From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir@xensource.com>
Subject: Re: PV domain save/restore break
Date: Tue, 10 Apr 2007 10:13:14 +0100
Message-ID: <C24113BA.D027%keir@xensource.com>
References: <20070410020504.GB4593@edwin-srv.sh.intel.com>
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To: "Zhai, Edwin" <edwin.zhai@intel.com>
Cc: xen-devel@lists.xensource.com
List-Id: xen-devel@lists.xenproject.org

Our regression tests ran fine on r14773, and our tests include lots of PV
save/restores.

 -- Keir

On 10/4/07 03:05, "Zhai, Edwin" <edwin.zhai@intel.com> wrote:

> I encounter PV domain restore failure on r14770. Are you guys aware of this?
> 
> 
> ========================================================================
> [2007-04-10 09:57:24 4664] DEBUG (balloon:113) Balloon: 754076 KiB free; need
> 65536; done.
> [2007-04-10 09:57:24 4664] DEBUG (XendCheckpoint:220) [xc_restore]:
> /usr/lib/xen/bin/xc_restore 24 4 1 2 0 0 0
> [2007-04-10 09:57:24 4664] INFO (XendCheckpoint:336) xc_domain_restore start:
> p2m_size = 4800
> [2007-04-10 09:57:24 4664] INFO (XendCheckpoint:336) Reloading memory pages:
> 0%
> [2007-04-10 09:57:25 4664] INFO (XendCheckpoint:336) Failed allocation for dom
> 4: 125 extents of order 0
> [2007-04-10 09:57:25 4664] INFO (XendCheckpoint:336) ERROR Internal error:
> Failed to allocate memory for batch.!
> [2007-04-10 09:57:25 4664] INFO (XendCheckpoint:336)
> [2007-04-10 09:57:25 4664] INFO (XendCheckpoint:336) PT L1 race on
> pfn=000003ec mfn=0002e475
> [2007-04-10 09:57:25 4664] INFO (XendCheckpoint:336) Failed allocation for dom
> 4: 49 extents of order 0
> [2007-04-10 09:57:25 4664] INFO (XendCheckpoint:336) ERROR Internal error:
> Failed to allocate memory for batch.!
> [2007-04-10 09:57:25 4664] INFO (XendCheckpoint:336)
> [2007-04-10 09:57:25 4664] INFO (XendCheckpoint:336) Restore exit with rc=1
> [2007-04-10 09:57:25 4664] DEBUG (XendDomainInfo:1652) XendDomainInfo.destroy:
> domid=4
> [2007-04-10 09:57:25 4664] DEBUG (XendDomainInfo:1669)
> XendDomainInfo.destroyDomain(4)
> [2007-04-10 09:57:25 4664] ERROR (XendDomainInfo:1681) XendDomainInfo.destroy:
> xc.domain_destroy failed.
> Traceback (most recent call last):
>   File 
> "/home/gzhai/srcs/hg/tip/dist/install/usr/lib/python/xen/xend/XendDomainInfo.p
> y", line 1675, in destroyDomain
> Error: (3, 'No such process')
> [2007-04-10 09:57:25 4664] ERROR (XendDomain:1086) Restore failed
> Traceback (most recent call last):
>   File 
> "/home/gzhai/srcs/hg/tip/dist/install/usr/lib/python/xen/xend/XendDomain.py",
> line 1081, in domain_restore_fd
>   File 
> "/home/gzhai/srcs/hg/tip/dist/install/usr/lib/python/xen/xend/XendCheckpoint.p
> y", line 224, in restore
>   File 
> "/home/gzhai/srcs/hg/tip/dist/install/usr/lib/python/xen/xend/XendCheckpoint.p
> y", line 324, in forkHelper
> XendError: /usr/lib/xen/bin/xc_restore 24 4 1 2 0 0 0 failed
>