Re: [Xen-devel] Status of save/migrate in xen-2.0.4?

[Arthur Bergman <abergman@xxxxxxxxxxx>]

First of all, make sure you don't have two sets of python libraries 
installed.. 2.0.4 has a different python installdir than 2.0.3 and I 
think there is some nasty problem with what libraries are being picked 
up.
Cheers
Arthur

-----
CTO @ Fotango Ltd
+447834716919
http://www.fotango.com/

On 16 Feb 2005, at 01:11, Evan Bigall wrote:

> I thought the conclusion was save/migrate was fixed in xen-2.0.4?
>
> I downloaded and built from xen-2.0.4-src.tgz.gz.  But, when I try to 
> migrate I see:
>         [root@xen1 scripts]# xm migrate xen1-vm2 10.20.8.20
>         Error: Error: [Failure instance: Traceback: <type 'int'>, 1
>
> The xfrd.log on the "from" host has:
> 4202 [INF] XFRD> Accepted connection from 127.0.0.1:4018 on 2
> 4202 [INF] XFRD> Forked child pid=4205
> 4202 [INF] XFRD> Accepted connection from 127.0.0.1:4021 on 2
> 4207 [INF] XFRD> Xfr service for 127.0.0.1:4021
> [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.migrate 50 "(domain (id 50) (name xen1-vm2) (memory 1023) (maxmem 
> 1048576) (state -b---) (cpu 1) (cpu_time 12.165003084) (up_time 
> 7795.94248009) (start_time 1108508108.79) (console (status listening) 
> (id 12) (domain 50) (local_port 12) (remote_port 1) (console_port 
> 9650)) (devices (vif (idx 0) (vif 0) (mac 00:eb:eb:00:01:02) (bridge 
> xbr-i0) (evtchn 450 4) (index 0)) (vif (idx 1) (vif 1) (mac 
> 00:eb:eb:01:01:02) (bridge xbr-i1) (evtchn 451 5) (index 1))) (config 
> (vm (name xen1-vm2) (memory 1024) (cpu -1) (restart never) (image 
> (linux (kernel /boot/vmlinuz-2.6.10-xenU) (ip 
> :10.20.8.30:::xen1-vm2:eth0:dhcp) (root /dev/nfs) (args 
> 'nfsroot=10.20.8.30:/xendom/xendom2 ip=::::xen1-vm2:eth1: 4 VMID=2'))) 
> (device (vif (mac 00:eb:eb:00:01:02) (bridge xbr-i0))) (device (vif 
> (mac 00:eb:eb:01:01:02) (bridge xbr-i1))))))" 10.20.8.20 8002 0 
> 0)[DEBUG] Conn_sxpr< err=0
> [DEBUG] Conn_connect> addr=10.20.8.20:8002
> [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.err 0)[DEBUG] Conn_sxpr< err=0
>
> [1108515904.742394] xc_linux_save start 50
>
> xc_linux_save start 50
> Frame # in pfn-to-mfn frame list is not in pseudophys
> Frame # in pfn-to-mfn frame list is not in pseudophys
> 4207 [WRN] XFRD> Transfer errors:
> 4207 [WRN] XFRD> state=XFR_STATE    err=1
> 4207 [INF] XFRD> Xfr service err=1
>
> I thought for sure this was the error someone said was fixed now?
>
> Strace on xfrd doesn't seem to help.
>
> I think the important bit of the strace output is:
>
> [pid  4211] write(4, "(xfr.xfr 50)", 12) = 12
> [pid  4211] open("/proc/xen/privcmd", O_RDWR) = 5
> [pid  4211] gettimeofday({1108515989, 659231}, NULL) = 0
> [pid  4211] write(1, "4209 [INF] XFRD> Accepted connec"..., 1838) = 
> 1838
> [pid  4211] mlock(0xbfffe6c0, 2516)     = 0
> [pid  4211] mlock(0xbfffb570, 80)       = 0
> [pid  4211] ioctl(5, SNDCTL_DSP_RESET, 0xbfffb550) = 0
> [pid  4211] munlock(0xbfffb570, 80)     = 0
> [pid  4211] mmap2(NULL, 4096, PROT_READ, MAP_SHARED, 5, 0) = 0xb7fe9000
> [pid  4211] ioctl(5, SNDCTL_DSP_SPEED or SOUND_PCM_READ_RATE, 
> 0xbfffb5a0) = 0
> [pid  4211] mmap2(NULL, 4096, PROT_READ, MAP_SHARED, 5, 0) = 0xb7fe8000
> [pid  4211] ioctl(5, SNDCTL_DSP_SPEED or SOUND_PCM_READ_RATE, 
> 0xbfffb5a0) = 0
> [pid  4211] mmap2(NULL, 1048576, PROT_READ, MAP_SHARED, 5, 0) = 
> 0xb7c00000
> [pid  4211] ioctl(5, SNDCTL_DSP_STEREO, 0xbfffb5a0) = 0
> [pid  4211] ioctl(5, SNDCTL_DSP_GETBLKSIZE, 0xbfffb5d4) = 0
> [pid  4211] mmap2(NULL, 4194304, PROT_READ, MAP_SHARED, 5, 0) = 
> 0xb7800000
> [pid  4211] ioctl(5, SNDCTL_DSP_SPEED or SOUND_PCM_READ_RATE, 
> 0xbfffb5a0) = 0
> [pid  4211] write(1, "Frame # in pfn-to-mfn frame list"..., 54) = 54
>
> /Evan
>
>
>
>
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