* [Bug 11820] New: two mplayers using Xv make DMA queue hang
@ 2007-08-02 20:38 bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
[not found] ` <bug-11820-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
0 siblings, 1 reply; 3+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2007-08-02 20:38 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
http://bugs.freedesktop.org/show_bug.cgi?id=11820
Summary: two mplayers using Xv make DMA queue hang
Product: DRI
Version: DRI CVS
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: DRM modules
AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
ReportedBy: pq-X3B1VOXEql0@public.gmane.org
QAContact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org
Starting two mplayers showing video at the same time, both using Xv output,
makes eventually (withing about 15 minutes) the DMA queue hang.
First I bisected DDX and found the commit
e0e90f427581929fd01c96f1958a1292982dee83 "nouveau: rip out card init,
everything except modesetting." to be the first bad commit. Before this the
hang does not seem to happen. However, this and the previous commit both bumped
the patchlevel, so I started to bisect DRM.
Bisecting DRM found good and bad commits, all when using the forementioned DDX
commit. The first bad DRM commit is 5f05cd7086c54bccf1c2f0b003b78a08dc55472a
"nouveau: NV04/NV10/NV20 PGRAPH engtab functions". Commits before that work
fine.
The following is an excerpt from Xorg log:
(II) NOUVEAU(0): Fifo dump (lockup 0x004b,0x004b):
(II) NOUVEAU(0): [0x0037] 0x00230001
(II) NOUVEAU(0): [0x0038] 0x022002d0
(II) NOUVEAU(0): [0x0039] 0x00100000
(II) NOUVEAU(0): [0x003a] 0x00100000
(II) NOUVEAU(0): [0x003b] 0x00104400
(II) NOUVEAU(0): [0x003c] 0x022002d0
(II) NOUVEAU(0): [0x003d] 0x010105c0
(II) NOUVEAU(0): [0x003e] 0x0419b000
(II) NOUVEAU(0): [0x003f] 0x00000000
(II) NOUVEAU(0): [0x0040] 0x0004a2fc
(II) NOUVEAU(0): [0x0041] 0x00000003
(II) NOUVEAU(0): [0x0042] 0x00100300
(II) NOUVEAU(0): [0x0043] 0x0000000a
(II) NOUVEAU(0): [0x0044] 0x140007c0
(II) NOUVEAU(0): [0x0045] 0x00520700
(II) NOUVEAU(0): [0x0046] 0x00000000
(II) NOUVEAU(0): [0x0047] 0x000ca300
(II) NOUVEAU(0): [0x0048] 0x012d0104
(II) NOUVEAU(0): [0x0049] 0x03d20105
(II) NOUVEAU(0): [0x004a] 0x000f0006
(II) NOUVEAU(0): [0x004b] 0x00000005
(II) NOUVEAU(0): [0x004c] 0x00000003
(II) NOUVEAU(0): [0x004d] 0x000423fc
(II) NOUVEAU(0): [0x004e] 0x00000000
(II) NOUVEAU(0): [0x004f] 0x00184308
(II) NOUVEAU(0): [0x0050] 0x00230001
(II) NOUVEAU(0): [0x0051] 0x022002d0
(II) NOUVEAU(0): [0x0052] 0x00230001
(II) NOUVEAU(0): [0x0053] 0x022002d0
(II) NOUVEAU(0): [0x0054] 0x00100000
(II) NOUVEAU(0): End of fifo dump
Fatal server error:
DMA queue hang: dmaPut=4b, current=4b, status=1
This is NV28, running on a fully 64-bit Gentoo Linux.
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2007-08-02 20:38 [Bug 11820] New: two mplayers using Xv make DMA queue hang bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
[not found] ` <bug-11820-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
2007-08-03 17:05 ` [Bug 11820] " bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2007-08-11 9:37 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
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