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Date: Tue, 02 May 2017 09:25:42 -0000
From: Lidong Chen <jemmy858585@gmail.com>
Reply-To: Bug 1687578 <1687578@bugs.launchpad.net>
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Subject: [Qemu-devel] [Bug 1687578] [NEW] when migrate vm, reboot in guest os,
 the guest os sometime hang
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To: qemu-devel@nongnu.org

Public bug reported:

qemu version:v2.9.0-rc5 release

1.virsh migrate --live 165cf436-312f-47e7-90f2-f8aa63f34893 --copy-storage-=
inc qemu+ssh://10.59.163.38/system
2.run reboot in guest os, add reboot in /etc/rc.local
3.guest os hang sometime.

strace output of qemu:

ppoll([{fd=3D9, events=3DPOLLIN}, {fd=3D8, events=3DPOLLIN}, {fd=3D4, event=
s=3DPOLLIN}, {fd=3D6, events=3DPOLLIN}, {fd=3D30, events=3DPOLLIN}, {fd=3D3=
1, events=3DPOLLIN}], 6, {0, 0}, NULL, 8) =3D 0 (Timeout)
ppoll([{fd=3D9, events=3DPOLLIN}, {fd=3D8, events=3DPOLLIN}, {fd=3D4, event=
s=3DPOLLIN}, {fd=3D6, events=3DPOLLIN}, {fd=3D30, events=3DPOLLIN}, {fd=3D3=
1, events=3DPOLLIN}], 6, {0, 698000000}, NULL, 8) =3D 0 (Timeout)
poll([{fd=3D20, events=3DPOLLOUT}], 1, 0)   =3D 1 ([{fd=3D20, revents=3DPOL=
LOUT|POLLHUP}])
ppoll([{fd=3D9, events=3DPOLLIN}, {fd=3D8, events=3DPOLLIN}, {fd=3D4, event=
s=3DPOLLIN}, {fd=3D6, events=3DPOLLIN}, {fd=3D30, events=3DPOLLIN}, {fd=3D3=
1, events=3DPOLLIN}], 6, {0, 999000000}, NULL, 8^C <unfinished ...>

** Affects: qemu
     Importance: Undecided
         Status: New

-- =

You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1687578

Title:
  when migrate vm, reboot in guest os, the guest os sometime hang

Status in QEMU:
  New

Bug description:
  qemu version:v2.9.0-rc5 release

  1.virsh migrate --live 165cf436-312f-47e7-90f2-f8aa63f34893 --copy-storag=
e-inc qemu+ssh://10.59.163.38/system
  2.run reboot in guest os, add reboot in /etc/rc.local
  3.guest os hang sometime.

  strace output of qemu:

  ppoll([{fd=3D9, events=3DPOLLIN}, {fd=3D8, events=3DPOLLIN}, {fd=3D4, eve=
nts=3DPOLLIN}, {fd=3D6, events=3DPOLLIN}, {fd=3D30, events=3DPOLLIN}, {fd=
=3D31, events=3DPOLLIN}], 6, {0, 0}, NULL, 8) =3D 0 (Timeout)
  ppoll([{fd=3D9, events=3DPOLLIN}, {fd=3D8, events=3DPOLLIN}, {fd=3D4, eve=
nts=3DPOLLIN}, {fd=3D6, events=3DPOLLIN}, {fd=3D30, events=3DPOLLIN}, {fd=
=3D31, events=3DPOLLIN}], 6, {0, 698000000}, NULL, 8) =3D 0 (Timeout)
  poll([{fd=3D20, events=3DPOLLOUT}], 1, 0)   =3D 1 ([{fd=3D20, revents=3DP=
OLLOUT|POLLHUP}])
  ppoll([{fd=3D9, events=3DPOLLIN}, {fd=3D8, events=3DPOLLIN}, {fd=3D4, eve=
nts=3DPOLLIN}, {fd=3D6, events=3DPOLLIN}, {fd=3D30, events=3DPOLLIN}, {fd=
=3D31, events=3DPOLLIN}], 6, {0, 999000000}, NULL, 8^C <unfinished ...>

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