[Mesa-dev] [Bug 56542] New: [bisected] Piglit gl_select tests crash on exit

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Oct 29 13:28:16 PDT 2012


          Priority: medium
            Bug ID: 56542
          Keywords: regression
                CC: jfonseca at vmware.com
          Assignee: mesa-dev at lists.freedesktop.org
           Summary: [bisected] Piglit gl_select tests crash on exit
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: pavel.ondracka at email.cz
          Hardware: Other
            Status: NEW
           Version: git
         Component: Other
           Product: Mesa

Created attachment 69252
  --> https://bugs.freedesktop.org/attachment.cgi?id=69252&action=edit

Reproducible with llvmpipe or r300g here.

/piglit/bin/select alpha
PIGLIT: {'result': 'pass' }
pure virtual method called
terminate called without an active exception
Neúspěšně ukončen (SIGABRT)

Full backtrace attached.
This works fine in 8.0.5 so I did a regression test, but there were some build

There are only 'skip'ped commits left to test. The first bad commit could be
any of: 23f1e551cc6553ce7f99b9264efc8776f5f35b00
We cannot bisect more!

However almost all of them are build fixes, or some gbm stuff which leaves:
commit 3469715a8a171512cf9b528702e70393f01c6041
Author: José Fonseca <jfonseca at vmware.com>
Date:   Fri Jul 13 18:09:30 2012 +0100

    gallivm,draw,llvmpipe: Support wider native registers.

as the most likely candidate.

LLVM version: 3.0-14.fc17
Mesa: e8f2bec25ea9bbaedac7abfa7eabb62e1aaf3163

This is with an old intel prescott cpu, 32 bit Fedora 17:
from /proc/cpuinfo
vendor_id    : GenuineIntel
cpu family    : 6
model        : 14
model name    : Genuine Intel(R) CPU T2300  @ 1.66GHz

printed with GALLIUM_DUMP_CPU=1
util_cpu_caps.nr_cpus = 2
util_cpu_caps.x86_cpu_type = 6
util_cpu_caps.cacheline = 64
util_cpu_caps.has_tsc = 1
util_cpu_caps.has_mmx = 1
util_cpu_caps.has_mmx2 = 1
util_cpu_caps.has_sse = 1
util_cpu_caps.has_sse2 = 1
util_cpu_caps.has_sse3 = 1
util_cpu_caps.has_ssse3 = 0
util_cpu_caps.has_sse4_1 = 0
util_cpu_caps.has_sse4_2 = 0
util_cpu_caps.has_avx = 0
util_cpu_caps.has_3dnow = 0
util_cpu_caps.has_3dnow_ext = 0
util_cpu_caps.has_altivec = 0

It seems this is highly cpu dependent, as this test doesn't crash on my other
machine (core2) with 64bit fedora ( there is just hang forever in
__lll_lock_wait() from libpthread.so.0 on exit )

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