#12230: Non-deterministic ghc-iserv terminated error -------------------------------------+------------------------------------- Reporter: ezyang | Owner: simonmar Type: bug | Status: new Priority: highest | Milestone: 8.2.1 Component: GHCi | Version: 8.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by ezyang): Here is the most common trace I get: {{{ [Current thread is 1 (Thread 0x2b203c5129c0 (LWP 3558))] (gdb) bt #0 0x0000000000000000 in ?? () #1 0x0000000000000000 in ?? () }}} However, I got lucky on one run and here is a more useful trace (I've posted it here http://hs01.scs.stanford.edu/ ): {{{ #0 0x00002ab6bffd82a8 in raise () from /usr/lib/libc.so.6 [Current thread is 1 (Thread 0x2ab6c0b49700 (LWP 7518))] (gdb) bt #0 0x00002ab6bffd82a8 in raise () from /usr/lib/libc.so.6 #1 0x00002ab6bffd972a in abort () from /usr/lib/libc.so.6 #2 0x0000000000c98303 in rtsFatalInternalErrorFn (s=0xd2b456 "invalid closure, info=%p", ap=0x2ab6c0b48a28) at rts/RtsMessages.c:182 #3 0x0000000000c97f35 in barf (s=0xd2b456 "invalid closure, info=%p") at rts/RtsMessages.c:46 #4 0x0000000000ccfb33 in evacuate1 (p=0x41919558) at rts/sm/Evac.c:416 #5 0x0000000000cca042 in scavenge_large_srt_bitmap (large_srt=0x41916068) at rts/sm/Scav.c:308 #6 0x0000000000cca08c in scavenge_srt (srt=0x41916068, srt_bitmap=4294967295) at rts/sm/Scav.c:330 #7 0x0000000000cca172 in scavenge_fun_srt (info=0x406da200) at rts/sm/Scav.c:390 #8 0x0000000000ccc0f6 in scavenge_static () at rts/sm/Scav.c:1747 #9 0x0000000000ccc770 in scavenge_loop1 () at rts/sm/Scav.c:2081 #10 0x0000000000ca8ad5 in scavenge_until_all_done () at rts/sm/GC.c:968 #11 0x0000000000ca7810 in GarbageCollect (collect_gen=1, do_heap_census=rtsFalse, gc_type=2, cap=0x103fa00 <MainCapability>) at rts/sm/GC.c:403 #12 0x0000000000c962c8 in scheduleDoGC (pcap=0x2ab6c0b48ea8, task=0x278b5c0, force_major=rtsTrue) at rts/Schedule.c:1804 #13 0x0000000000c94f80 in scheduleDetectDeadlock (pcap=0x2ab6c0b48ea8, task=0x278b5c0) at rts/Schedule.c:931 #14 0x0000000000c93f4b in schedule (initialCapability=0x103fa00 <MainCapability>, task=0x278b5c0) at rts/Schedule.c:277 #15 0x0000000000c973d4 in scheduleWorker (cap=0x103fa00 <MainCapability>, task=0x278b5c0) at rts/Schedule.c:2516 #16 0x0000000000c9abea in workerStart (task=0x278b5c0) at rts/Task.c:443 #17 0x00002ab6bf812424 in start_thread () from /usr/lib/libpthread.so.0 #18 0x00002ab6c008ccbd in clone () from /usr/lib/libc.so.6 }}} Here's another one I got: {{{ Program terminated with signal SIGILL, Illegal instruction. #0 0x0000000040ed7710 in ?? () [Current thread is 1 (Thread 0x2b2f3a3c09c0 (LWP 30537))] (gdb) bt #0 0x0000000040ed7710 in ?? () #1 0x0000000000000000 in ?? () }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12230#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler