PTE]
from GR/GPC1/PROP_0 on channel 0x003fa28000 [Xorg[459]]
kernel: nouveau E[ PFIFO][0000:01:00.0] PGRAPH engine fault on channel 2,
recovering...
---
kernel: nouveau E[ PFIFO][0000:01:00.0] write fault at 0x00002a0000 [PTE]
from GR/GPC0/PROP_0 on channel 0x003fa28000 [Xorg[496]]
kernel: nouveau E[ PFIFO][0000:01:00.0] PGRAPH engine fault on channel 2,
recovering...
---
kernel: fb: switching to nouveaufb from EFI VGA
kernel: nouveau [ DEVICE][0000:01:00.0] BOOT0 : 0x0e6060a1
kernel: nouveau [ DEVICE][0000:01:00.0] Chipset: GK106 (NVE6)
kernel: nouveau [ DEVICE][0000:01:00.0] Family : NVE0
kernel: nouveau [ VBIOS][0000:01:00.0] using image from PROM
kernel: nouveau [ VBIOS][0000:01:00.0] BIT signature found
kernel: nouveau [ VBIOS][0000:01:00.0] version 80.06.21.00.37
kernel: nouveau [ PMC][0000:01:00.0] MSI interrupts enabled
kernel: nouveau [ PFB][0000:01:00.0] RAM type: GDDR5
kernel: nouveau [ PFB][0000:01:00.0] RAM size: 1024 MiB
kernel: nouveau [ PFB][0000:01:00.0] ZCOMP: 0 tags
kernel: nouveau [ VOLT][0000:01:00.0] GPU voltage: 887500uv
kernel: nouveau [ PTHERM][0000:01:00.0] FAN control: PWM
kernel: nouveau [ PTHERM][0000:01:00.0] fan management: automatic
kernel: nouveau [ PTHERM][0000:01:00.0] internal sensor: yes
kernel: nouveau [ CLK][0000:01:00.0] 07: core 324 MHz memory 648 MHz
kernel: nouveau [ CLK][0000:01:00.0] 0a: core 549 MHz memory 1620 MHz
kernel: nouveau [ CLK][0000:01:00.0] 0f: core 928-954 MHz memory 5400 MHz
kernel: nouveau [ CLK][0000:01:00.0] --: core 324 MHz memory 648 MHz
kernel: nouveau [ DRM] VRAM: 1024 MiB
kernel: nouveau [ DRM] GART: 1048576 MiB
kernel: nouveau [ DRM] TMDS table version 2.0
kernel: nouveau [ DRM] DCB version 4.0
kernel: nouveau [ DRM] DCB outp 00: 01000f02 00020030
kernel: nouveau [ DRM] DCB outp 01: 02000f00 00020030
kernel: nouveau [ DRM] DCB outp 02: 08011f82 0f420030
kernel: nouveau [ DRM] DCB outp 03: 02022f62 0f420010
kernel: nouveau [ DRM] DCB conn 00: 00001030
kernel: nouveau [ DRM] DCB conn 01: 00002131
kernel: nouveau [ DRM] DCB conn 02: 00010263
kernel: nouveau [ DRM] MM: using COPY for buffer copies
kernel: nouveau [ DRM] allocated 2560x1536 fb: 0x60000, bo
ffff88022316a400
kernel: fbcon: nouveaufb (fb0) is primary device
kernel: nouveau 0000:01:00.0: fb0: nouveaufb frame buffer device
kernel: nouveau 0000:01:00.0: registered panic notifier
kernel: [drm] Initialized nouveau 1.2.1 20120801 for 0000:01:00.0 on minor 0
kernel: nouveau E[ PFIFO][0000:01:00.0] write fault at 0x00002a2000 [PTE]
from GR/GPC1/PROP_0 on channel 0x003fa28000 [Xorg[512]]
kernel: nouveau E[ PFIFO][0000:01:00.0] PGRAPH engine fault on channel 2,
recovering...</pre>
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