[Bug 60555] New: [r300g] RADEON_NO_TCL=1 hardlock

[Bug 60555] New: [r300g] RADEON_NO_TCL=1 hardlock

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=60555

          Priority: lowest
            Bug ID: 60555
          Assignee: dri-devel@lists.freedesktop.org
           Summary: [r300g] RADEON_NO_TCL=1 hardlock
          Severity: trivial
    Classification: Unclassified
                OS: All
          Reporter: pavel.ondracka@email.cz
          Hardware: Other
            Status: NEW
           Version: git
         Component: Drivers/DRI/r300
           Product: Mesa

This is not really a bug as normal user will never encounter this, just some
nuisance I discovered when I tried to investigate bug 60552 a little bit.

When RADEON_NO_TCL=1 is used (which is useful in diagnosing compiler bugs), the
whole machine sometimes hardlocks. App from bug 60552 is a good way to
reproduce this.

This debug option should be either fixed, or if it no longer considered useful,
then it should be removed. 

BTW this was working not a year ago, so I can probably run a bisect if needed.

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[Bug 60555] [r300g] RADEON_NO_TCL=1 hardlock

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https://bugs.freedesktop.org/show_bug.cgi?id=60555

Pavel Ondračka <pavel.ondracka@email.cz> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|Drivers/DRI/r300            |Drivers/Gallium/r300

--- Comment #1 from Pavel Ondračka <pavel.ondracka@email.cz> ---
Yeah, of course this is with the gallium driver :-(

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[Bug 60555] [r300g] RADEON_NO_TCL=1 hardlock

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https://bugs.freedesktop.org/show_bug.cgi?id=60555

--- Comment #2 from Marek Olšák <maraeo@gmail.com> ---
85efb2fff0d4de56c31e414fd05a37d212211d might be the culprit, but AFAIK there is
no r500 hardware without TCL (the commit only affects r500). I'm not interested
in fixing this, because nobody probably uses the env var (except you and me).

If somebody with a no-TCL chipset experienced hardlocks, that would be a
different story.

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[Bug 60555] [r300g] RADEON_NO_TCL=1 hardlock

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https://bugs.freedesktop.org/show_bug.cgi?id=60555

GitLab Migration User <gitlab-migration@fdo.invalid> changed:

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

--- Comment #3 from GitLab Migration User <gitlab-migration@fdo.invalid> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/351.

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