xm save still fails

xm save still fails

[Yasir Assam]

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I sent a message to this list a few weeks ago about this but I'm not 
sure that it was ever resolved.

xm save still fails on xen 3.4.2 when I try to save a domU running 
pv-ops 2.6.31.6 (domU & dom0 are 64-bit).

The original thread is here (contains log & config files):
http://lists.xensource.com/archives/html/xen-devel/2009-10/msg01477.html

If anyone can tell me whether this is a bug, or whether I'm doing 
something wrong, I'd really appreciate it.

Thanks,
Yasir

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No virus found in this outgoing message.
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RE: xm save still fails

[Dan Magenheimer]

Jeremy suggested trying out this bug fix a few days ago, but
I haven't had a chance to try it yet as my test machines
have been in use for other things.

http://lists.xensource.com/archives/html/xen-devel/2009-11/msg00672.html

Pasi also noticed that save/restore did not fail for a single
vcpu domain but has a (non-fatal) error message, but does fail
for vcpus>1 (see other email in the same thread).

It would be great if you could try this fix and let us
know if it solves one or both problems.  Since the fix
is on the Linux side, there's a good chance it will fix
the problem for both 3.4.2 and xen-unstable.

> -----Original Message-----
> From: Yasir Assam [mailto:mail@endlessvoid.com]
> Sent: Monday, November 16, 2009 7:36 PM
> To: xen-devel@lists.xensource.com
> Subject: [Xen-devel] xm save still fails
> 
> 
> I sent a message to this list a few weeks ago about this but I'm not 
> sure that it was ever resolved.
> 
> xm save still fails on xen 3.4.2 when I try to save a domU running 
> pv-ops 2.6.31.6 (domU & dom0 are 64-bit).
> 
> The original thread is here (contains log & config files):
> http://lists.xensource.com/archives/html/xen-devel/2009-10/msg
01477.html

If anyone can tell me whether this is a bug, or whether I'm doing 
something wrong, I'd really appreciate it.

Thanks,
Yasir

Re: xm save still fails

[Yasir Assam]

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Thanks for responding Dan.

I applied that patch to my domU kernel (2.6.31.6) and I still get the 
same problem.

This is what I got on the domU console:

PM: Device rtc_cmos failed to suspend: error -22
xen suspend: dpm_suspend_start -22

and I've attached /var/log/kern.log from the domU.

The same thing happens whether I use 1 or 2 VCPUs.

Thanks,
Yasir


> Jeremy suggested trying out this bug fix a few days ago, but
> I haven't had a chance to try it yet as my test machines
> have been in use for other things.
>
> http://lists.xensource.com/archives/html/xen-devel/2009-11/msg00672.html
>
> Pasi also noticed that save/restore did not fail for a single
> vcpu domain but has a (non-fatal) error message, but does fail
> for vcpus>1 (see other email in the same thread).
>
> It would be great if you could try this fix and let us
> know if it solves one or both problems.  Since the fix
> is on the Linux side, there's a good chance it will fix
> the problem for both 3.4.2 and xen-unstable.
>
>   
>> -----Original Message-----
>> From: Yasir Assam [mailto:mail@endlessvoid.com]
>> Sent: Monday, November 16, 2009 7:36 PM
>> To: xen-devel@lists.xensource.com
>> Subject: [Xen-devel] xm save still fails
>>
>>
>> I sent a message to this list a few weeks ago about this but I'm not 
>> sure that it was ever resolved.
>>
>> xm save still fails on xen 3.4.2 when I try to save a domU running 
>> pv-ops 2.6.31.6 (domU & dom0 are 64-bit).
>>
>> The original thread is here (contains log & config files):
>> http://lists.xensource.com/archives/html/xen-devel/2009-10/msg
>>     
> 01477.html
>
> If anyone can tell me whether this is a bug, or whether I'm doing 
> something wrong, I'd really appreciate it.
>
> Thanks,
> Yasir
> ------------------------------------------------------------------------
>
>
> No virus found in this incoming message.
> Checked by AVG - www.avg.com 
> Version: 8.5.425 / Virus Database: 270.14.68/2507 - Release Date: 11/16/09 19:53:00
>
>   


-- 
Yasir Assam
Endless Void - Software and Web Development

http://www.endlessvoid.com
Tel: +61 (0)2 6679 7084

525 Midginbil Road
Midginbil
NSW 2484
Australia

ABN 57 175 061 347


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Nov 18 10:35:54 lit kernel: imklog 3.18.6, log source = /proc/kmsg started.
Nov 18 10:35:54 lit kernel: Linux version 2.6.31.6-xen-domU-64 (yhassan@eir) (gcc version 4.3.2 (Debian 4.3.2-1.1) ) #2 SMP Wed Nov 18 10:35:03 EST 2009
Nov 18 10:35:54 lit kernel: Command line: root=/dev/xvda2 ro console=hvc0
Nov 18 10:35:54 lit kernel: KERNEL supported cpus:
Nov 18 10:35:54 lit kernel:  AMD AuthenticAMD
Nov 18 10:35:54 lit kernel: BIOS-provided physical RAM map:
Nov 18 10:35:54 lit kernel: Xen: 0000000000000000 - 00000000000a0000 (usable)
Nov 18 10:35:54 lit kernel: Xen: 00000000000a0000 - 0000000000100000 (reserved)
Nov 18 10:35:54 lit kernel: Xen: 0000000000100000 - 0000000008000000 (usable)
Nov 18 10:35:54 lit kernel: DMI not present or invalid.
Nov 18 10:35:54 lit kernel: last_pfn = 0x8000 max_arch_pfn = 0x400000000
Nov 18 10:35:54 lit kernel: e820 update range: 0000000000001000 - 0000000000006000 (usable) ==> (reserved)
Nov 18 10:35:54 lit kernel: Scanning 1 areas for low memory corruption
Nov 18 10:35:54 lit kernel: modified physical RAM map:
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Nov 18 10:35:54 lit kernel: modified: 00000000000a0000 - 0000000000100000 (reserved)
Nov 18 10:35:54 lit kernel: modified: 0000000000100000 - 0000000008000000 (usable)
Nov 18 10:35:54 lit kernel: initial memory mapped : 0 - 20000000
Nov 18 10:35:54 lit kernel: init_memory_mapping: 0000000000000000-0000000008000000
Nov 18 10:35:54 lit kernel: 0000000000 - 0008000000 page 4k
Nov 18 10:35:54 lit kernel: kernel direct mapping tables up to 8000000 @ 8000-4a000
Nov 18 10:35:54 lit kernel: (6 early reservations) ==> bootmem [0000000000 - 0008000000]
Nov 18 10:35:54 lit kernel:  #0 [0000000000 - 0000001000]   BIOS data page ==> [0000000000 - 0000001000]
Nov 18 10:35:54 lit kernel:  #1 [000150f000 - 000151e000]   XEN PAGETABLES ==> [000150f000 - 000151e000]
Nov 18 10:35:54 lit kernel:  #2 [0000006000 - 0000008000]       TRAMPOLINE ==> [0000006000 - 0000008000]
Nov 18 10:35:54 lit kernel:  #3 [0001000000 - 00014ab424]    TEXT DATA BSS ==> [0001000000 - 00014ab424]
Nov 18 10:35:54 lit kernel:  #4 [00014cc000 - 000150f000]   XEN START INFO ==> [00014cc000 - 000150f000]
Nov 18 10:35:54 lit kernel:  #5 [0000008000 - 0000038000]          PGTABLE ==> [0000008000 - 0000038000]
Nov 18 10:35:54 lit kernel: Zone PFN ranges:
Nov 18 10:35:54 lit kernel:  DMA      0x00000000 -> 0x00001000
Nov 18 10:35:54 lit kernel:  DMA32    0x00001000 -> 0x00100000
Nov 18 10:35:54 lit kernel:  Normal   0x00100000 -> 0x00100000
Nov 18 10:35:54 lit kernel: Movable zone start PFN for each node
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Nov 18 10:35:54 lit kernel:  DMA zone: 56 pages used for memmap
Nov 18 10:35:54 lit kernel:  DMA zone: 51 pages reserved
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Nov 18 10:35:54 lit kernel:  DMA32 zone: 28280 pages, LIFO batch:7
Nov 18 10:35:54 lit kernel: SMP: Allowing 1 CPUs, 0 hotplug CPUs
Nov 18 10:35:54 lit kernel: No local APIC present
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Nov 18 10:35:54 lit kernel: cpu 0 using vcpu_info at ffffc9000000b020
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Nov 18 10:35:54 lit kernel: Kernel command line: root=/dev/xvda2 ro console=hvc0
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Re: xm save still fails

[Valtteri Kiviniemi]

Hi,

I have this same problem with xen-unstable. When I try to save a domU it 
wont do anything. The following error messages appear:

in the domU's console that I'm trying to save:

Ignoring shutdown request: suspend

in xend.log:

[2009-11-19 15:18:51 2740] DEBUG (XendCheckpoint:124) [xc_save]: 
/usr/lib/xen/bin/xc_save 57 1 0 0 0
[2009-11-19 15:18:51 2740] INFO (XendCheckpoint:424) xc_save: failed to 
get the suspend evtchn port

- Valtteri Kiviniemi

Yasir Assam kirjoitti:
> Thanks for responding Dan.
> 
> I applied that patch to my domU kernel (2.6.31.6) and I still get the 
> same problem.
> 
> This is what I got on the domU console:
> 
> PM: Device rtc_cmos failed to suspend: error -22
> xen suspend: dpm_suspend_start -22
> 
> and I've attached /var/log/kern.log from the domU.
> 
> The same thing happens whether I use 1 or 2 VCPUs.
> 
> Thanks,
> Yasir
> 
> 
>> Jeremy suggested trying out this bug fix a few days ago, but
>> I haven't had a chance to try it yet as my test machines
>> have been in use for other things.
>>
>> http://lists.xensource.com/archives/html/xen-devel/2009-11/msg00672.html
>>
>> Pasi also noticed that save/restore did not fail for a single
>> vcpu domain but has a (non-fatal) error message, but does fail
>> for vcpus>1 (see other email in the same thread).
>>
>> It would be great if you could try this fix and let us
>> know if it solves one or both problems.  Since the fix
>> is on the Linux side, there's a good chance it will fix
>> the problem for both 3.4.2 and xen-unstable.
>>
>>  
>>> -----Original Message-----
>>> From: Yasir Assam [mailto:mail@endlessvoid.com]
>>> Sent: Monday, November 16, 2009 7:36 PM
>>> To: xen-devel@lists.xensource.com
>>> Subject: [Xen-devel] xm save still fails
>>>
>>>
>>> I sent a message to this list a few weeks ago about this but I'm not 
>>> sure that it was ever resolved.
>>>
>>> xm save still fails on xen 3.4.2 when I try to save a domU running 
>>> pv-ops 2.6.31.6 (domU & dom0 are 64-bit).
>>>
>>> The original thread is here (contains log & config files):
>>> http://lists.xensource.com/archives/html/xen-devel/2009-10/msg
>>>     
>> 01477.html
>>
>> If anyone can tell me whether this is a bug, or whether I'm doing 
>> something wrong, I'd really appreciate it.
>>
>> Thanks,
>> Yasir
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>> 270.14.68/2507 - Release Date: 11/16/09 19:53:00
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>>   
> 
> 
> 
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Re: xm save still fails

[Jeremy Fitzhardinge]

On 11/17/09 10:35, Yasir Assam wrote:
> I sent a message to this list a few weeks ago about this but I'm not
> sure that it was ever resolved.

I've been at Xen summit this week, so I haven't had a chance to look at it.

    J

Re: xm save still fails

[Ian Campbell]

On Thu, 2009-11-19 at 13:25 +0000, Valtteri Kiviniemi wrote:
> Hi,
> 
> I have this same problem with xen-unstable. When I try to save a domU it 
> wont do anything. The following error messages appear:
> 
> in the domU's console that I'm trying to save:
> 
> Ignoring shutdown request: suspend

That suggests you don't have CONFIG_PM_SLEEP enabled. Without this
suspend/resume cannot work.

Ian.