[Bug 24316] New: SIGSEGV in radeon_cs_flush_indirect() with recent radeon driver and firefox.

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=24316

           Summary: SIGSEGV in radeon_cs_flush_indirect() with recent radeon
                    driver and firefox.
           Product: xorg
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: lukasz.krotowski at gmail.com
         QAContact: xorg-team at lists.x.org


When opening onemanga.com (well, probably others too) in firefox Xserver
segfaults. 

Radeon version: 9d596562496863d65850306d2126d8df98464de4

Considering gdb backtrace (attached) and recent commits my wild guess is it's
connected to:
commit 4b4ce36081ca151c24e028c54b59986f41731a73
Author: Michel Dänzer <daenzer at vmware.com>
Date:   Sat Oct 3 16:33:32 2009 +0200

    R3/5xx EXA: Minimise number of draw primitives used for Composite
operations.

    This should reduce the kernel CS checker overhead, if nothing else.

    I'll leave porting this to other chipset families to others who can test
it.

Attached patch fixes SIGSEGV.


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