[Bug 85647] Random radeonsi crashes with mesa 10.3.x

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85647

Michel Dänzer <michel at daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|DRM/Radeon                  |Drivers/Gallium/radeonsi
            Version|XOrg CVS                    |git
            Product|DRI                         |Mesa

--- Comment #7 from Michel Dänzer <michel at daenzer.net> ---
(In reply to Hannu from comment #5)
> As I explained above, bisecting this is impossible due to random long time
> between occurrences of the bug.

That doesn't make it impossible, it just means you need patience. Take your
time, and make sure you test each commit for at least as long (preferably
longer, to account for variation) as it's ever taken for the problem to occur
before declaring it good. On the bright side, when the problem occurs quickly,
you know that commit is bad and can move on to the next one.


(In reply to Hannu from comment #6)
> I don't know much about xorg stacks inner workings but it might be that mesa
> isn't buggy, but has some added functionality between 10.3.x and 10.2.x that
> exercises buggy code path lower in the driver stack.

It doesn't matter. Since the problem happens with Mesa 10.3.y but not with
10.2.y, once we know which change between them makes the difference, we'll be
at least a big step closer to solving the problem.

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