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From: Alexander P. <gl...@go...> - 2010-02-24 17:09:58
|
Created a bug report: https://bugs.kde.org/show_bug.cgi?id=228343 On Fri, Feb 19, 2010 at 6:55 PM, Alexander Potapenko <gl...@go...> wrote: > Hi everyone, > > I'm getting strange assertion failures running the following test > under Nullgrind on Mac OS 10.5: > > ===================================== > #include <stdio.h> > #include <stdlib.h> > #include <sys/time.h> > #include <signal.h> > #include <libkern/OSAtomic.h> > #include <pthread.h> > > OSSpinLock sl(OS_SPINLOCK_INIT); > typedef void *(*worker_t)(void*); > typedef void (*Sigaction)(int, siginfo_t *, void *); > > int GLOB=0; > > static void EnableSigprof(Sigaction SignalHandler) { > struct sigaction sa; > sa.sa_sigaction = SignalHandler; > sa.sa_flags = SA_RESTART | SA_SIGINFO; > sigemptyset(&sa.sa_mask); > if (sigaction(SIGPROF, &sa, NULL) != 0) { > perror("sigaction"); > abort(); > } > struct itimerval timer; > timer.it_interval.tv_sec = 0; > timer.it_interval.tv_usec = 1000000 / 10000; > timer.it_value = timer.it_interval; > if (setitimer(ITIMER_PROF, &timer, 0) != 0) { > perror("setitimer"); > abort(); > } > } > > void Worker() { > for (long int i = 0; i < 100000000; i++) { > void *x = malloc((i % 64) + 1); > free (x); > } > } > > void SignalHandlerWithSpinlock(int, siginfo_t*, void*) { > OSSpinLockLock(&sl); > GLOB++; > OSSpinLockUnlock(&sl); > } > > int main() { > EnableSigprof(SignalHandlerWithSpinlock); > pthread_t w_1; > pthread_t w_2; > pthread_create(&w_1, NULL, worker_t(Worker), NULL); > pthread_create(&w_2, NULL, worker_t(Worker), NULL); > pthread_join(w_1, NULL); > pthread_join(w_2, NULL); > printf("\tGLOB=%d\n", GLOB); > return 0; > } > ========================================= > > $ g++ bad_sigprof.cc -o bad_sigprof > $ valgrind --tool=none ./bad_sigprof > ... > valgrind: m_syswrap/syswrap-main.c:1314 (vgPlain_client_syscall): > Assertion 'sci->status.what == SsIdle' failed. > ==5469== at 0xF00864ED: ??? > ==5469== by 0xF00867A1: ??? > ==5469== by 0xF00E5C56: ??? > ==5469== by 0xF00E10A3: ??? > ==5469== by 0xF00E21F9: ??? > ==5469== by 0xF010893F: ??? > > sched status: > running_tid=1 > > Thread 1: status = VgTs_Runnable > ==5469== at 0xF009DF2A: ??? > ==5469== by 0x1F7AC2: cerror (in /usr/lib/libSystem.B.dylib) > ==5469== by 0x1F15: main (in ./bad_sigprof) > > Thread 2: status = VgTs_Yielding > ==5469== at 0x1F8035: malloc (in /usr/lib/libSystem.B.dylib) > ==5469== by 0x228154: _pthread_start (in /usr/lib/libSystem.B.dylib) > ==5469== by 0x228011: thread_start (in /usr/lib/libSystem.B.dylib) > > Thread 3: status = VgTs_Yielding > ==5469== at 0xFFFF0260: ??? > ==5469== by 0x1FD38C: free (in /usr/lib/libSystem.B.dylib) > ==5469== by 0x1DDE: Worker() (in ./bad_sigprof) > ==5469== by 0x228154: _pthread_start (in /usr/lib/libSystem.B.dylib) > ==5469== by 0x228011: thread_start (in /usr/lib/libSystem.B.dylib) > > > Is there something wrong with the test or it's an error? > NB: ThreadSanitizer (code.google.com/p/data-race-test) consumes very > much memory on a similar test. Could it be due to repeated translation > of the signal handler? > > Thanks, > Alexander Potapenko > Software Engineer > Google Moscow > -- Alexander Potapenko Software Engineer Google Moscow |
|
From: Bart V. A. <bar...@gm...> - 2010-02-24 08:23:11
|
Nightly build on cellbuzz-native ( cellbuzz, ppc64, Fedora 7, native ) Started at 2010-02-24 02:00:05 EST Ended at 2010-02-24 03:23:01 EST Results unchanged from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... done Regression test results follow == 449 tests, 43 stderr failures, 10 stdout failures, 0 post failures == memcheck/tests/deep_templates (stdout) memcheck/tests/leak-cases-full (stderr) memcheck/tests/leak-cases-summary (stderr) memcheck/tests/leak-cycle (stderr) memcheck/tests/linux/timerfd-syscall (stdout) memcheck/tests/linux-syscalls-2007 (stderr) memcheck/tests/origin5-bz2 (stderr) memcheck/tests/varinfo1 (stderr) memcheck/tests/varinfo2 (stderr) memcheck/tests/varinfo3 (stderr) memcheck/tests/varinfo4 (stderr) memcheck/tests/varinfo5 (stderr) memcheck/tests/varinfo6 (stderr) memcheck/tests/wrap8 (stdout) memcheck/tests/wrap8 (stderr) none/tests/empty-exe (stderr) none/tests/linux/mremap (stderr) none/tests/ppc32/jm-fp (stdout) none/tests/ppc32/jm-vmx (stdout) none/tests/ppc32/round (stdout) none/tests/ppc32/test_gx (stdout) none/tests/ppc64/jm-fp (stdout) none/tests/ppc64/jm-vmx (stdout) none/tests/ppc64/round (stdout) none/tests/shell_valid2 (stderr) none/tests/shell_valid3 (stderr) none/tests/shell_zerolength (stderr) helgrind/tests/hg05_race2 (stderr) helgrind/tests/tc06_two_races_xml (stderr) helgrind/tests/tc22_exit_w_lock (stderr) helgrind/tests/tc23_bogus_condwait (stderr) exp-ptrcheck/tests/bad_percentify (stderr) exp-ptrcheck/tests/base (stderr) exp-ptrcheck/tests/ccc (stderr) exp-ptrcheck/tests/fp (stderr) exp-ptrcheck/tests/globalerr (stderr) exp-ptrcheck/tests/hackedbz2 (stderr) exp-ptrcheck/tests/hp_bounds (stderr) exp-ptrcheck/tests/hp_dangle (stderr) exp-ptrcheck/tests/hsg (stderr) exp-ptrcheck/tests/justify (stderr) exp-ptrcheck/tests/partial_bad (stderr) exp-ptrcheck/tests/partial_good (stderr) exp-ptrcheck/tests/preen_invars (stderr) exp-ptrcheck/tests/pth_create (stderr) exp-ptrcheck/tests/pth_specific (stderr) exp-ptrcheck/tests/realloc (stderr) exp-ptrcheck/tests/stackerr (stderr) exp-ptrcheck/tests/strcpy (stderr) exp-ptrcheck/tests/supp (stderr) exp-ptrcheck/tests/tricky (stderr) exp-ptrcheck/tests/unaligned (stderr) exp-ptrcheck/tests/zero (stderr) |
|
From: Tom H. <th...@cy...> - 2010-02-24 03:52:13
|
Nightly build on lloyd ( x86_64, Fedora 7 ) Started at 2010-02-24 03:05:06 GMT Ended at 2010-02-24 03:52:00 GMT Results unchanged from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 531 tests, 1 stderr failure, 0 stdout failures, 0 post failures == helgrind/tests/tc06_two_races_xml (stderr) |
|
From: Tom H. <th...@cy...> - 2010-02-24 03:38:35
|
Nightly build on mg ( x86_64, Fedora 9 ) Started at 2010-02-24 03:10:04 GMT Ended at 2010-02-24 03:38:17 GMT Results unchanged from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 538 tests, 1 stderr failure, 0 stdout failures, 0 post failures == helgrind/tests/tc06_two_races_xml (stderr) |