[Xen-devel] xfrd inifinite loop reloading pages

["Charles Coffing" <ccoffing@xxxxxxxxxx>]

I'm seeing an infinite loop in xfrd on the destination physical machine,
when migrating a domain.  It passes 100% while reloading memory pages,
and keeps going.  I've seen this on an older build (an early 2.0.x IIRC)
but have never yet had time to dig into it.  Anyone else seen this?

Here's /var/log/xfrd.log:


9657 [INF] XFRD> Accepted connection from 151.155.190.17:32859 on 2
10346 [INF] XFRD> Xfr service for 151.155.190.17:32859
[DEBUG] Conn_init> flags=1
[DEBUG] Conn_init> write stream...
[DEBUG] stream_init>mode=w flags=1 compress=0
[DEBUG] stream_init> unbuffer...
[DEBUG] stream_init< err=0
[DEBUG] Conn_init> read stream...
[DEBUG] stream_init>mode=r flags=1 compress=0
[DEBUG] stream_init> unbuffer...
[DEBUG] stream_init< err=0
[DEBUG] Conn_sxpr>
(xfr.hello 1 0)[DEBUG] Conn_sxpr< err=0
[DEBUG] Conn_sxpr>
(xfr.xfr 8)[DEBUG] Conn_sxpr< err=0
[1111078930.273966] xc_linux_restore start
 
xc_linux_restore start
[1111078930.287904] Created domain 1
 
Created domain 1
(Domain-1 Domain-0)'domain id=1 name=SuSE.33 memory=256 console=9601
image=/shared/boot/vmlinuz-2.6.10-xenU'[1111078930.389380] Reloading
memory pages:   0%
Reloading memory pages:   0  6%
^H^H^H^H  6 12%
^H^H^H^H 12 17%
^H^H^H^H 17 23%
^H^H^H^H 23 28%
^H^H^H^H 28 34%
^H^H^H^H 34 39%
^H^H^H^H 39 45%
^H^H^H^H 45 50%
^H^H^H^H 50 56%
^H^H^H^H 56 62%
^H^H^H^H 62 67%
^H^H^H^H 67 73%
^H^H^H^H 73 78%
^H^H^H^H 78 84%
^H^H^H^H 84 89%
^H^H^H^H 89 95%
^H^H^H^H 95100%
^H^H^H^H100105%
^H^H^H^H105110%
^H^H^H^H110115%
^H^H^H^H115120%
^H^H^H^H120125%
^H^H^H^H125130%
^H^H^H^H130135%
^H^H^H^H135140%
^H^H^H^H140145%
^H^H^H^H145150%
^H^H^H^H150155%

[chomp]


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