[Bug 82513] New: valgrind shows many errors for mesa-progs-8.1.0 with mesa-10.2.{4,5}

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Aug 12 06:18:40 PDT 2014


          Priority: medium
            Bug ID: 82513
          Assignee: idr at freedesktop.org
           Summary: valgrind shows many errors for mesa-progs-8.1.0 with
        QA Contact: intel-3d-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: jonas.jelten at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: 10.2
         Component: Drivers/DRI/i965
           Product: Mesa

Created attachment 104502
  --> https://bugs.freedesktop.org/attachment.cgi?id=104502&action=edit
the complete valgrind glxinfo output

When i execute
valgrind -v --leak-check=full --track-origins=yes glxinfo
i get lots errors: uninitialized values, invalid writes, ...

Originally I got all the errors when testing an opengl coding project,
but when narrowing down the problem, i found that the errors also occur when
running glxgears or glxinfo.

The complete valgrind output is attached.

Mesa was compiled with:
-O3 -pipe -march=corei7-avx -mcx16 -maes -mpclmul -mpopcnt -mavx -msse4.2
-msse4.1 --param l1-cache-size=32 --param l1-cache-line-size=64 --param
this equals -march=native for my laptop.

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