For anyone who get similar problems in future.
This has to do with Mozilla temp directory.
For some reason the sidebar is sensitive to changes in the temp directory.
At 24h00 all servers are backed up and all cache and temp dirs are
cleaned out in order to keep backups small.
Due to a scripting error I made, CRON fired the cleaning routine at the
wrong time which resulted in loss of tmp directory contents before
system lockdown for backups.
It caused a corrupt read.




admin@mmri.us wrote:
> Strange behavior.
> After Spell Checker was used on an email, SeaMonkey hung without any
> output in the terminal.
> Processes shows it uses 100%. After 1/2 an hour it was still the case.
> About six consecutive startups resulted in immediate hangup and blank
> windows.
> After the sixth, it loaded normally except that the sidebar do not
> contain any entries anymore. It used to have my bookmarks etc.
> It now just states The Sidebar is empty printed in the window.
>
> This was a hard crash seemingly caused by the spell checker, which
> somehow caused interference with the sidebar entries. This looks like a
> memory leak as it is unrelated parts of the program.
>
> This happened on 3 user accounts, but is difficult to repeat in less
> than 100 tries or so using the spell checker on the same mail.
>
>
>
> SeaMonkey 1.1.9
> Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.13) Gecko/20080328
> Fedora/1.1.9-1.fc7 SeaMonkey/1.1.9
>
>
>
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>
>