Re: Failure to reach login screen - nouveau problem

[Peter Hillier-Brook]

On 02/04/16 08:50, Sven Joachim wrote:
> On 2016-04-02 06:51 +0300, Adam Wilson wrote:
> 
>> On Fri, 01 Apr 2016 19:58:17 +0200
>> Sven Joachim  wrote:
>>
>>> On 2016-04-01 13:40 -0400, Felix Miata wrote:
>>>
 Peter Hillier-Brook composed on 2016-04-01 15:14 (UTC+0100):

> Following an overnight shut down I couldn't reach the desktop manager
> the following day. Running a live system I was able to extract the
> following via 'dmesg'. Does anyone recognise this, or can offer a
> pointer to the problem?
> ++
> [0.705479] nouveau E[  DEVICE][:01:00.0] unknown chipset, 
> 0x124020a1
> [0.705515] nouveau E[ DRM] failed to create 0x8080, -22
> ++
>>>
>>> Did you upgrade your kernel prior to the reboot?

No. 'only' a few libs

 I saw something like this on Mageia in just the past few days. The DRM
 and Nouveau modules were failing to load automatically during boot. I
 got X to work by modprobing nouveau and/or drm.

 What does 'lspci | grep VGA' show your gfxcard model is?
>>>
>>> If we can trust Google with the error message, it's a shiny GTX 970.

Spot on.

 Possibly you have a firmware package installation failure.
>>>
>>> There is no firmware for this card in Debian yet
> 
> To clarify, the card should work without the firmware, but it only
> provides basic operation.  There's no acceleration without the firmware
> and Linux >= 4.6-rc1.
> 
>> This makes no sense. Unless OP has changed his hardware overnight,
>> then this shouldn't be happening, since it worked fine before.

No hardware changes and, as mentioned above, only a few libs via
Synaptic. I'm still trying to isolate the suspect lib.

> The hardware did presumably not change overnight, but the kernel might
> as well have.  You know, new kernels sometimes introduce bugs.

Vanilla Debian 8.0 with all updates to the date of my first post, so now
at 8.4. No new kernels. The reason I switched back to vanilla Debian was
to avoid the fairly frequent kernel changes in Kubuntu.

>> It seems we can't trust Google with anything.
> 
> We can't trust it with everything, but this time it gave some good
> results.  Several people seemed to have the OP's problem on various
> distributions.

I'm now back in business via the on-board Intel graphics, once I
persuaded kdm to start via "sudo /etc/init.d/kdm force-reload". After
the first boot this process became automatic again.

Thanks to all who offered help and advice.

Peter HB




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Re: Failure to reach login screen - nouveau problem

[Sven Joachim]

On 2016-04-02 06:51 +0300, Adam Wilson wrote:

> On Fri, 01 Apr 2016 19:58:17 +0200
> Sven Joachim  wrote:
>
>> On 2016-04-01 13:40 -0400, Felix Miata wrote:
>> 
>> > Peter Hillier-Brook composed on 2016-04-01 15:14 (UTC+0100):
>> >
>> >> Following an overnight shut down I couldn't reach the desktop manager
>> >> the following day. Running a live system I was able to extract the
>> >> following via 'dmesg'. Does anyone recognise this, or can offer a
>> >> pointer to the problem?
>> >> ++
>> >> [0.705479] nouveau E[  DEVICE][:01:00.0] unknown chipset, 
>> >> 0x124020a1
>> >> [0.705515] nouveau E[ DRM] failed to create 0x8080, -22
>> >> ++
>> 
>> Did you upgrade your kernel prior to the reboot?
>> 
>> > I saw something like this on Mageia in just the past few days. The DRM
>> > and Nouveau modules were failing to load automatically during boot. I
>> > got X to work by modprobing nouveau and/or drm.
>> >
>> > What does 'lspci | grep VGA' show your gfxcard model is?
>> 
>> If we can trust Google with the error message, it's a shiny GTX 970.
>> 
>> > Possibly you have a firmware package installation failure.
>> 
>> There is no firmware for this card in Debian yet

To clarify, the card should work without the firmware, but it only
provides basic operation.  There's no acceleration without the firmware
and Linux >= 4.6-rc1.

> This makes no sense. Unless OP has changed his hardware overnight,
> then this shouldn't be happening, since it worked fine before.

The hardware did presumably not change overnight, but the kernel might
as well have.  You know, new kernels sometimes introduce bugs.

> It seems we can't trust Google with anything.

We can't trust it with everything, but this time it gave some good
results.  Several people seemed to have the OP's problem on various
distributions.

Cheers,
   Sven

Re: Failure to reach login screen - nouveau problem

[Adam Wilson]

On Fri, 01 Apr 2016 19:58:17 +0200
Sven Joachim  wrote:

> On 2016-04-01 13:40 -0400, Felix Miata wrote:
> 
> > Peter Hillier-Brook composed on 2016-04-01 15:14 (UTC+0100):
> >
> >> Following an overnight shut down I couldn't reach the desktop manager
> >> the following day. Running a live system I was able to extract the
> >> following via 'dmesg'. Does anyone recognise this, or can offer a
> >> pointer to the problem?
> >> ++
> >> [0.705479] nouveau E[  DEVICE][:01:00.0] unknown chipset, 
> >> 0x124020a1
> >> [0.705515] nouveau E[ DRM] failed to create 0x8080, -22
> >> ++
> 
> Did you upgrade your kernel prior to the reboot?
> 
> > I saw something like this on Mageia in just the past few days. The DRM
> > and Nouveau modules were failing to load automatically during boot. I
> > got X to work by modprobing nouveau and/or drm.
> >
> > What does 'lspci | grep VGA' show your gfxcard model is?
> 
> If we can trust Google with the error message, it's a shiny GTX 970.
> 
> > Possibly you have a firmware package installation failure.
> 
> There is no firmware for this card in Debian yet

This makes no sense. Unless OP has changed his hardware overnight, then this 
shouldn't be happening, since it worked fine before.

It seems we can't trust Google with anything.


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Description: OpenPGP digital signature

Re: Failure to reach login screen - nouveau problem

[Sven Joachim]

On 2016-04-01 13:40 -0400, Felix Miata wrote:

> Peter Hillier-Brook composed on 2016-04-01 15:14 (UTC+0100):
>
>> Following an overnight shut down I couldn't reach the desktop manager
>> the following day. Running a live system I was able to extract the
>> following via 'dmesg'. Does anyone recognise this, or can offer a
>> pointer to the problem?
>> ++
>> [0.705479] nouveau E[  DEVICE][:01:00.0] unknown chipset, 0x124020a1
>> [0.705515] nouveau E[ DRM] failed to create 0x8080, -22
>> ++

Did you upgrade your kernel prior to the reboot?

> I saw something like this on Mageia in just the past few days. The DRM
> and Nouveau modules were failing to load automatically during boot. I
> got X to work by modprobing nouveau and/or drm.
>
> What does 'lspci | grep VGA' show your gfxcard model is?

If we can trust Google with the error message, it's a shiny GTX 970.

> Possibly you have a firmware package installation failure.

There is no firmware for this card in Debian yet, although NVidia made
it available in the linux-firmware git repository on kernel.org a few
weeks ago.  It's only useful starting with Linux 4.6, though.

Cheers,
   Sven

Re: Failure to reach login screen - nouveau problem

[Felix Miata]

Peter Hillier-Brook composed on 2016-04-01 15:14 (UTC+0100):


Following an overnight shut down I couldn't reach the desktop manager
the following day. Running a live system I was able to extract the
following via 'dmesg'. Does anyone recognise this, or can offer a
pointer to the problem?
++
[0.705479] nouveau E[  DEVICE][:01:00.0] unknown chipset, 0x124020a1
[0.705515] nouveau E[ DRM] failed to create 0x8080, -22
++


I saw something like this on Mageia in just the past few days. The DRM and 
Nouveau modules were failing to load automatically during boot. I got X to 
work by modprobing nouveau and/or drm.


What does 'lspci | grep VGA' show your gfxcard model is? Possibly you have a 
firmware package installation failure. What happens if you login on a vtty 
and do startx? /var/log/Xorg.#.log may offer other clues.

--
"The wise are known for their understanding, and pleasant
words are persuasive." Proverbs 16:21 (New Living Translation)

 Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata  ***  http://fm.no-ip.com/

Failure to reach login screen - nouveau problem

[Peter Hillier-Brook]

Following an overnight shut down I couldn't reach the desktop manager
the following day. Running a live system I was able to extract the
following via 'dmesg'. Does anyone recognise this, or can offer a
pointer to the problem?
++

[0.705479] nouveau E[  DEVICE][:01:00.0] unknown chipset, 0x124020a1
[0.705515] nouveau E[ DRM] failed to create 0x8080, -22
++

Thanks in advance.

Peter HB