[Nouveau] NOUVEAU_LEGACY_CTX_SUPPORT Fan Speed

[Ilia Mirkin]

Hi Mar,

Could you file a bug (bugs.freedesktop.org under xorg -> Driver/nouveau)
with a summary of this info (i.e. a problem statement, that reverting the
commit in question fixes it, the lspci output) and additionally, your
VBIOS. You can obtain this with nouveau loaded by doing

cp /sys/kernel/debug/dri/0/vbios.rom /tmp

This will help centralize all the info.

Thanks,

  -ilia

On Sun, Jun 23, 2019 at 12:34 AM Mar Mel <marmel6942 at yahoo.com> wrote:

> Sure:
>
> $ lspci -nn -d 10de:
> 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GT200
> [GeForce GTX 260] [10de:05e2] (rev a1)
>
>
> On Saturday, June 22, 2019, 2:19:31 PM EDT, Ilia Mirkin <
> imirkin at alum.mit.edu> wrote:
>
>
> Mar - can you provide the output of
>
> lspci -nn -d 10de:
>
> On Sat, Jun 22, 2019 at 2:17 PM Lyude Paul <lyude at redhat.com> wrote:
>
> Hi, is this actually an nv50 GPU, or some other model? I can try to take a
> closer look at this
>
> On Sun, 2019-06-16 at 10:28 -0400, Ilia Mirkin wrote:
>
> I don't really see anything between v5.0..v5.1 which would account for
> this. Could have been a subtle change to the i2c logic somewhere. The
> fastest way to identify the problem would be to do a bisect on the kernel
> to identify the commit that caused this. There are many guides for this
> online.
>
> On Sat, Jun 15, 2019 at 12:17 PM Mar Mel <marmel6942 at yahoo.com> wrote:
>
> Unfortunately, even with this change now reverted in kernel 5.1.10, the
> fan speed issue persists.
>
> If someone could point me in the direction of a relevant commit(s) I'll
> happily file a bug report.
>
> On Thursday, June 13, 2019, 11:19:25 AM EDT, Mar Mel <marmel6942 at yahoo.com>
> wrote:
>
>
> As of kernel 5.1.9, on resume from suspend, my NV50 fan runs at full
> speed.
>
> Not sure if it has to do with this new config option (
> NOUVEAU_LEGACY_CTX_SUPPORT)?
>
> This issue is not present using kernel 5.0.21.
>
> Years ago I filed a similar issue:
>
> 60704 – [nouveau, git regression] - I2C PWM fan control broken on nv50
> adt7475 on kernels 3.3.x+
> <https://bugs.freedesktop.org/show_bug.cgi?id=60704>
>
> Thanks.
>
>
> 60704 – [nouveau, git regression] - I2C PWM fan control broken on nv50 a...
>
> <https://bugs.freedesktop.org/show_bug.cgi?id=60704>
>
>
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>
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>
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>
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>
> --
>
> Cheers,
> Lyude Paul
>
>
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