From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52010) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YSMca-0004Ph-JM for qemu-devel@nongnu.org; Mon, 02 Mar 2015 04:26:41 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YSMcX-0002UH-CV for qemu-devel@nongnu.org; Mon, 02 Mar 2015 04:26:40 -0500 Received: from mail-wi0-x22c.google.com ([2a00:1450:400c:c05::22c]:45967) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YSMcX-0002U8-5B for qemu-devel@nongnu.org; Mon, 02 Mar 2015 04:26:37 -0500 Received: by wibbs8 with SMTP id bs8so13204036wib.4 for ; Mon, 02 Mar 2015 01:26:36 -0800 (PST) Sender: Paolo Bonzini Message-ID: <54F42CC7.20504@redhat.com> Date: Mon, 02 Mar 2015 10:26:31 +0100 From: Paolo Bonzini MIME-Version: 1.0 References: <54AE87C1.2060907@wiesinger.com> <54AEBD43.2060705@redhat.com> <54AEC877.9080600@wiesinger.com> <54AECAF3.3060909@redhat.com> <54AF047D.8010009@wiesinger.com> <54B3B2F5.1090405@wiesinger.com> <54B57C51.7090002@wiesinger.com> <54B584AB.4090303@redhat.com> <54B58AC0.5080805@wiesinger.com> <54B58B18.9060205@redhat.com> <54B595C7.3080101@wiesinger.com> <54B5BF5F.9000805@redhat.com> <54B633CE.3040901@wiesinger.com> <54E05659.9050701@wiesinger.com> <54E1FC2B.3030805@redhat.com> <54E20812.4090006@wiesinger.com> <54E20CD5.3050909@redhat.com> <54F2EBA5.4050907@wiesinger.com> In-Reply-To: <54F2EBA5.4050907@wiesinger.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] Fedora FC21 - Bug: 100% CPU and hangs in gettimeofday(&tp, NULL); forever List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gerhard Wiesinger , Laine Stump , qemu-devel@nongnu.org, Cole Robinson , virt@lists.fedoraproject.org On 01/03/2015 11:36, Gerhard Wiesinger wrote: > So far it happened only the PostgreSQL database VM. Kernel is alive > (ping works well). ssh is not working. > console window: after entering one character at login prompt, then crashed: > [1438.384864] Out of memory: Kill process 10115 (pg_dump) score 112 or > sacrifice child > [1438.384990] Killed process 10115 (pg_dump) total-vm: 340548kB, > anon-rss: 162712kB, file-rss: 220kB Can you get a vmcore or at least sysrq-t output? Paolo > VM uptime is ~1 day, 2 cores 100%CPU. > VM is very stripped down, nevertheless is should have enough memory (and > also swap). Looks like it crashed at the nighlty backup (pg_dumpall), > command is: ssh -x ${REMOTE_USER}@${REMOTE_HOST} "pg_dumpall" | bzip2 -9 >> ${DEST_SQL} > free > total used free shared buff/cache > available > Mem: 372264 28536 214780 20884 128948 303360 > Swap: 1081340 0 1081340 > > Ciao, > Gerhard > > [Thread debugging using libthread_db enabled] > Using host libthread_db library "/lib64/libthread_db.so.1". > 0x00007feee62412c1 in ppoll () from /lib64/libc.so.6 > > Thread 4 (Thread 0x7feed3fff700 (LWP 4636)): > #0 0x00007feee6242977 in ioctl () at /lib64/libc.so.6 > #1 0x00007feef11d1c35 in kvm_vcpu_ioctl () > #2 0x00007feef11d1cec in kvm_cpu_exec () > #3 0x00007feef11bfb02 in qemu_kvm_cpu_thread_fn () > #4 0x00007feeefcb352a in start_thread () at /lib64/libpthread.so.0 > #5 0x00007feee624c79d in clone () at /lib64/libc.so.6 > > Thread 3 (Thread 0x7feed37fe700 (LWP 4637)): > #0 0x00007feee6242977 in ioctl () at /lib64/libc.so.6 > #1 0x00007feef11d1c35 in kvm_vcpu_ioctl () > #2 0x00007feef11d1cec in kvm_cpu_exec () > #3 0x00007feef11bfb02 in qemu_kvm_cpu_thread_fn () > #4 0x00007feeefcb352a in start_thread () at /lib64/libpthread.so.0 > #5 0x00007feee624c79d in clone () at /lib64/libc.so.6 > > Thread 2 (Thread 0x7feed1bff700 (LWP 4653)): > #0 0x00007feeefcb8590 in pthread_cond_wait@@GLIBC_2.3.2 () at > /lib64/libpthread.so.0 > #1 0x00007feef1466d79 in qemu_cond_wait () > #2 0x00007feef13eadd3 in vnc_worker_thread_loop () > #3 0x00007feef13eb1b8 in vnc_worker_thread () > #4 0x00007feeefcb352a in start_thread () at /lib64/libpthread.so.0 > #5 0x00007feee624c79d in clone () at /lib64/libc.so.6 > > Thread 1 (Thread 0x7feef103fa80 (LWP 4563)): > #0 0x00007feee62412c1 in ppoll () at /lib64/libc.so.6 > #1 0x00007feef13fc89c in qemu_poll_ns () > #2 0x00007feef13fc034 in main_loop_wait () > #3 0x00007feef1197cdd in main () > > >