[Valgrind-users] (vgPlain_unmap_range): Assertion `rs == middle' failed.

[smiley g. <smi...@ya...>]

Hello,

The following error message was noted in an
application that attaches shared memory segment of
150M at a fixed address at 0x20000000 on a 2 cpu box.

valgrind: vg_memory.c:245 (vgPlain_unmap_range):
Assertion `rs == middle' failed.
==29762==    at 0xB002A41F: vgPlain_skin_assert_fail
(vg_mylibc.c:1137)
==29762==    by 0xB002A41E: assert_fail
(vg_mylibc.c:1133)
==29762==    by 0xB002A45C: vgPlain_core_assert_fail
(vg_mylibc.c:1144)
==29762==    by 0xB0027CC7: vgPlain_unmap_range
(vg_memory.c:245)
==29762==    by 0xB0027F55: vgPlain_map_file_segment
(vg_memory.c:354)
==29762==    by 0xB0028150: vgPlain_map_fd_segment
(vg_memory.c:448)
==29762==    by 0xB0038CFF: mmap_segment
(vg_syscalls.c:199)
==29762==    by 0xB003FBC8: after_mmap2
(vg_syscalls.c:4112)
==29762==    by 0xB00439F5: vgPlain_post_syscall
(vg_syscalls.c:6341)

sched status:

Thread 1: status = Runnable, associated_mx = 0x0,
associated_cv = 0x0
==29762==    at 0x34D598CA: mmap64 (in
/lib/tls/libc-2.3.2.so)


Note: see also the FAQ.txt in the source distribution.
It contains workarounds to several common problems.

If that doesn't help, please report this bug to:
valgrind.kde.org

In the bug report, send all the above text, the
valgrind
version, and what Linux distro you are using.  Thanks.



$more /proc/version
Linux version 2.4.21-15.ELsmp
(bhc...@bu...) (gcc version 3.2.3
20030502 (Red Hat Linux 3.2.3-34)) #1 SMP Thu Ap
r 22 00:18:24 EDT 2004

$valgrind --version
valgrind-2.2.0


Thanks,
Madhan.



		
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