Return-Path: Delivered-To: apmail-httpd-users-archive@www.apache.org Received: (qmail 8186 invoked from network); 7 Jul 2008 12:07:37 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 7 Jul 2008 12:07:37 -0000 Received: (qmail 99303 invoked by uid 500); 7 Jul 2008 12:07:27 -0000 Delivered-To: apmail-httpd-users-archive@httpd.apache.org Received: (qmail 99283 invoked by uid 500); 7 Jul 2008 12:07:27 -0000 Mailing-List: contact users-help@httpd.apache.org; run by ezmlm Precedence: bulk Reply-To: users@httpd.apache.org list-help: list-unsubscribe: List-Post: List-Id: Delivered-To: mailing list users@httpd.apache.org Received: (qmail 99272 invoked by uid 99); 7 Jul 2008 12:07:27 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 07 Jul 2008 05:07:27 -0700 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: local policy) Received: from [85.25.137.41] (HELO mail.brainsware.org) (85.25.137.41) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 07 Jul 2008 12:06:35 +0000 Received: from [192.168.1.142] (chello080108088228.14.11.vie.surfer.at [80.108.88.228]) (Authenticated sender: i.galic@brainsware.org) by mail.brainsware.org (Postfix) with ESMTP id EC43828000C for ; Mon, 7 Jul 2008 14:06:46 +0200 (CEST) Date: Mon, 7 Jul 2008 12:03:34 +0000 (UTC) From: =?ISO-8859-2?Q?Igor_Gali=E6?= X-X-Sender: jmcg@laptorix.bblan Reply-To: =?ISO-8859-2?Q?Igor_Gali=E6?= To: users@httpd.apache.org In-Reply-To: <20080707115339.17ae8909@grimnir> Message-ID: References: <20080707115339.17ae8909@grimnir> User-Agent: Alpine 1.10 (LNX 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Virus-Checked: Checked by ClamAV on apache.org Subject: Re: [users@httpd] mpm worker proxy: High CPU load, unresponsive >> I can often see in the error log that it segfaults, but it does not >> core-dump. mod_whatkilledus is mostly inconclusive, and mod_backtrace >> doesn't seem to hook in: > > Confusing! I wrote this mail over the last two days while collecting data, so maybe the wording is a bit off the track ;) > Couple of thoughts: > * Does this persist if you switch back to APR-1.2.latest? I don't know, haven't tried yet, right now I also don't have a possibility to try it out. > * You said on IRC that you got the crash with a traceback > with prefork. Does the traceback reveal anything? I have a couple of core dumps from different domains, and now I even found one from yesterday that was caused by the proxy (the log does't say that it core dumped): Core was generated by `/opt/bw/bin/httpd-worker -f /opt/bw/etc/apache/proxy/reverse_proxy-httpd.conf'. Program terminated with signal 11, Segmentation fault. #0 0x00002b61978fd86b in ?? () (gdb) where #0 0x00002b61978fd86b in ?? () #1 0x00007fff00000000 in ?? () #2 0x00000000006b1e78 in ?? () #3 0x0000000000000003 in ?? () #4 0x0000000000000028 in ?? () #5 0x000000001f5cfd7f in ?? () #6 0x00002b61978fdcdd in ?? () #7 0x0000000000000040 in ?? () #8 0x0000000000000010 in ?? () #9 0x000000029cb46fa0 in ?? () #10 0x0000003f00000028 in ?? () #11 0x00000000007d73f5 in ?? () #12 0x00007fff131b31e0 in ?? () #13 0x00007fff131b3368 in ?? () #14 0x0000000000000c70 in ?? () #15 0x0000000000000000 in ?? () (gdb) thread apply all bt Thread 1 (process 22492): #0 0x00002b61978fd86b in ?? () #1 0x00007fff00000000 in ?? () #2 0x00000000006b1e78 in ?? () #3 0x0000000000000003 in ?? () #4 0x0000000000000028 in ?? () #5 0x000000001f5cfd7f in ?? () #6 0x00002b61978fdcdd in ?? () #7 0x0000000000000040 in ?? () #8 0x0000000000000010 in ?? () #9 0x000000029cb46fa0 in ?? () #10 0x0000003f00000028 in ?? () #11 0x00000000007d73f5 in ?? () #12 0x00007fff131b31e0 in ?? () #13 0x00007fff131b3368 in ?? () #14 0x0000000000000c70 in ?? () #15 0x0000000000000000 in ?? () > -- > Nick Kew So long, Igor --------------------------------------------------------------------- The official User-To-User support forum of the Apache HTTP Server Project. See for more info. To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org " from the digest: users-digest-unsubscribe@httpd.apache.org For additional commands, e-mail: users-help@httpd.apache.org