From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:59360) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tmuou-0003Bf-MO for qemu-devel@nongnu.org; Sun, 23 Dec 2012 18:19:01 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Tmuot-0001rM-7o for qemu-devel@nongnu.org; Sun, 23 Dec 2012 18:19:00 -0500 Received: from mail.profihost.ag ([85.158.179.208]:46676) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tmuos-0001rI-Uq for qemu-devel@nongnu.org; Sun, 23 Dec 2012 18:18:59 -0500 Message-ID: <50D7915C.7000406@profihost.ag> Date: Mon, 24 Dec 2012 00:18:52 +0100 From: Stefan Priebe MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] 64bit guest hangs while migrating List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel Hello list, i'm using qemu v1.3.0. Since upgrading from kvm qemu 1.2 my 64bit linux guests hang while online migrating. Has anybody an idea / can help? Things happing while this happens: - kvm process uses 100%CPU - human monitor does not work as the process does not respond at/on socket - strace of kvm process look like this: .............................................. [pid 28351] futex(0x7ff8b8025388, FUTEX_WAKE_PRIVATE, 1) = 0 [pid 28351] futex(0x7ff8b8026024, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 11801, {1356016143, 843092000}, ffffffff [pid 28285] mremap(0x7ff77bfe4000, 160378880, 160411648, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 160411648, 160448512, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 160448512, 160481280, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 160481280, 160514048, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 160514048, 160546816, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 160546816, 160583680, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 160583680, 160616448, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 160616448, 160649216, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 160649216, 160681984, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 160681984, 160718848, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 160718848, 160751616, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 160751616, 160784384, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 160784384, 160817152, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 160817152, 160854016, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 160854016, 160886784, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 160886784, 160919552, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 160919552, 160952320, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 160952320, 160989184, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 160989184, 161021952, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161021952, 161054720, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161054720, 161087488, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161087488, 161124352, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161124352, 161157120, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161157120, 161189888, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161189888, 161222656, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161222656, 161259520, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161259520, 161292288, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161292288, 161325056, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28351] <... futex resumed> ) = -1 ETIMEDOUT (Connection timed out) [pid 28351] futex(0x7ff8b8025388, FUTEX_WAKE_PRIVATE, 1) = 0 [pid 28351] futex(0x7ff8b8026024, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 11803, {1356016144, 843283000}, ffffffff [pid 28285] mremap(0x7ff77bfe4000, 161325056, 161357824, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161357824, 161394688, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161394688, 161427456, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161427456, 161460224, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28345] <... restart_syscall resumed> ) = -1 ETIMEDOUT (Connection timed out) [pid 28345] futex(0x7ff8caa2e274, FUTEX_CMP_REQUEUE_PRIVATE, 1, 2147483647, 0x7ff8caa2e1b0, 872) = 1 [pid 28347] <... futex resumed> ) = 0 [pid 28345] futex(0x7ff8caa241a8, FUTEX_WAKE_PRIVATE, 1 [pid 28347] futex(0x7ff8caa2e1b0, FUTEX_WAKE_PRIVATE, 1 [pid 28345] <... futex resumed> ) = 0 [pid 28347] <... futex resumed> ) = 0 [pid 28345] futex(0x7ff8caa2420c, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 799, {1356016153, 954319000}, ffffffff [pid 28347] sendmsg(19, {msg_name(0)=NULL, msg_iov(1)=[{"\t", 1}], msg_controllen=0, msg_flags=0}, MSG_NOSIGNAL) = 1 [pid 28347] futex(0x7ff8caa2e274, FUTEX_WAIT_PRIVATE, 873, NULL [pid 28285] mremap(0x7ff77bfe4000, 161460224, 161492992, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161492992, 161529856, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161529856, 161562624, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161562624, 161595392, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161595392, 161628160, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161628160, 161665024, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161665024, 161697792, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161697792, 161730560, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161730560, 161763328, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161763328, 161800192, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161800192, 161832960, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161832960, 161865728, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161865728, 161898496, MREMAP_MAYMOVE) = 0x7ff77bfe4000 [pid 28285] mremap(0x7ff77bfe4000, 161898496, 161935360, MREMAP_MAYMOVE) = 0x7ff77bfe4000 ......................................................................... 32bit guests work fine. Thanks! Greets, Stefan