RE: [Xen-devel] can't create any more pv-on-hvm domains after~38under 3.3-testing

["James Harper" <james.harper@xxxxxxxxxxxxxxxx>]

> 
> Once I reach that limit, any new domain created gives me "Cannot
handle
> page request order 0" from Xen, presumably from
xen/common/page_alloc.c in
> the alloc_xenheap_pages function.
> 

Another thing I just noticed, after 'xm create leaktest && xm destroy
leaktest':

(XEN) General information for domain 5:
(XEN)     refcnt=1 nr_pages=2 xenheap_pages=0 dirty_cpus={}
(XEN)     handle=dfe46b73-1207-6a4a-f1ce-6e4b3d090e86 vm_assist=00000004
(XEN) Rangesets belonging to domain 5:
(XEN)     Interrupts { }
(XEN)     I/O Memory { }
(XEN)     I/O Ports  { }
(XEN) Memory pages belonging to domain 5:
(XEN)     DomPage 00000000001bb5c3: caf=00000001, taf=00000000e8000001
(XEN)     DomPage 00000000001bb5c2: caf=00000001, taf=00000000e8000001
(XEN) VCPU information and callbacks for domain 5:
(XEN)     VCPU0: CPU1 [has=F] flags=1 upcall_pend = 00, upcall_mask = 00
dirty_cpus={} cpu_affinity={0-31}
(XEN)     250 Hz periodic timer (period 4 ms)
(XEN)     Notifying guest (virq 1, port 0, stat 0/-1/0)

notice 2 DomPage entries? After I then create another domain (any
domain):

(XEN) General information for domain 5:
(XEN)     refcnt=1 nr_pages=1 xenheap_pages=0 dirty_cpus={}
(XEN)     handle=dfe46b73-1207-6a4a-f1ce-6e4b3d090e86 vm_assist=00000004
(XEN) Rangesets belonging to domain 5:
(XEN)     Interrupts { }
(XEN)     I/O Memory { }
(XEN)     I/O Ports  { }
(XEN) Memory pages belonging to domain 5:
(XEN)     DomPage 00000000001bb5c3: caf=00000001, taf=00000000e8000001
(XEN) VCPU information and callbacks for domain 5:
(XEN)     VCPU0: CPU1 [has=F] flags=1 upcall_pend = 00, upcall_mask = 00
dirty_cpus={} cpu_affinity={0-31}
(XEN)     250 Hz periodic timer (period 4 ms)
(XEN)     Notifying guest (virq 1, port 0, stat 0/-1/0)

Notice only 1 DomPage entry now? Does that mean anything?

Thanks

James

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