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[Xen-devel] OpenSolaris zombie domains
- To: xen-devel@xxxxxxxxxxxxxxxxxxx, xen-discuss@xxxxxxxxxxxxxxx
- From: Robert Nelson <robertn@xxxxxxxxxxxxxxx>
- Date: Sat, 10 Nov 2007 19:26:57 -0800
- Delivery-date: Sat, 10 Nov 2007 19:30:14 -0800
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I'm running xen 3.1 with Fedora 8 as dom0. When I shut down an
OpenSolaris domU it leaves a zombie domain with state = shutdown:1 and
dying:1. There is one page left allocated.
Here is the result of the "q" command on xen console:
(XEN) General information for domain 3:
(XEN) refcnt=1 nr_pages=1 xenheap_pages=0 dirty_cpus={}
(XEN) handle=a30786a8-e959-2c0c-6cbc-d0f4683d4213 vm_assist=00000004
(XEN) Rangesets belonging to domain 3:
(XEN) Interrupts { }
(XEN) I/O Memory { }
(XEN) I/O Ports { }
(XEN) Memory pages belonging to domain 3:
(XEN) DomPage 0000000118cfd000: mfn=0000000000118cfd, caf=00000001,
taf=0000000080000001
(XEN) VCPU information and callbacks for domain 3:
(XEN) VCPU0: CPU0 [has=F] flags=0 upcall_pend = 01, upcall_mask =
00 dirty_cpus={} cpu_affinity={0-31}
(XEN) 100 Hz periodic timer (period 10 ms)
(XEN) Notifying guest (virq 1, port 3, stat -1/0/-1)
>From my limited understanding of xen internals it appears that this is
a level 4 page table. I believe this is a xen bug since it also
happens if I destroy the domain rather than shutting down gracefully.
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