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SubjectRe: Reboot problem with nouveau - bisected
From
On Thu, Apr 18, 2013 at 2:14 PM, Marc Dionne <marc.c.dionne@gmail.com> wrote:
> My machine has been getting stuck when rebooting during the current
> 3.9 cycle, and yesterday I took the time to bisect the problem to this
> commit:
>
> 32256c87ead3edec86bed5023a0ff96a6d907931: drm/nouveau/fifo/nvc0:
> improve interrupt handler somewhat
>
> Logs extra info for interrupts that have a sub-status register, and
> handles the "special" ack from INTR bit 31.
>
> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
>
> The symptom when rebooting is that the console starts spitting out a
> continuous stream of identical messages like this (transcribed by
> hand):
>
> nouveau W[ PFIFO][0000:03:00.0] INTR 0x01000000: 0x00000005
>
> The system is then unresponsive until it is reset. Just commenting
> out the corresponding nv_warn() in
> drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c is enough to allow the
> system to reboot normally.
>
> Video card in this system is (from lspci -v):
>
> 03:00.0 VGA compatible controller: NVIDIA Corporation GF119 [GeForce
> GT 520] (rev a1) (prog-if 00 [VGA controller])
> Subsystem: Micro-Star International Co., Ltd. Device 2630
> Flags: bus master, fast devsel, latency 0, IRQ 16
> Memory at fa000000 (32-bit, non-prefetchable) [size=16M]
> Memory at d8000000 (64-bit, prefetchable) [size=128M]
> Memory at d6000000 (64-bit, prefetchable) [size=32M]
> I/O ports at bc00 [size=128]
> Expansion ROM at fbb80000 [disabled] [size=512K]
> Capabilities: <access denied>
> Kernel driver in use: nouveau
>
> Marc

Ping..

Any ideas on this one? This machine still needs a hard reset to
reboot as of 3.10-rc3, with the same symptoms as described above.

Thanks,
Marc


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