Nouveau - Jun 2018 - [Bug 107003] New: Timeout in nvkm_falcon_v1_clear_interrupt on gp104

https://bugs.freedesktop.org/show_bug.cgi?id=107003

            Bug ID: 107003
           Summary: Timeout in nvkm_falcon_v1_clear_interrupt on gp104
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: mine809 at gmail.com
        QA Contact: xorg-team at lists.x.org

Created attachment 140286
  --> https://bugs.freedesktop.org/attachment.cgi?id=140286&action=edit
Dmesg captured of timeout occuring

Increasing the timeout duration doesn't fix the problem.

A cursory look at the code would suggest that the clear interrupt mask fails to
be written to the io space of falcon, but that's the extent of my knowledge.

Attached dmesg shows the issue occuring.

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--- Comment #1 from Emil Andersen Lauridsen <mine809 at gmail.com> ---
I should perhaps mention that the timeout results in the driver completely
failing to load, which makes nouveau completely useless on my card, and needs
to be explicitly blacklisted.

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Emil Andersen Lauridsen <mine809 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Timeout in                  |secboot: HS load failed
                   |nvkm_falcon_v1_clear_interr |
                   |upt on gp104                |

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--- Comment #2 from Emil Andersen Lauridsen <mine809 at gmail.com> ---
So, digging further into the log, and looking at some mmiotraces, it appears
the timeout was merely a symptom, not the root problem. The secboot HS
bootloader gets loaded to the card without much issue, but returns an error
code instead of executing succefully.

On a maybe related note: The HS bootloader blob the nvidia driver sends is
quite different from the one nouveau sends, so I assume it could be a problem
with the released firmware blob simply not supporting the card.

Given that the card is a 1070 Ti, released in november 2017, and the firmware
blob being from february 2017, it wouldn't seem too far fetched.

I'd be interested to hear if any other 1070 Ti users are able to run with
nouveau.

Also, does any of the nouveau developers have the ability to contact nvidia
about such an issue? It would be much appreciated.

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Martin Peres <martin.peres at free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|NEW                         |RESOLVED

--- Comment #3 from Martin Peres <martin.peres at free.fr> ---
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