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From: Paolo Bonzini <bonzini@gnu.org>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [Bug 1481272] Re: main-loop: WARNING: I/O thread spun for 1000 iterations
Date: Mon, 07 Sep 2015 11:59:38 -0000	[thread overview]
Message-ID: <20150907115938.20219.49932.malone@soybean.canonical.com> (raw)
In-Reply-To: 20150804095638.25012.1470.malonedeb@chaenomeles.canonical.com

Please try removing the "notified = true;" line from main-loop.c's
os_host_main_loop_wait, and see if the warning comes out forever or just
a few times.

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https://bugs.launchpad.net/bugs/1481272

Title:
  main-loop: WARNING: I/O thread spun for 1000 iterations

Status in QEMU:
  New

Bug description:
  I compile the latest qemu to launch a VM but the monitor output the
  "main-loop: WARNING: I/O thread spun for 1000 iterations".

  # /usr/local/bin/qemu-system-x86_64 -name rhel6 -S -no-kvm -m 1024M -realtime mlock=off -smp 1,sockets=1,cores=1,threads=1 -uuid c9dd2a5c-40f2-fd3d-3c54-9cd84f8b9174 -rtc base=utc  -drive file=/home/samba-share/ubuntu.img,if=none,id=drive-virtio-disk0,format=qcow2,cache=none -device virtio-blk-pci,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=disk,serial=425618d4-871f-4021-bc5d-bcd7f1b5ca9c,bootindex=0 -vnc :1 -boot menu=on -monitor stdio
  QEMU 2.3.93 monitor - type 'help' for more information
  (qemu) c
  (qemu) main-loop: WARNING: I/O thread spun for 1000 iterations               <-----------------------

  qemu]# git branch -v
  * master               e95edef Merge remote-tracking branch 'remotes/sstabellini/tags/xen-migration-2.4-tag' into staging

To manage notifications about this bug go to:
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  parent reply	other threads:[~2015-09-07 12:05 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-04  9:56 [Qemu-devel] [Bug 1481272] [NEW] main-loop: WARNING: I/O thread spun for 1000 iterations Sibiao Luo
2015-08-04  9:57 ` [Qemu-devel] [Bug 1481272] " Sibiao Luo
2015-08-04  9:58 ` Sibiao Luo
2015-08-04 13:15 ` [Qemu-devel] [Bug 1481272] [NEW] " Stefan Hajnoczi
2015-08-17  7:59 ` [Qemu-devel] [Bug 1481272] " Sibiao Luo
2015-08-17  8:22 ` Sibiao Luo
2015-09-04 20:57 ` Arghya Banerjee
2015-09-07 11:59 ` Paolo Bonzini [this message]
2015-11-29 22:47 ` Bruce Hohl
2016-01-01 10:05 ` T-artem
2016-01-30 20:29 ` Martin von Gagern
2017-04-07 14:16 ` Marcin Mielniczuk
2017-04-07 14:18 ` Marcin Mielniczuk
2017-04-10 13:48 ` Marcin Mielniczuk
2017-04-10 14:07 ` Peter Maydell
2017-04-21 12:24 ` Andreas Gustafsson
2018-03-31 17:48 ` Andreas Gustafsson
2018-04-03  8:38 ` ChristianEhrhardt
2018-04-03  8:39 ` ChristianEhrhardt
2018-04-03 17:38 ` Thomas Huth
2018-10-10 14:31 ` Afsah Anwar

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