[Sugar-devel] RFH - Journal corruption reports fom 8.2.1
walter.bender at gmail.com
Sat Aug 22 09:13:53 EDT 2009
On Thu, Aug 20, 2009 at 6:13 PM, Jim Simmons<nicestep at gmail.com> wrote:
> 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.
> 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>
>> <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
>> - 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.
>> 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
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