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* [Qemu-devel] broken cross-version migration from 2.2 to 2.1
@ 2014-12-10 15:38 Igor Mammedov
  2014-12-10 15:46 ` Paolo Bonzini
  0 siblings, 1 reply; 3+ messages in thread
From: Igor Mammedov @ 2014-12-10 15:38 UTC (permalink / raw)
  To: qemu-devel; +Cc: quintela, dgilbert, mst

CCing to migration maintainers a couple migration regressions in 2.2:

1st error:

source: 
 qemu-system-x86_64-2.2 -enable-kvm -m 512  -monitor stdio -M pc-i440fx-2.1
 (qemu) stop
 (qemu) migrate "exec:gzip -c > STATEFILE.gz"

target:
 qemu-system-x86_64-2.1 -enable-kvm -m 512  -monitor stdio  -incoming "exec: gzip -c -d STATEFILE.gz" -M pc-i440fx-2.1
 qemu: warning: error while loading state for instance 0x0 of device 'serial'
 qemu-system-x86_64-2.1: load of migration failed: No such file or directory

2nd error:

source:
 qemu-system-x86_64-2.2 -enable-kvm -smp 2 -m 512  -monitor stdio   -M pc-i440fx-2.1
 (qemu) stop
 (qemu) migrate "exec:gzip -c > STATEFILE.gz"

target:
 qemu-system-x86_64-2.1 -enable-kvm -smp 2 -m 512 -monitor stdio -M pc-i440fx-2.1 -incoming "exec: gzip -c -d STATEFILE.gz"
 qemu: warning: error while loading state for instance 0x1 of device 'apic'
 qemu-system-x86_64-2.1: load of migration failed: No such file or directory

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [Qemu-devel] broken cross-version migration from 2.2 to 2.1
  2014-12-10 15:38 [Qemu-devel] broken cross-version migration from 2.2 to 2.1 Igor Mammedov
@ 2014-12-10 15:46 ` Paolo Bonzini
  2014-12-10 15:48   ` Paolo Bonzini
  0 siblings, 1 reply; 3+ messages in thread
From: Paolo Bonzini @ 2014-12-10 15:46 UTC (permalink / raw)
  To: Igor Mammedov, qemu-devel; +Cc: mst, dgilbert, quintela



On 10/12/2014 16:38, Igor Mammedov wrote:
> CCing to migration maintainers a couple migration regressions in 2.2:
> 
> 1st error:
> 
> source: 
>  qemu-system-x86_64-2.2 -enable-kvm -m 512  -monitor stdio -M pc-i440fx-2.1
>  (qemu) stop
>  (qemu) migrate "exec:gzip -c > STATEFILE.gz"
> 
> target:
>  qemu-system-x86_64-2.1 -enable-kvm -m 512  -monitor stdio  -incoming "exec: gzip -c -d STATEFILE.gz" -M pc-i440fx-2.1
>  qemu: warning: error while loading state for instance 0x0 of device 'serial'
>  qemu-system-x86_64-2.1: load of migration failed: No such file or directory
> 
> 2nd error:
> 
> source:
>  qemu-system-x86_64-2.2 -enable-kvm -smp 2 -m 512  -monitor stdio   -M pc-i440fx-2.1
>  (qemu) stop
>  (qemu) migrate "exec:gzip -c > STATEFILE.gz"
> 
> target:
>  qemu-system-x86_64-2.1 -enable-kvm -smp 2 -m 512 -monitor stdio -M pc-i440fx-2.1 -incoming "exec: gzip -c -d STATEFILE.gz"
>  qemu: warning: error while loading state for instance 0x1 of device 'apic'
>  qemu-system-x86_64-2.1: load of migration failed: No such file or directory
> 
> 

A lot of subsections were added between 2.1 and 2.2.  Which ones are
being migrated in these cases?

Paolo

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [Qemu-devel] broken cross-version migration from 2.2 to 2.1
  2014-12-10 15:46 ` Paolo Bonzini
@ 2014-12-10 15:48   ` Paolo Bonzini
  0 siblings, 0 replies; 3+ messages in thread
From: Paolo Bonzini @ 2014-12-10 15:48 UTC (permalink / raw)
  To: Igor Mammedov, qemu-devel; +Cc: quintela, dgilbert, mst



On 10/12/2014 16:46, Paolo Bonzini wrote:
> 
> 
> On 10/12/2014 16:38, Igor Mammedov wrote:
>> CCing to migration maintainers a couple migration regressions in 2.2:
>>
>> 1st error:
>>
>> source: 
>>  qemu-system-x86_64-2.2 -enable-kvm -m 512  -monitor stdio -M pc-i440fx-2.1
>>  (qemu) stop
>>  (qemu) migrate "exec:gzip -c > STATEFILE.gz"
>>
>> target:
>>  qemu-system-x86_64-2.1 -enable-kvm -m 512  -monitor stdio  -incoming "exec: gzip -c -d STATEFILE.gz" -M pc-i440fx-2.1
>>  qemu: warning: error while loading state for instance 0x0 of device 'serial'
>>  qemu-system-x86_64-2.1: load of migration failed: No such file or directory
>>
>> 2nd error:
>>
>> source:
>>  qemu-system-x86_64-2.2 -enable-kvm -smp 2 -m 512  -monitor stdio   -M pc-i440fx-2.1
>>  (qemu) stop
>>  (qemu) migrate "exec:gzip -c > STATEFILE.gz"
>>
>> target:
>>  qemu-system-x86_64-2.1 -enable-kvm -smp 2 -m 512 -monitor stdio -M pc-i440fx-2.1 -incoming "exec: gzip -c -d STATEFILE.gz"
>>  qemu: warning: error while loading state for instance 0x1 of device 'apic'
>>  qemu-system-x86_64-2.1: load of migration failed: No such file or directory
>>
>>
> 
> A lot of subsections were added between 2.1 and 2.2.  Which ones are
> being migrated in these cases?

Hmm, it's thr_ipending and apic_sipi.  /me debugs.

Paolo

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2014-12-10 15:48 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2014-12-10 15:38 [Qemu-devel] broken cross-version migration from 2.2 to 2.1 Igor Mammedov
2014-12-10 15:46 ` Paolo Bonzini
2014-12-10 15:48   ` Paolo Bonzini

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