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Bug#312810: marked as done (Apache2 consumes 100% CPU after several LDAP authenticated requests)

Your message dated Sun, 12 Nov 2006 15:52:46 +0100
with message-id <1163343167.5324.50.camel@darwin.os9.nl>
and subject line Bug#312810: Apache2 consumes 100% CPU after several LDAP authenticated requests
has caused the attached Bug report to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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Debian bug tracking system administrator
(administrator, Debian Bugs database)
--- Begin Message --- 
Package: apache2-utils
Version: 2.0.54-4

It looks like this problem is related to bug #307567. Apache starts
consuming 100% CPU after some requests. Restarting Apache lets it serve
pages for a few minutes again.

Downgrading to apache* 2.0.54-2 fixed the problem. We use
apache2-mpm-prefork on an up-to-date sarge installation.

Backtrace is below.

gdb) backtrace
#0  0xb7e5d2e3 in apr_date_parse_rfc () from /usr/lib/libaprutil-0.so.0
#1  0xb7e5d4e8 in apr_date_parse_rfc () from /usr/lib/libaprutil-0.so.0
#2  0xb7e5db0c in apr_rmm_calloc () from /usr/lib/libaprutil-0.so.0
#3  0xb7a79a72 in util_ald_create_cache ()
   from /usr/lib/apache2/modules/mod_ldap.so
#4  0xb7a79968 in util_ald_create_caches ()
   from /usr/lib/apache2/modules/mod_ldap.so
#5  0xb7a777ec in util_ldap_cache_checkuserid ()
   from /usr/lib/apache2/modules/mod_ldap.so
#6  0xb7a6ebd5 in mod_auth_ldap_check_user_id ()
   from /usr/lib/apache2/modules/mod_auth_ldap.so
#7  0x08090035 in ap_run_check_user_id ()
#8  0x08090a2c in ap_process_request_internal ()
#9  0x08069c88 in ap_process_request ()
#10 0x0806512d in _start ()
#11 0x08a9fbf0 in ?? ()
#12 0x00000004 in ?? ()
#13 0x08a9fbf0 in ?? ()
#14 0xb7a38d80 in modperl_process_connection_handler ()
   from /usr/lib/apache2/modules/mod_perl.so
#15 0x080835f5 in ap_run_process_connection ()
#16 0x080769a4 in ap_graceful_stop_signalled ()
#17 0x08076af7 in ap_graceful_stop_signalled ()
#18 0x08076d89 in ap_graceful_stop_signalled ()
#19 0x08077475 in ap_mpm_run ()
#20 0x0807dabd in main ()
(gdb)

--- End Message ---
--- Begin Message --- 
Version: 2.2.3

Hi,

> We didn't see the problem anymore after we disabled HT and upgraded to
> 2.0.54-4 (we are running this for about a week). I'm OK with closing
> this bug, unless you want to try and debug the HT problem.

Since we're now shipping 2.2.3 in the archive I don't think it's
worthwhile to pursue this further. I'm closing this bug.


Thijs

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--- End Message ---
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