[libvirt-users] [libvirt-1.3.2]'Disconnected from qemu:///session due to I/O error'

[Predrag Ivanovic]

Hi.

Since the update to libvirt-1.3.2, virsh keeps disconnecting from qemu:///session.
Weirdly enough, qemu:///session works fine for root, and qemu:///system works for both the user and the root.
With the same configuration(tarball with files from /etc/libvirt attached), libvirt-1.3.1 works without problems. 

From the virsh debug log(attached):
---
grep error virsh.log.1.3.2 
2016-03-03 19:19:20.338+0000: 5589: error : virNetSocketReadWire:1613 : End of file while reading data: Input/output error
2016-03-03 19:19:46.261+0000: 5578: error : virConnectUnregisterCloseCallback:1282 : Requested operation is not valid: A different callback was requested
2016-03-03 19:22:59.308+0000: 14487: error : virNetSocketReadWire:1613 : End of file while reading data: Input/output error
2016-03-03 19:23:29.247+0000: 14486: error : virConnectUnregisterCloseCallback:1282 : Requested operation is not valid: A different callback was requested
2016-03-03 19:24:49.521+0000: 14487: error : virKeepAliveTimerInternal:143 : internal error: connection closed due to keepalive timeout
2016-03-03 19:25:17.043+0000: 14486: error : virConnectUnregisterCloseCallback:1282 : Requested operation is not valid: A different callback was requested
2016-03-03 19:25:47.110+0000: 14487: error : virNetSocketReadWire:1613 : End of file while reading data: Input/output error
2016-03-03 19:26:18.573+0000: 14486: error : virConnectUnregisterCloseCallback:1282 : Requested operation is not valid: A different callback was requested
2016-03-03 19:28:24.142+0000: 14665: error : virNetSocketReadWire:1613 : End of file while reading data: Input/output error
2016-03-03 19:28:55.091+0000: 14664: error : virConnectUnregisterCloseCallback:1282 : Requested operation is not valid: A different callback was requested
---
From the virt-manager.log (attached):
---
[Thu, 03 Mar 2016 18:39:38 virt-manager 24388] DEBUG (connection:1310) Error polling connection qemu:///session
    if ret is None: raise libvirtError ('virNodeGetInfo() failed', conn=self)
libvirtError: internal error: client socket is closed
    if ret == -1: raise libvirtError ('virConnectDomainEventDeregisterAny() failed', conn=self)
libvirtError: internal error: client socket is closed
[Thu, 03 Mar 2016 19:07:14 virt-manager 5191] ERROR (create:667) Error setting create wizard conn state.
    if ret is None: raise libvirtError ('virConnectGetCapabilities() failed', conn=self)
libvirtError: internal error: client socket is closed
[Thu, 03 Mar 2016 19:07:15 virt-manager 5191] DEBUG (connection:1310) Error polling connection qemu:///session
    if ret is None: raise libvirtError ('virNodeGetInfo() failed', conn=self)
libvirtError: internal error: client socket is closed
    if ret == -1: raise libvirtError ('virConnectDomainEventDeregisterAny() failed', conn=self)
libvirtError: internal error: client socket is closed
[Thu, 03 Mar 2016 19:08:19 virt-manager 5191] DEBUG (connection:1310) Error polling connection qemu:///session
    if ret is None: raise libvirtError ('virNodeGetInfo() failed', conn=self)
libvirtError: internal error: client socket is closed
    if ret == -1: raise libvirtError ('virConnectDomainEventDeregisterAny() failed', conn=self)
libvirtError: internal error: client socket is closed
[Thu, 03 Mar 2016 19:11:19 virt-manager 5191] DEBUG (connection:1310) Error polling connection qemu:///system
    if ret is None: raise libvirtError ('virNodeGetInfo() failed', conn=self)
libvirtError: internal error: client socket is closed
    if ret == -1: raise libvirtError ('virConnectDomainEventDeregisterAny() failed', conn=self)
libvirtError: internal error: client socket is closed
---
qemu:///system errors above are due to restarting libvirtd, once virt-manager connected to it, it stayed connected. 

This is with qemu-2.5.0.

I could try libvirt master from git, but will it break libvirt-python/virt-manager?
Btw, is building libvirt with '--enable-debug' sufficient for useful gdb debug report, or do you need anything else?
Thank you.

Pedja 
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