Re: virsh start/list hangs

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On Wed, Jun 13, 2018 at 03:50:04PM +0200, Michal Privoznik wrote:
On 06/13/2018 03:45 PM, Bo YU wrote:
On Wed, Jun 13, 2018 at 01:54:37PM +0200, Michal Privoznik wrote:
On 06/13/2018 05:00 AM, Bo YU wrote:
Hello,
The libvirt is a cool tool, i like it.

Thank you :-)


Here is output of strace:


Nothing odd looking here. Can you run 'virsh list', then attach gdb to
libvirtd and run 't a a bt' and share the output please?
I wonder if this is the bug that qemu fixed just recently - are you
running qemu from git too? There was a problem where libvirt deadlocked
when fetching qemu capabilities (so no virsh list, virsh start, .. was
possible). Anyway, this can be confirmed by gdb output.
Great!
After i git fetch && rebase qemu and recompile it.I satrt my VM with
libvirt.

Yeah, it was fixed in qemu just recently (v2.12.0-1193-g0f5319ea25).
Confirmed it.
qemu-system-x86_64  --version
QEMU emulator version 2.12.50 (v2.12.0-1296-g2ab09bf2f9-dirty)
Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers


You save my life.  Before you hint me, i fouce my energy on libvirt.
But it has differ  with libvirt with apt installed.Does i have to
/usr/sbin/libvirtd -d
to start libvirt-daemon by hand?

No, we have a systemd unit so you can enable that.
Ok, this is another good message i hear from you.
Thank you!
Bo

Michal

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