From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43544) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X0H9b-0000xZ-7p for qemu-devel@nongnu.org; Thu, 26 Jun 2014 17:24:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1X0H9S-0004eo-6U for qemu-devel@nongnu.org; Thu, 26 Jun 2014 17:24:23 -0400 Received: from mail-wi0-x22c.google.com ([2a00:1450:400c:c05::22c]:38378) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X0H9S-0004ee-06 for qemu-devel@nongnu.org; Thu, 26 Jun 2014 17:24:14 -0400 Received: by mail-wi0-f172.google.com with SMTP id hi2so1844619wib.11 for ; Thu, 26 Jun 2014 14:24:13 -0700 (PDT) Sender: Paolo Bonzini Message-ID: <53AC8F79.9060908@redhat.com> Date: Thu, 26 Jun 2014 23:24:09 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <20140626161954.198f2fbf@redhat.com> In-Reply-To: <20140626161954.198f2fbf@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [old BUG]: -watchdog-action pause hangs QEMU List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Luiz Capitulino , rjones@redhat.com Cc: qemu-devel Il 26/06/2014 22:19, Luiz Capitulino ha scritto: > Here goes a gdb backtrace: > > #0 0x00007f298ce31759 in syscall () from /lib64/libc.so.6 > #1 0x00007f29939b0b56 in futex_wait (ev=0x7f2994548f18, val=4294967295) > at /home/lcapitulino/work/src/upstream/qmp-unstable/util/qemu-thread-posix.c:304 > #2 0x00007f29939b0c68 in qemu_event_wait (ev=0x7f2994548f18) > at /home/lcapitulino/work/src/upstream/qmp-unstable/util/qemu-thread-posix.c:400 > #3 0x00007f299392a066 in qemu_clock_enable (type=QEMU_CLOCK_VIRTUAL, enabled=false) > at /home/lcapitulino/work/src/upstream/qmp-unstable/qemu-timer.c:171 > #4 0x00007f2993653cc1 in pause_all_vcpus () at /home/lcapitulino/work/src/upstream/qmp-unstable/cpus.c:1078 > #5 0x00007f2993652d3f in do_vm_stop (state=RUN_STATE_WATCHDOG) at /home/lcapitulino/work/src/upstream/qmp-unstable/cpus.c:532 > #6 0x00007f2993654273 in vm_stop (state=RUN_STATE_WATCHDOG) at /home/lcapitulino/work/src/upstream/qmp-unstable/cpus.c:1221 > #7 0x00007f29938c638d in watchdog_perform_action () at /home/lcapitulino/work/src/upstream/qmp-unstable/hw/watchdog/watchdog.c:126 > #8 0x00007f29938c679d in i6300esb_timer_expired (vp=0x7f2994d17d40) > at /home/lcapitulino/work/src/upstream/qmp-unstable/hw/watchdog/wdt_i6300esb.c:197 > #9 0x00007f299392a8ce in timerlist_run_timers (timer_list=0x7f2994548ec0) > at /home/lcapitulino/work/src/upstream/qmp-unstable/qemu-timer.c:491 > #10 0x00007f299392a916 in qemu_clock_run_timers (type=QEMU_CLOCK_VIRTUAL) > at /home/lcapitulino/work/src/upstream/qmp-unstable/qemu-timer.c:502 > #11 0x00007f299392abfe in qemu_clock_run_all_timers () at /home/lcapitulino/work/src/upstream/qmp-unstable/qemu-timer.c:608 > #12 0x00007f299392956a in main_loop_wait (nonblocking=0) at /home/lcapitulino/work/src/upstream/qmp-unstable/main-loop.c:490 > #13 0x00007f299374b40c in main_loop () at /home/lcapitulino/work/src/upstream/qmp-unstable/vl.c:2007 > #14 0x00007f2993752e5d in main (argc=23, argv=0x7fffc6a5a738, envp=0x7fffc6a5a7f8) > at /home/lcapitulino/work/src/upstream/qmp-unstable/vl.c:4526 > Can you include the backtrace for the VCPU thread(s) too? Paolo