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Re: [Xen-devel] Re: [Xen-users] Re: Xen 3.1 released!
| To: | Tomasz Chmielewski <mangoo@xxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Re: [Xen-users] Re: Xen 3.1 released! |
| From: | Keir Fraser <keir@xxxxxxxxxxxxx> |
| Date: | Fri, 25 May 2007 14:05:19 +0100 |
| Cc: | "Petersson, Mats" <Mats.Petersson@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Fri, 25 May 2007 06:03:45 -0700 |
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| Thread-topic: | [Xen-devel] Re: [Xen-users] Re: Xen 3.1 released! |
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On 25/5/07 13:57, "Tomasz Chmielewski" <mangoo@xxxxxxxx> wrote: >>>> I inspected the logs, and it was the OOM-killer. Should it ever happen >>>> when saving a guest domain? Xen host has 256 MB RAM for dom0 (3 GB >>>> total), Xen guest 1.7 GB. >>> It appears that saving of HVM somains needs more memory: in this >>> particular case, when I increased memory for dom0, about 350 MB RAM was >>> used in total during the domain save. >> >> That's kind of surprising, but I guess totally plausible if you don't >> configure a swap partition for dom0? > > No - dom0 has a 2 GB swap partition. Hmmm... That's not so explicable. Obviously something in save/restore is causing unpageable allocations to happen. Could be pagetables for mappings of HVM guest memory, or something like that. Needs investigating further, I think. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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