https://d.puremagic.com/issues/show_bug.cgi?id=11981
--- Comment #5 from Stanislav Blinov <[email protected]> 2014-02-08 18:07:14 PST --- Ok, I've built druntime with -g -debug and built a modified host.c that runs infinitely to eventually hit that deadlock: --- host.c 2014-02-09 01:45:36.399539870 +0400 +++ host_.c 2014-02-09 05:40:45.885080082 +0400 @@ -5,6 +5,7 @@ int main(int argc, char* argv[]) { +while(1) { const size_t pathlen = strrchr(argv[0], '/') - argv[0] + 1; char *name = malloc(pathlen + sizeof("plugin1.so")); memcpy(name, argv[0], pathlen); @@ -46,5 +47,6 @@ assert(dlclose(plugin1) == 0); free(name); +} return EXIT_SUCCESS; } Here's the stacktrace: Thread 4 (Thread 0x7ffff6a05700 (LWP 16188)): #0 __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95 #1 0x00007ffff7675fcc in _L_lock_11850 () at malloc.c:5151 #2 0x00007ffff7673575 in __GI___libc_malloc (bytes=88) at malloc.c:2856 #3 0x00007ffff7ddb2cd in allocate_and_init (map=0x603610) at dl-tls.c:529 #4 tls_get_addr_tail (ti=0x7ffff73dcb28, dtv=0x611d00, the_map=0x603610) at dl-tls.c:742 #5 0x00007ffff71816e4 in core.thread.thread_suspendHandler() (this=0x0, sp=0x7ffff6a046c0) at src/core/thread.d:1069 #6 0x00007ffff718387f in core.thread.callWithStackShell() (fn=...) at src/core/thread.d:2085 #7 0x00007ffff71816bd in thread_suspendHandler (sig=10) at src/core/thread.d:411 #8 <signal handler called> #9 0x00007ffff7673564 in __GI___libc_malloc (bytes=16) at malloc.c:2856 #10 0x00007ffff71811c7 in thread_entryPoint (arg=0x0) at src/rt/tlsgc.d:34 #11 0x00007ffff79c0f8e in start_thread (arg=0x7ffff6a05700) at pthread_create.c:311 #12 0x00007ffff76eaa0d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113 Thread 1 (Thread 0x7ffff7fc8740 (LWP 16182)): #0 sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85 #1 0x00007ffff7183940 in core.thread.suspend() (t=0x7ffff7ec8c00) at src/core/thread.d:2244 #2 0x00007ffff7183bcd in thread_suspendAll () at src/core/thread.d:2322 #3 0x00007ffff7194300 in gc.gc.Gcx.fullcollect() (this=0x6056d0) at src/gc/gc.d:2389 #4 0x00007ffff71919cd in gc.gc.GC.fullCollect() (this=0x6056a0) at src/gc/gc.d:1156 #5 0x00007ffff71971fa in gc_collect () at src/gc/proxy.d:165 #6 0x00007ffff717fb79 in core.memory.GC.collect() () at src/core/memory.d:168 #7 0x00007ffff6a07449 in runTests () at plugin.d:24 #8 0x0000000000400a6b in main (argc=1, argv=0x7fffffffdcc8) at host.c:31 Reposting machine details: $uname -a Linux 3.8.0-26-generic #38-Ubuntu SMP Mon Jun 17 21:43:33 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux $ldd --version ldd (Ubuntu EGLIBC 2.17-0ubuntu5.1) 2.17 -- Configure issuemail: https://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: -------
