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From: Alex B. <ker...@be...> - 2006-07-10 18:21:35
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Hi, I'm testing a multi-threaded app although the second thread is just a background listening thread. Semi-redacted the subject was at: Thread 1: status = VgTs_Runnable ==31252== at 0x4104F57: operator new(unsigned long) (vg_replace_malloc.c:167) And Thread 2: status = VgTs_WaitSys ==31252== at 0x3B73EBC6B2: poll (in /lib64/tls/libc-2.3.4.so) And the error that got dumped: ==31252== Address 0x4361678 is not stack'd, malloc'd or (recently) free'd --31252-- VALGRIND INTERNAL ERROR: Valgrind received a signal 11 (SIGSEGV) - exiting --31252-- si_code=1; Faulting address: 0x0; sp: 0x4032AEE00 valgrind: the 'impossible' happened: Killed by fatal signal ==31252== at 0x380218A7: unlinkBlock (m_mallocfree.c:189) ==31252== by 0x38021EB3: vgPlain_arena_malloc (m_mallocfree.c:1055) ==31252== by 0x38037A9A: vgPlain_cli_malloc (replacemalloc_core.c:101) ==31252== by 0x380015DC: vgMemCheck___builtin_new (mc_malloc_wrappers.c:182) ==31252== by 0x38039B9E: do_client_request (scheduler.c:1158) ==31252== by 0x38039453: vgPlain_scheduler (scheduler.c:869) ==31252== by 0x3804CD6E: thread_wrapper (syswrap-linux.c:87) ==31252== by 0x3804CE65: run_a_thread_NORETURN (syswrap-linux.c:120) Need any more information? -- Alex, homepage: http://www.bennee.com/~alex/ Alden's Laws: (1) Giving away baby clothes and furniture is the major cause of pregnancy. (2) Always be backlit. (3) Sit down whenever possible. |