[CRIU] Dumping a FUSE mount

Pavel Emelyanov xemul at parallels.com
Mon Oct 12 01:00:09 PDT 2015


On 10/09/2015 02:06 AM, Jonathan 'Wolf' Rentzsch wrote:
>> On Oct 8, 2015, at 1:49 PM, Pavel Emelyanov <xemul at parallels.com> wrote:
>>> The "/app/available_modules:/mnt/stretch/all_modules_dupe" external mount was already in place.
>>>
>>> I went further and manually added a hard-coded “./app/available_modules:/mnt/stretch/all_modules_dupe” to make sure that leading period wasn’t tripping things up some how.
>>>
>>> Same error: 
>>>
>>> Error (mount.c:1480): Can't mount at ./app/available_modules: No such device
>>>
>>> Obviously I’m missing something else.
>>
>> Indeed. Can you attach full restore log?
> 
> Of course. It follows. I added a bit more logging to this version, see the lines with ‘wolf’ in them,

OK, now this lines in log:

> (00.322206)      1: Reading mountpoint images
...
> (00.322533)      1: 		Getting root for 626
> (00.322536)      1: 		Getting mpt for 626 ./app/available_modules
> (00.322540)      1: 		Getting source for 626
> (00.322543)      1: 		Getting opts for 626
> (00.322546)      1: 	Read 626 mp @ ./app/available_modules

mean that the mountpoint entry in the image is not marked as external.
Can you show the dump log as well?

-- Pavel



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