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[Xen-ia64-devel] Latest updates: xend hanging on DomU shutdown

To: "xen-ia64-devel@xxxxxxxxxxxxxxxxxxx" <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-ia64-devel] Latest updates: xend hanging on DomU shutdown
From: Kayvan Sylvan <kayvan@xxxxxxxxx>
Date: Thu, 7 Feb 2008 12:12:43 -0800
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Thread-topic: Latest updates: xend hanging on DomU shutdown

Prior to the latest updates, when I would shutdown an HVM Linux guest via “xm console”, it would shutdown and close the console, leaving me at the shell prompt, and “xm list” would work, showing all the other domains still running.


Using the latest checkout of xen-unstable.hg (changeset 16985:e3e8bdb5d52d), this is now what happens:


Connected to the guest console (“xm console”), I type “shutdown –h now”:



Turning off quotas: 

Unmounting pipe file systems: 

Unmounting file systems: 

Halting system...

md: stopping all md devices.

md: md0 switched to read-only mode.

Shutdown: hda

Power down.

acpi_power_off called


At this point, the console process never ends.


In /var/log/xen/xend.log, I see:


[2008-02-07 20:52:40 5027] INFO (XendDomain:1167) Domain CentOS (1) unpaused.

[2008-02-07 20:57:02 5027] INFO (XendDomainInfo:1285) Domain has shutdown: name=CentOS id=1 reason=poweroff.

[2008-02-07 20:57:02 5027] DEBUG (XendDomainInfo:1922) XendDomainInfo.destroy: domid=1

[2008-02-07 20:57:02 5027] DEBUG (XendDomainInfo:1939) XendDomainInfo.destroyDomain(1)

[2008-02-07 20:57:03 5027] DEBUG (XendDomainInfo:1539) Destroying device model


And it looks as if xend is waiting for something, because it never responds to “xm” commands:


# xm list

(no output)


I hope this report is useful.


Best regards,



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