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Re: [Qemu-arm] [PATCH v2] timer/aspeed: fix vmstate version id


From: Cédric Le Goater
Subject: Re: [Qemu-arm] [PATCH v2] timer/aspeed: fix vmstate version id
Date: Mon, 23 Apr 2018 13:32:46 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2

On 04/23/2018 12:29 PM, Peter Maydell wrote:
> On 23 April 2018 at 11:14, Cédric Le Goater <address@hidden> wrote:
>> commit 1d3e65aa7ac5 ("hw/timer: Add value matching support to
>> aspeed_timer") increased the vmstate version of aspeed.timer because
>> the state had changed, but it also bumped the version of the
>> VMSTATE_STRUCT_ARRAY under the aspeed.timerctrl which did not need to.
>>
>> Change back this version to fix migration.
>>
>> Signed-off-by: Cédric Le Goater <address@hidden>
> 
> Thanks, applied to target-arm.next.
> 
>>  To test on a 'palmetto-bmc' board, download the latest built OpenBMC
>>  flash image :
>>
>>    wget 
>> https://openpower.xyz/job/openbmc-build/distro=ubuntu,target=palmetto/lastSuccessfulBuild/artifact/deploy/images/palmetto/flash-palmetto
>>
>>  start two instances of QEMU with :
>>
>>    qemu-system-arm -m 512 -M palmetto-bmc -drive 
>> file=./flash-palmetto,format=raw,if=mtd -serial mon:stdio -nographic 
>> -nodefaults
> 
> Thanks also for the test image -- I'll add it to the collection I have.

for a romulus-bmc machine, which uses a ARM1176 CPU, you can download this
image :

   
https://openpower.xyz/job/openbmc-build/distro=ubuntu,target=romulus/lastSuccessfulBuild/artifact/deploy/images/romulus/flash-romulus

but migration fails :

  qemu-system-arm: error while loading state for instance 0x0 of device 'cpu'

There seems to be an issue while reading the CPACR reg.


> PS: there seems to be something odd up with the DNS for openpower.xyz:
> 
> $ host openpower.xyz
> openpower.xyz has address 146.20.65.228
> ;; connection timed out; no servers could be reached

indeed. hmm, I will report.

Thanks,

C. 

> (also manifests as wget pausing for several seconds before starting
> the download).
> 
> thanks
> -- PMM
> 




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