Apologies if this is supposed to go somewhere else-Debian's bug tracking
is not so clear on what to do from here.
Henrique de Moraes Holschuh wrote:
tag 358742 moreinfo
thanks
On Fri, 24 Mar 2006, Matt Boes wrote:
Mar 23 21:29:30 localhost cyrus/imapd[32537]: IOERROR: locking header
for user.jl-jennings.Sent: Interrupted system call
Traced to mailbox_lock_header() in imap/mailbox.c. That calls
lock_reopen(), which is supposed to be lib/lock_fcntl.c lock_reopen().
Looking at that function, you have 100 seconds for the locking to succeed,
or it will bomb with the error you reported. 100s is a whole lot, do you
see such a hang of 100s before the error message?
The user reports it to me-it happens so randomly it's impossible to
predict. There is no way to see a hang of 100 seconds, since I normally
find out an hour or so after it happens.
What is different for this user in your system? Is he the only one using
that Thunderbird version? Does he has weird stuff in sieve or a very
different ammount of email in his spool when compared to your other users?
This user has the largest mailbox on the system, about 3.9GB. It's not
the largest by a lot though, there are a few others with over 3GB. I
and about five others in the company use the same Thunderbird version.
The user's sieve is completely empty. It happened before when he used
an earlier version, and now I had him upgrade to the newest and it
happened again. Another piece of interest-he said that every time it
happened he was sending an attachment.
The only thing I can think about right now that might fix the problem is
this: edit lib/lock_fcntl.c, function setsigalrm(). Add "alarm(0);" before
"lock_gotsigalrm = 0;". Rebuild cyrus. Please report back if that fixes
the issue.
Unfortunately, I am unable to put a rebuilt version on this server, as
it is a production system and the company has rules about that. Is
there anything I could do that doesn't require a rebuild? I will
propose this, but I foresee a "no".
Thanks for your help!
Matt Boes
Systems Administrator
Scionics Computer Innovation GmbH
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