[Bug 36914] New: r600g: add rv670 flushing workaround. Causes games and some mesa demos to segfault.
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Fri May 6 10:02:43 PDT 2011
https://bugs.freedesktop.org/show_bug.cgi?id=36914
Summary: r600g: add rv670 flushing workaround. Causes games and
some mesa demos to segfault.
Product: Mesa
Version: git
Platform: x86 (IA32)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/Gallium/r600
AssignedTo: dri-devel at lists.freedesktop.org
ReportedBy: lists at andyfurniss.entadsl.com
RV670 AGP card with agpmode=-1, d-r-t kernel as it was 16/03/11
Since
5066f7cd0e010db46b42f8f08a33c10cb34f8726
r600g: add rv670 flushing workaround.
I am getting segfaults with openarena, nexuiz, etqw and a few mesa demos -
gltestperf,clearspd and ipers.
The bt of the segfault seems to repeat for ever.
Starting program: /home/andy/Src/Mesa-git/demos/src/demos/ipers
[Thread debugging using libthread_db enabled]
IperS V1.0
Written by David Bucciarelli (tech.hmw at plus.it)
[New Thread 0xb726f700 (LWP 14143)]
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb726f700 (LWP 14143)]
r600_context_flush (ctx=0x8074e10) at r600_hw_context.c:1282
1282 {
(gdb) bt
#0 r600_context_flush (ctx=0x8074e10) at r600_hw_context.c:1282
#1 0xb6eeed3b in r600_context_flush_all (ctx=0x8074e10, flush_flags=128) at
r600_hw_context.c:786
#2 0xb6eeef18 in r600_context_bo_flush (ctx=0x8074e10, flush_flags=33554496,
flush_mask=0, rbo=0x83c1488) at r600_hw_context.c:814
#3 0xb6eef030 in r600_context_flush_dest_caches (ctx=0x8074e10) at
r600_hw_context.c:1197
#4 0xb6eee833 in r600_context_flush (ctx=0x8074e10) at r600_hw_context.c:1298
#5 0xb6eeed3b in r600_context_flush_all (ctx=0x8074e10, flush_flags=128) at
r600_hw_context.c:786
#6 0xb6eeef18 in r600_context_bo_flush (ctx=0x8074e10, flush_flags=33554496,
flush_mask=0, rbo=0x83c1488) at r600_hw_context.c:814
#7 0xb6eef030 in r600_context_flush_dest_caches (ctx=0x8074e10) at
r600_hw_context.c:1197
#8 0xb6eee833 in r600_context_flush (ctx=0x8074e10) at r600_hw_context.c:1298
#9 0xb6eeed3b in r600_context_flush_all (ctx=0x8074e10, flush_flags=128) at
r600_hw_context.c:786
#10 0xb6eeef18 in r600_context_bo_flush (ctx=0x8074e10, flush_flags=33554496,
flush_mask=0, rbo=0x83c1488) at r600_hw_context.c:814
#11 0xb6eef030 in r600_context_flush_dest_caches (ctx=0x8074e10) at
r600_hw_context.c:1197
#12 0xb6eee833 in r600_context_flush (ctx=0x8074e10) at r600_hw_context.c:1298
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