Jeremy Fitzhardinge wrote:
> On 10/30/09 14:25, Yasir Assam wrote:
>   
>> I sent this message to xen-users and it was suggested on that list
>> that I send it here (no one was able to help me there).
>>
>> I've installed Xen 3.4.1 from source. Some of my paravirt domUs use
>> the official XenLinux kernel (2.6.18) and some use the mainline
>> kernel.org.
>>
>> When I run "xm save" on the kernel.org guests, the "xm save" command
>> hangs where its run in dom0, and on the domU console I get an error:
>>
>> PM: Device rtc_cmos failed to suspend: error -22
>> xen suspend: dpm_suspend_start -22
>>
>> I'm using kernel version 2.6.31.4 for the domU (I've also tried
>> 2.6.31.5), which I've built from source (the XenLinux domUs suspend
>> without a problem).
>>
>> Is this a bug or am I doing something wrong?
>>     
>
> Quite possibly a bug.  Though I haven't seen those particular messages
> before, they do seem like the kind of messages that would pop up and
> spoil your suspend.
I got some other messages before from bits of of the kernel I didn't 
need, and I kept switching those bits off until I got the rtc_cmos error 
(I didn't know how to switch that bit off).
>   Could you post a full kernel log of a suspending
> domain?
>   
I'm not sure what you mean by a full kernel log. Do you mean the output 
of dmesg? Or /var/log/syslog?
> Have you tried migration?
>   
I haven't tried it - I only run Xen on a single host. If it can migrate 
to itself I can give it a try.

Thanks,
Yasir