** Changed in: nouveau
Status: Confirmed = Fix Released
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Title:
[GTX 580] X seems to hang a login prompt -- PFIFO errors in dmesg
To
** Bug watch added: freedesktop.org Bugzilla #54437
https://bugs.freedesktop.org/show_bug.cgi?id=54437
** Changed in: nouveau
Importance: High = Unknown
** Changed in: nouveau
Status: Invalid = Unknown
** Changed in: nouveau
Remote watch: freedesktop.org Bugzilla #45517 =
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** Changed in: nouveau
Status: Confirmed = Invalid
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Title:
[GTX 580] X seems to hang a login prompt -- PFIFO errors in dmesg
To manage
I have the same problem but it occurs only rarely, may be once or twice
from 100 log in. The only way to get out of it is a cold restart and
eventually again two, three times. I have discovered it on two different
machines, both are running on the GNOME 3 classic desktop. The problem
was not
I don't know if it's of any importance, but I thought I should mention
that this still happens to me with an Nvidia GeForce GTX 580. I tried a
while ago to boot up the (then) new Gnome 3 release Live CD, and it just
froze immediately after automatically logging in and displaying the
desktop. The
Not sure yet how to fix it, but can be worked around by adding
nouveau.noaccel=1 to command line.
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Title:
[GTX 580] X seems to hang a login
Does the problem go away if you boot with the kernel from older ubuntu?
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Title:
[GTX 580] X seems to hang a login prompt -- PFIFO errors in dmesg
** Summary changed:
- [nouveau] X seems to hang a login prompt -- PFIFO errors in dmesg
+ [GTX 580] X seems to hang a login prompt -- PFIFO errors in dmesg
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Hitting nvc0_fifo_isr_vm_fault() at
linux-3.2.0/drivers/gpu/drm/nouveau/nvc0_fifo.c:424 Only place in
nouveau this gets called is from nvc0_fifo_isr(). The PFIFO: unknown
status 0x4000 message also comes from nvc0_fifo_isr(). Neither
appear to be terminating faults. Unlikely to be good
The nvc0_fifo_isr() routine is essentially called from a signal handler
so it's not possible for me to trace back in the kernel what triggers it
to get called. I've reviewed recent git changes in drm/nouveau; nothing
jumps out to me but I'm not a nouveau guru. I don't think testing an
older
Andy, I've forwarded this bug upstream to
https://bugs.freedesktop.org/show_bug.cgi?id=45517 - please subscribe to
the bug.
** Bug watch added: freedesktop.org Bugzilla #45517
https://bugs.freedesktop.org/show_bug.cgi?id=45517
** Also affects: nouveau via
Testing of drm-next might be worthwhile. I didn't see anything in the
upstream kernel tree's drm that leapt out at me as worth testing.
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