[Bug 64124] New: [r600g] aruba crash with 32bit applications on 64bit kernel

[Bug 64124] New: [r600g] aruba crash with 32bit applications on 64bit kernel

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=64124

          Priority: medium
            Bug ID: 64124
          Assignee: dri-devel@lists.freedesktop.org
           Summary: [r600g] aruba crash with 32bit applications on 64bit
                    kernel
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: swanson@ukfsn.org
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Radeon
           Product: DRI

Created attachment 78729
  --> https://bugs.freedesktop.org/attachment.cgi?id=78729&action=edit
dmesg

With my A10-5700 ARUBA I have a problem running 32bit applications under 64bit
kernel (not tried 32bit kernel) while 64bit applications are fine. Essentially
the X server crashes with a segfault after the following messages;

radeon 0000:00:01.0: bo ffff88022f44b000 va 0x00000000 conflict with (bo
ffff88022ee16c00 0x01F00000 0x026F8000)
radeon 0000:00:01.0: bo ffff88022f44b000 don't has a mapping in vm
ffff880224c97e00
radeon 0000:00:01.0: bo ffff88022f449000 va 0x00000000 conflict with (bo
ffff88022ee16c00 0x01F00000 0x026F8000)
radeon 0000:00:01.0: bo ffff88022f449000 don't has a mapping in vm
ffff880224c97e00
radeon 0000:00:01.0: bo ffff88022ee16000 don't has a mapping in vm
ffff880224c97e00
radeon 0000:00:01.0: bo ffff88022ee16400 don't has a mapping in vm
ffff880224c97e00
[...REPEAT...]
radeon 0000:00:01.0: bo ffff88023527c000 don't has a mapping in vm
ffff880224c97e00
[CRASH]

System is running;
- Linux 3.9.0 with all radeon patches from drm-next-3.10-2 (but problem occurrs
with standard Linux 3.8 and 3.9 too, though unknown for earlier kernels)
- Current Mesa git head for both 64 and 32 bit (definitely no old libraries).

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[Bug 64124] [r600g] aruba crash with 32bit applications on 64bit kernel

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https://bugs.freedesktop.org/show_bug.cgi?id=64124

--- Comment #1 from Alan Swanson <swanson@ukfsn.org> ---
Created attachment 78730
  --> https://bugs.freedesktop.org/attachment.cgi?id=78730&action=edit
Xorg.0.log

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[Bug 64124] [r600g] aruba crash with 32bit applications on 64bit kernel

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https://bugs.freedesktop.org/show_bug.cgi?id=64124

--- Comment #2 from Michel Dänzer <michel@daenzer.net> ---
FWIW, it looks like the crash happens in a GLX indirect rendering path. Unless
you're intentionally using indirect rendering, I suspect there's a problem with
your 32-bit Mesa setup, causing the 32-bit apps to fall back to indirect
rendering.

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[Bug 64124] [r600g] aruba crash with 32bit applications on 64bit kernel

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https://bugs.freedesktop.org/show_bug.cgi?id=64124

Alan Swanson <swanson@ukfsn.org> changed:

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

--- Comment #3 from Alan Swanson <swanson@ukfsn.org> ---
Sorry, appears the build system (not Mesa's) had started stripping the
"--with-dri-searchpath" I'd set. Now resolved.

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