https://bugzilla.andrew.cmu.edu/show_bug.cgi?id=3145 (just copied and pasted what's below) And I've assigned it to myself so I don't forget to look at it! (this may wind up depending on all my other cache work, because I don't want to create too many conflicts, and besides - it's much nicer to work in the refactored APIs) On Mon, 23 Mar 2009 16:08 -0700, "David R Bosso" <dbosso+lists.cyrus@xxxxxxxxxxxxx> wrote: > --On March 13, 2009 10:18:53 AM -0300 Patrick Boutilier > <boutilpj@xxxxxxxxxxx> wrote: > > <snip> > > >> This will be real easy to test though. I will just run ipurge on a > >> subfolder of my mailbox and see if it corrupts it. :-) > > FWIW we see the same corruption here with ipurge. We use ipurge to clean > out old messages from a spam box for each user. We've worked around it > currently by reconstructing the box after the ipurge which adds a lot of > work to our nightly maintenance. > > I'd love to see a fix for this. > > -David > > > I can duplicate the corruption by following steps similar to this report: > > > > http://archives.devshed.com/forums/networking-100/cyr-expire-sigsegv-2146 > > 878.html > > > > > > Current directory here is /var/imap/metadata/G/user/boutilpj/Testmail > > > > > > Clean mailbox: > > > > > > [cyrus@student2 Testmail]$ ll > > total 60 > > -rw------- 1 cyrus cyrus 49612 Mar 13 10:03 cyrus.cache > > -rw------- 1 cyrus cyrus 189 Mar 13 10:03 cyrus.header > > -rw------- 1 cyrus cyrus 3792 Mar 13 10:03 cyrus.index > > > > > > Quick way to show number of messages in the folder: > > > > > > > > [cyrus@student2 Testmail]$ cat cyrus.cache |grep -a Prec|wc -l > > 42 > > > > > > Delete 11 messages through IMAP client: > > > > [cyrus@student2 Testmail]$ ll > > total 64 > > -rw------- 1 cyrus cyrus 49612 Mar 13 10:03 cyrus.cache > > -rw------- 1 cyrus cyrus 1064 Mar 13 10:05 cyrus.expunge > > -rw------- 1 cyrus cyrus 189 Mar 13 10:03 cyrus.header > > -rw------- 1 cyrus cyrus 2824 Mar 13 10:05 cyrus.index > > > > > > Run ipurge with a number high enough not to delete anything. I purge > > only sees 31 messages and removes them from cyrus.cache: > > > > > > [cyrus@student2 Testmail]$ /usr/local/cyrus/bin/ipurge -f -d 2333 > > user.boutilpj.Testmail > > Working on user.boutilpj.Testmail... > > total messages 31 > > total bytes 539400 > > Deleted messages 0 > > Deleted bytes 0 > > Remaining messages 31 > > Remaining bytes 539400 > > > > [cyrus@student2 Testmail]$ ll > > total 48 > > -rw------- 1 cyrus cyrus 36652 Mar 13 10:08 cyrus.cache > > -rw------- 1 cyrus cyrus 1064 Mar 13 10:05 cyrus.expunge > > -rw------- 1 cyrus cyrus 189 Mar 13 10:03 cyrus.header > > -rw------- 1 cyrus cyrus 2824 Mar 13 10:08 cyrus.index > > > > [cyrus@student2 Testmail]$ cat cyrus.cache |grep -a Prec|wc -l > > 31 > > > > > > Run cyr_expire and corruption occurs: > > > > [cyrus@student2 Testmail]$ /usr/local/cyrus/bin/cyr_expire -E 333 -X 7 -p > > user.boutilpj.Testmail -v > > Expunging deleted messages in mailboxes older than 7 days > > > > Expunged 0 out of 33 messages from 1 mailboxes > > [cyrus@student2 Testmail]$ ll > > total 96 > > -rw------- 1 cyrus cyrus 36652 Mar 13 10:08 cyrus.cache > > -rw------- 1 cyrus cyrus 37852 Mar 13 10:15 cyrus.cache.NEW > > -rw------- 1 cyrus cyrus 1064 Mar 13 10:05 cyrus.expunge > > -rw------- 1 cyrus cyrus 272 Mar 13 10:15 cyrus.expunge.NEW > > -rw------- 1 cyrus cyrus 189 Mar 13 10:03 cyrus.header > > -rw------- 1 cyrus cyrus 2824 Mar 13 10:08 cyrus.index > > -rw------- 1 cyrus cyrus 2824 Mar 13 10:15 cyrus.index.NEW > > > > > > Mar 13 10:15:40 student2 cyr_expire[8725]: IOERROR: reading cache record > > for user.boutilpj.Testmail: item 1 has bogus offset 576450680 of 36652 > > for 2/11; mailbox needs a reconstruct > > > > > > > > > >> > >>> Bron. > >> > >> ---- > >> Cyrus Home Page: http://cyrusimap.web.cmu.edu/ > >> Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki > >> List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html > > > > > ---- > Cyrus Home Page: http://cyrusimap.web.cmu.edu/ > Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki > List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html -- Bron Gondwana brong@xxxxxxxxxxx ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html