View Issue Details
| ID | Project | Category | View Status | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 0002709 | GNUnet | ARM service | public | 2012-12-20 09:54 | 2012-12-21 16:49 |
| Reporter | Matthias Wachs | Assigned To | |||
| Priority | immediate | Severity | block | Reproducibility | random |
| Status | closed | Resolution | fixed | ||
| Product Version | Git master | ||||
| Target Version | 0.9.5 | ||||
| Summary | 0002709: Processes locked in shutdown | ||||
| Description | Hanging processes on buildbots: I found hanging processes on buildbots during shutdown with a lowlevel lock: Example peerinfo on powerbot: powerbot:~# ps ax | grep gnun 1804 ? S 0:00 /tmp/gnbuild/lib/gnunet/libexec/gnunet-service-arm -c /tmp/test-gnunet-vpnWZkiwa/0/config 1830 ? S 0:00 /tmp/gnbuild/lib/gnunet/libexec/gnunet-service-peerinfo -c /tmp/test-gnunet-vpnWZkiwa/0/config 2716 pts/2 S+ 0:00 grep gnun gdb attached to peerinfo 0x0fe4a898 in __lll_lock_wait_private (futex=0x103230d8) at ../nptl/sysdeps/unix/sysv/linux/lowlevellock.c:31 31 ../nptl/sysdeps/unix/sysv/linux/lowlevellock.c: No such file or directory. in ../nptl/sysdeps/unix/sysv/linux/lowlevellock.c (gdb) bt #0 0x0fe4a898 in __lll_lock_wait_private (futex=0x103230d8) at ../nptl/sysdeps/unix/sysv/linux/lowlevellock.c:31 #1 0x0fe1d698 in __regexec (preg=0x10322b10, string=<value optimized out>, nmatch=0, pmatch=0x0, eflags=0) at regexec.c:248 #2 0x0ff1b968 in GNUNET_get_log_call_status (caller_level=8, comp=0xff89280 "util-scheduler", file=0xff89250 "scheduler.c", function=0xff89560 "sighandler_shutdown", line=646) at common_logging.c:498 #3 0x0ff62348 in sighandler_shutdown () at scheduler.c:645 #4 <signal handler called> #5 0x0fe4a858 in __lll_lock_wait_private (futex=0x103230d8) at ../nptl/sysdeps/unix/sysv/linux/lowlevellock.c:34 #6 0x0fe1d698 in __regexec (preg=0x10322b10, string=<value optimized out>, nmatch=0, pmatch=0x0, eflags=0) at regexec.c:248 #7 0x0ff1b968 in GNUNET_get_log_call_status (caller_level=8, comp=0xff89280 "util-scheduler", file=0xff89250 "scheduler.c", function=0xff89560 "sighandler_shutdown", line=646) at common_logging.c:498 #8 0x0ff62348 in sighandler_shutdown () at scheduler.c:645 #9 <signal handler called> #10 re_search_internal (preg=0x10322b10, string=<value optimized out>, length=21, start=0, range=21, stop=271726512, nmatch=<value optimized out>, pmatch=<value optimized out>, eflags=0) at regexec.c:921 #11 0x0fe1d5f4 in __regexec (preg=0x10322b10, string=<value optimized out>, nmatch=0, pmatch=0x0, eflags=0) at regexec.c:250 #12 0x0ff1b968 in GNUNET_get_log_call_status (caller_level=8, comp=0xff8959c "util", file=0xff895a4 "server.c", function=0xff89d40 "process_listen_socket", line=364) at common_logging.c:498 #13 0x0ff6526c in process_listen_socket (cls=0x10323cd8, tc=0xbf9f1bcc) at server.c:364 #14 0x0ff62204 in run_ready (rs=0x10323888, ws=0x10323910) at scheduler.c:597 #15 0x0ff62d38 in GNUNET_SCHEDULER_run (task=0xff73340 <service_task>, task_cls=0xbf9f1d08) at scheduler.c:788 #16 0x0ff751d0 in GNUNET_SERVICE_run (argc=3, argv=0xbf9f2174, service_name=0x10004640 "peerinfo", options=GNUNET_SERVICE_OPTION_NONE, task=0x10003994 <run>, task_cls=0x0) at service.c:1815 #17 0x10003d04 in main (argc=3, argv=0xbf9f2174) at gnunet-service-peerinfo.c:822 (gdb) bt transport blocked in a log call during shutdown on efikamx: root@efikamx:/home/oem/ubuntu-armv71-evans# ps ax | grep gnu 17966 ? S 0:00 gnunet-helper-testbed 18011 ? S 0:00 gnunet-service-testbed -c /tmp/testbed-helperzX6nhF/0/config 18249 ? S 0:00 /tmp/gnbuild/lib/gnunet/libexec/gnunet-service-arm -c /tmp/testbed8hPktW/1/config 18250 ? Z 0:00 [gnunet-service-] <defunct> 18351 ? S 0:00 /tmp/gnbuild/lib/gnunet/libexec/gnunet-service-transport -c /tmp/testbed8hPktW/1/config 18391 ? S 0:00 /tmp/gnbuild/lib/gnunet/libexec/gnunet-service-statistics -c /tmp/testbed8hPktW/1/config 18901 pts/2 S+ 0:00 grep gnu root@efikamx:/home/oem/ubuntu-armv71-evans# cd (gdb) bt #0 __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/eabi/libc-do-syscall.S:47 #1 0x40188070 in __lll_lock_wait_private (futex=0x2c0b0) at ../nptl/sysdeps/unix/sysv/linux/lowlevellock.c:31 #2 0x40168ea6 in __regexec (preg=0x2bae8, string=0x400b34e4 "sighandler_shutdown", nmatch=<value optimized out>, pmatch=0x0, eflags=0) at regexec.c:248 #3 0x4006d21e in GNUNET_get_log_call_status (caller_level=8, comp=0x400b3204 "util-scheduler", file=0x400b31d4 "scheduler.c", function=0x400b34e4 "sighandler_shutdown", line=646) at common_logging.c:498 #4 0x4009c018 in sighandler_shutdown () at scheduler.c:645 #5 <signal handler called> #6 __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/eabi/libc-do-syscall.S:47 #7 0x40188052 in __lll_lock_wait_private (futex=0x2c0b0) at ../nptl/sysdeps/unix/sysv/linux/lowlevellock.c:34 #8 0x40168ea6 in __regexec (preg=0x2bae8, string=0x400b34e4 "sighandler_shutdown", nmatch=<value optimized out>, pmatch=0x0, eflags=0) at regexec.c:248 #9 0x4006d21e in GNUNET_get_log_call_status (caller_level=8, comp=0x400b3204 "util-scheduler", file=0x400b31d4 "scheduler.c", function=0x400b34e4 "sighandler_shutdown", line=646) at common_logging.c:498 #10 0x4009c018 in sighandler_shutdown () at scheduler.c:645 #11 <signal handler called> #12 __regexec (preg=<value optimized out>, string=0x1f4d4 "plugin_env_session_end", nmatch=<value optimized out>, pmatch=0x0, eflags=0) at regexec.c:255 #13 0x4006d21e in GNUNET_get_log_call_status (caller_level=8, comp=0x2ba18 "transport", file=0x1f078 "gnunet-service-transport.c", function=0x1f4d4 "plugin_env_session_end", line=366) at common_logging.c:498 #14 0x0000b5f2 in plugin_env_session_end (cls=0x2da60, peer=0x30920, session=0x30920) at gnunet-service-transport.c:365 #15 0x4038a136 in disconnect_session (session=0x30920) at plugin_transport_tcp.c:975 #16 0x4038dcea in disconnect_notify (cls=0x2e590, client=0x335d8) at plugin_transport_tcp.c:2107 #17 0x400a0af0 in GNUNET_SERVER_client_disconnect (client=0x335d8) at server.c:1372 #18 0x4009fb26 in process_incoming (cls=0x335d8, buf=0xbec01130, available=0, addr=0x32628, addrlen=16, errCode=0) at server.c:1053 #19 0x400746ca in receive_ready (cls=0x31798, tc=0xbec111b8) at connection.c:1072 #20 0x4009bf0e in run_ready (rs=0x2c8d8, ws=0x2c960) at scheduler.c:597 #21 0x4009c730 in GNUNET_SCHEDULER_run (task=0x400a74ed <service_task>, task_cls=0xbec11378) at scheduler.c:788 #22 0x400a8d26 in GNUNET_SERVICE_run (argc=3, argv=0xbec11654, service_name=0x1f360 "transport", options=GNUNET_SERVICE_OPTION_NONE, task=0xc3f9 <run>, task_cls=0x0) at service.c:1815 #23 0x0000c626 in main (argc=3, argv=0xbec11654) at gnunet-service-transport.c:712 (gdb) quit | ||||
| Tags | No tags attached. | ||||
| Date Modified | Username | Field | Change |
|---|---|---|---|
| 2012-12-20 09:54 | Matthias Wachs | New Issue | |
| 2012-12-20 09:58 | Matthias Wachs | Note Added: 0006731 | |
| 2012-12-20 17:47 | Matthias Wachs | Note Added: 0006740 | |
| 2012-12-20 17:47 | Matthias Wachs | Status | new => resolved |
| 2012-12-20 17:47 | Matthias Wachs | Resolution | open => fixed |
| 2012-12-21 16:49 | Christian Grothoff | Status | resolved => closed |
