[Sugar-devel] RFH - Journal corruption reports fom 8.2.1

[Walter Bender]

On Thu, Aug 20, 2009 at 6:13 PM, Jim Simmons<nicestep at gmail.com> wrote:
> Martin,
>
> For what it's worth, I've experienced this running the Sugar test
> environment in both Fedora 10 and 11.  It would not seem to be
> specific to .82.  The way to reproduce the problem is to run the Sugar
> environment in Xephyr (sugar-emulator).  Do some stuff, then instead
> of shutting down cleanly click on the "close" button on the Xephyr
> window.  That will close your Sugar session and practically guarantee
> that the next time you open it your Sugar Journal will be empty.  I
> regret to say that I've done this a few times.

I do this all the time and have never had a Journal corruption error
in Xephyr. Curious.

-walter

> James Simmons
>
>
>> Date: Thu, 20 Aug 2009 18:56:17 +0200
>> From: Martin Langhoff <martin.langhoff at gmail.com>
>> Subject: [Sugar-devel] RFH - Journal corruption reports fom 8.2.1
>>        users in Uy
>> To: OLPC Devel <devel at lists.laptop.org>,        Sugar-dev
>>        <Sugar-devel at lists.sugarlabs.org>
>> Message-ID:
>>        <46a038f90908200956h436459f3j9fa7b29bb111d130 at mail.gmail.com>
>> Content-Type: text/plain; charset=ISO-8859-1
>>
>> On olpc-sur we're seeing reports of "my journal contents disappeared
>> after reboot". (Thread starts at
>> http://lists.laptop.org/pipermail/olpc-sur/2009-August/004177.html )
>>
>> This reminds me a lot of the issues we saw earlier in development of
>> what became 8.2.x -- if for any reason Sugar doesn't like the Journal
>> contents or indexes, it moves the 'datastore' directory aside, and
>> starts anew.
>>
>> That's my hunch, and I am hoping to hear confirmation from the users
>> reporting the problem.
>>
>> Two pleas for help
>>
>>  - A sugar activity that does some data-recovery and freeing up the space.
>>
>> The good news is that we have a json file with the metadata for each
>> Journal entry, so we can either load it back into the Journal (mstone
>> had published a cli script that exports/imports to the Journal?) or
>> create Journal Entry Bundles and save them to a USB stick.
>>
>> I suspect the JEB path might help users more -- if the Journal is
>> choking on some specific metadata, a script that reloads it all in one
>> go will make it choke again. Having files as JEBs allows step-by-step
>> attempts.
>>
>>  - Diagnosis.
>>
>> If it's something we can pin down, it'll be great to have a fix! This
>> will surely involve getting in touch with teachers on olpc-sur.
>>
>> cheers,
>>
>>
>>
>> m
>> --
>>  martin.langhoff at gmail.com
>>  martin at laptop.org -- School Server Architect
>>  - ask interesting questions
>>  - don't get distracted with shiny stuff  - working code first
>>  - http://wiki.laptop.org/go/User:Martinlanghoff
> _______________________________________________
> Sugar-devel mailing list
> Sugar-devel at lists.sugarlabs.org
> http://lists.sugarlabs.org/listinfo/sugar-devel
>



-- 
Walter Bender
Sugar Labs
http://www.sugarlabs.org