Re: [Xen-devel] soft lockups during live migrate..

[Tim Deegan <Tim.Deegan@xxxxxxxxxx>]

Hi,

At 02:04 +0100 on 24 Oct (1256349879), Mukesh Rathor wrote:
> Nah, with c/s 20365 and oos=0 in vm.cfg, it fails right away:
> 
> [root@OVM_EL5U3_X86_64_PVM_4GB]# xm migrate -l 3 vega7183
> Error: /usr/lib/xen/bin/xc_save 82 3 0 0 1 failed
> On source xend.log:
> 
> [2009-09-23 16:22:33 16993] DEBUG (balloon:181) Balloon: 199147540 KiB free; 
> need 16384; done.
> [2009-09-23 16:22:34 16993] DEBUG (XendCheckpoint:110) [xc_save]: 
> /usr/lib/xen/bin/xc_save 82 3 0 0 1
> [2009-09-23 16:22:34 16993] INFO (XendCheckpoint:418) xc_save: failed to get 
> the suspend evtchn port

Hmm.  Are you sure your xen and tools match?  Does save/restore work
with oos=1?

> on TARGET looks pretty screwy:
> 
> [2009-10-23 16:21:15 11795] INFO (XendCheckpoint:418) ERROR Internal error: 
> read: p2m_size

That rather unhelpful message is what you get if the sending side aborts
before sending any data (p2m_size is the first field in the save format).

Cheers,

Tim.

-- 
Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, Citrix Systems (R&D) Ltd.
[Company #02300071, SL9 0DZ, UK.]

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