Problem w/ 2.2.4 and unixhierarchysep: yes

Simon Matter simon.matter at ch.sauter-bc.com
Sat May 22 21:37:26 EDT 2004 

> Rob,
>    There is no core dumped from what I can tell, it looks like master
> just dies for that process.  Did you test this on a clean install of
> 2.2.4, and clean partitions and config directories.  This does not seem
> to occur on an install of 2.2.4 that was upgraded i.e., the mailboxes
> and database were not created from scratch.  It's odd.

Hi

I have just finished rebuilding my 2.2.4 rpms and I've got the same
problem on my own server where I tested the build. I was able to access
some folders but some others didn't work.

May 23 02:50:25 xxl imap[1826]: login: localhost.localdomain [127.0.0.1]
simix plaintext User logged in
May 23 02:50:25 xxl imap[1928]: executed
May 23 02:50:25 xxl imap[1826]: seen_db: user simix opened
/var/lib/imap/user/s/simix.seen
May 23 02:50:25 xxl imap[1826]: open: user simix opened INBOX
May 23 02:50:25 xxl master[1794]: process 1826 exited, signaled to death
by 11
May 23 02:50:25 xxl master[1794]: service imap pid 1826 in BUSY state:
terminated abnormally

This is on RedHat 7.2 with db3, so no db4 issue here.

The error I get from Squirrelmail is:
ERROR : Connection dropped by imap-server.
Query: EXPUNGE

I have tried to produce a backtrace like this:

[root at xxl tmp]# gdb imapd core
GNU gdb Red Hat Linux (5.2-2)
Copyright 2002 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-redhat-linux"...(no debugging symbols
found)...
Core was generated by `imapd'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /usr/lib/libsasl2.so.2...(no debugging symbols
found)...done.
Loaded symbols for /usr/lib/libsasl2.so.2
Reading symbols from /lib/libresolv.so.2...done.
Loaded symbols for /lib/libresolv.so.2
Reading symbols from /lib/libssl.so.2...done.
Loaded symbols for /lib/libssl.so.2
Reading symbols from /lib/libcrypto.so.2...done.
Loaded symbols for /lib/libcrypto.so.2
Reading symbols from /lib/libdb-3.2.so...done.
Loaded symbols for /lib/libdb-3.2.so
Reading symbols from /lib/libnsl.so.1...done.
Loaded symbols for /lib/libnsl.so.1
Reading symbols from /lib/i686/libc.so.6...done.
Loaded symbols for /lib/i686/libc.so.6
Reading symbols from /lib/libdl.so.2...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib/libcrypt.so.1...done.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
Reading symbols from /usr/lib/sasl2/libanonymous.so.2...done.
Loaded symbols for /usr/lib/sasl2/libanonymous.so.2
Reading symbols from /usr/lib/sasl2/libsasldb.so.2...done.
Loaded symbols for /usr/lib/sasl2/libsasldb.so.2
Reading symbols from /usr/lib/sasl2/libcrammd5.so.2...done.
Loaded symbols for /usr/lib/sasl2/libcrammd5.so.2
Reading symbols from /usr/lib/sasl2/libdigestmd5.so.2...done.
Loaded symbols for /usr/lib/sasl2/libdigestmd5.so.2
Reading symbols from /usr/lib/sasl2/liblogin.so.2...done.
Loaded symbols for /usr/lib/sasl2/liblogin.so.2
Reading symbols from /usr/lib/sasl2/libplain.so.2...done.
Loaded symbols for /usr/lib/sasl2/libplain.so.2
Reading symbols from /lib/libnss_files.so.2...done.
Loaded symbols for /lib/libnss_files.so.2
Reading symbols from /lib/libnss_nisplus.so.2...done.
Loaded symbols for /lib/libnss_nisplus.so.2
#0  0x080a0987 in xrealloc ()
(gdb) bt
#0  0x080a0987 in xrealloc ()
#1  0x0809d489 in mboxlist_findsub_alt ()
#2  0x0808bee5 in mboxlist_findsub_alt ()
#3  0x0807219b in cyrus_mutex_free ()
#4  0x08057dd4 in idle_update ()
#5  0x08050980 in shut_down ()
#6  0x0804f920 in strcpy () at strcpy:-1
#7  0x0804df29 in strcpy () at strcpy:-1
#8  0x40213657 in __libc_start_main (main=0x804d520 <strcpy+1284>, argc=1,
ubp_av=0xbfffe124,
    init=0x804c0d4 <_init>, fini=0x80a3f90 <_fini>, rtld_fini=0x4000dc54
<_dl_fini>, stack_end=0xbfffe11c)
    at ../sysdeps/generic/libc-start.c:129
(gdb)

Regards,
Simon

>
> Let me know.
> AJ
>
> Rob Siemborski wrote:
>> There were substantial changes in the handling of quotas in 2.2.4.
>> However, we're unable to replicate your problem.
>>
>> Can you generate a GDB backtrace from a core dump to show where the
>> segfault is occuring?
>>
>> On Fri, 21 May 2004, AJ wrote:
>>
>>> This problem does not appear in 2.2.3, I just wiped my entire 2.2.4
>>> install and installed 2.2.3 and no issues.  Ideas?
>>>
>>> AJ
>>>
>>> AJ wrote:
>>>
>>>> The pieces begin to come together here.. hopefully someone else
>>>> benefits from this post.  I have managed to track the problem down to
>>>> not just accounts with a dot in the mailbox name.
>>>> This problem is occuring on mailboxes with quotas only.
>>>> Mailboxes that do not have quotas do not experience this issue.
>>>> My imapd.conf file is below, does anyone know why this is happening?
>>>> Once I issue these command in cyradm, this issue happens for the
>>>> mary.jones mailbox.
>>>>
>>>> localhost> sq user/mary.smith 8192
>>>> quota:8192
>>>> localhost> lq user/mary.smith
>>>>  STORAGE 1/8192 (0.01220703125%)
>>>>
>>>> Here is imapd.conf:
>>>>
>>>> configdirectory: /var/cyrus/imap
>>>> partition-default: /var/cyrus/spool/imap
>>>> admins: cyrus
>>>> sievedir: /var/cyrus/sieve
>>>> sendmail: /usr/sbin/sendmail
>>>> hashimapspool: true
>>>> sasl_pwcheck_method: saslauthd
>>>> sasl_mech_list: PLAIN LOGIN
>>>> altnamespace: yes
>>>> unixhierarchysep: yes
>>>>
>>>> Thanks.
>>>> AJ
>>>>
>>>>
>>>> AJ wrote:
>>>>
>>>>> Here is an odd update to this...
>>>>> I tried to create another user with a dot and it works fine.
>>>>> It seems john.smith causes the error whereas al.jones does not.
>>>>> Has anyone seen anything like this?
>>>>>
>>>>> Thanks.
>>>>> AJ
>>>>>
>>>>> AJ wrote:
>>>>>
>>>>>> Hi,
>>>>>>  I have an odd problem.  I am running 2.2.4 fresh install and I
>>>>>> have an issue when using a mailbox with a . in the name, such as
>>>>>> user/john.smith
>>>>>> I have the unixhierarchysep: yes line in my imapd.conf.
>>>>>> Whenever I try to delete a message or move a message to another
>>>>>> folder with this mailbox, I generate these errors:
>>>>>>
>>>>>> May 21 18:44:58 linux-beta master[2745]: process 2753 exited,
>>>>>> signaled to death by 11
>>>>>> May 21 18:44:58 linux-beta master[2745]: service imap pid 2753 in
>>>>>> BUSY state: terminated abnormally
>>>>>>
>>>>>> And I get errors on the client that said the connection was
>>>>>> terminated before the command could complete.
>>>>>>
>>>>>> It looks like the files get "copied" but not moved, so it appears
>>>>>> to be a delete issue.
>>>>>>
>>>>>> Users that do not have a . in their mailbox name do not have this
>>>>>> problem.  Has anyone seen this?  I have another version of 2.2.4
>>>>>> running, and this does not happen there, but that version was
>>>>>> upgraded.
>>>>>> The only other difference is that the version that has this issue
>>>>>> is running bdb 4.2.x and the other system is running 4.1.x.
>>>>>> I just wanted to throw this out there to see if anyone knows
>>>>>> anything about this.
>>>>>>
>>>>>> Thanks.
>>>>>> AJ
>>>>>> ---
>>>>>> Cyrus Home Page: http://asg.web.cmu.edu/cyrus
>>>>>> Cyrus Wiki/FAQ: http://cyruswiki.andrew.cmu.edu
>>>>>> List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>> ---
>>> Cyrus Home Page: http://asg.web.cmu.edu/cyrus
>>> Cyrus Wiki/FAQ: http://cyruswiki.andrew.cmu.edu
>>> List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
>>>
>>>
>>
>> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
>> Rob Siemborski * Andrew Systems Group * Cyert Hall 207 * 412-268-7456
>> Research Systems Programmer * /usr/contributed Gatekeeper
>>
> ---
> Cyrus Home Page: http://asg.web.cmu.edu/cyrus
> Cyrus Wiki/FAQ: http://cyruswiki.andrew.cmu.edu
> List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
>
>


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