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[Fedora-xen] Re: [Xen-users] memory issues with FC5.2200 kernels



I should add this from xm dmesg:

 Xen version 3.0-unstable (brewbuilder build redhat com) (gcc version 4.1.1 20060525 (Red Hat 4.1.1-1)) Sat Oct 14 16:56:23 EDT 2006
 Latest ChangeSet: unavailable 

(XEN) Command line: /xen.gz-2.6.18-1.2200.fc5
(XEN) Physical RAM map:
(XEN)  0000000000000000 - 000000000009fc00 (usable)
(XEN)  000000000009fc00 - 00000000000a0000 (reserved)
(XEN)  00000000000f0000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 000000007eff0000 (usable)
(XEN)  000000007eff0000 - 000000007eff3000 (ACPI NVS)
(XEN)  000000007eff3000 - 000000007f000000 (ACPI data)
(XEN)  00000000fec00000 - 00000000fec01000 (reserved)
(XEN)  00000000fee00000 - 00000000fee01000 (reserved)
(XEN)  00000000ffff0000 - 0000000100000000 (reserved)
(XEN) System RAM: 2031MB (2080316kB)
(XEN) Xen heap: 9MB (10108kB)
(XEN) PAE disabled.


Thanks,


adrian


On Tue, Nov 07, 2006, Adrian Chadd wrote:
> hiya,
> 
> I've just upgraded a production Xen to FC5.2200 + the Xen userspace
> stuff and its exhibiting some nasty problems. A couple of hours uptime
> is followed by all domU networking stopping.
> 
> Here's dmesg in dom0:
> 
> xen_net: Memory squeeze in netback driver.
> printk: 4 messages suppressed.
> xen_net: Memory squeeze in netback driver.
> printk: 4 messages suppressed.
> 
> And xm dmesg:
> 
> (XEN) (file=memory.c, line=66) Could not allocate order=0 extent: id=0 memflags=0 (0 of 63)
> (XEN) (file=memory.c, line=66) Could not allocate order=0 extent: id=0 memflags=0 (0 of 63)
> (XEN) (file=memory.c, line=66) Could not allocate order=0 extent: id=0 memflags=0 (0 of 63)
> (XEN) (file=memory.c, line=66) Could not allocate order=0 extent: id=0 memflags=0 (0 of 63)
> (XEN) (file=memory.c, line=66) Could not allocate order=0 extent: id=0 memflags=0 (0 of 63)
> 
> Googling has shown inconclusive results - a couple of possible fixes but no explanation
> why (and no consistent fix.)
> 
> Any ideas?
> 
> Thanks,
> 
> 
> Adrian
> 
> 
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