Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 16 Sep 2008 18:45:17 +0200
From:      "Ivan Voras" <ivoras@freebsd.org>
To:        "Alfred Perlstein" <alfred@freebsd.org>
Cc:        stable@freebsd.org, freebsd-threads@freebsd.org
Subject:   Re: Apache-worker stuck at 100% CPU
Message-ID:  <9bbcef730809160945y8f472bfw60af0d22149d9376@mail.gmail.com>
In-Reply-To: <20080916164203.GL36572@elvis.mu.org>
References:  <gadgrb$4uc$1@ger.gmane.org> <20080912165808.GE16977@elvis.mu.org> <9bbcef730809121444u34991c52m2cbc01a8ada47eb5@mail.gmail.com> <20080912225251.GG16977@elvis.mu.org> <9bbcef730809151604i28533745m286e7314810d0362@mail.gmail.com> <20080916022738.GJ36572@elvis.mu.org> <9bbcef730809160212m72fffc7k93d0c92ace2b7c19@mail.gmail.com> <20080916164203.GL36572@elvis.mu.org>

next in thread | previous in thread | raw e-mail | index | archive | help
2008/9/16 Alfred Perlstein <alfred@freebsd.org>:
> * Ivan Voras <ivoras@freebsd.org> [080916 02:12] wrote:

>> Sorry, I should have been more verbose - "info threads" should work
>> but it doesn't - I can attach and get threads from a "regular"
>> multithreaded process, but when yesterday when I attached to the stuck
>> process, I couldn't get the list of threads. I'll try again the next
>> time it gets stuck and try to provide more information.
>
> If it happens again, you could try sending it a SIGABRT or SEGV
> and then trying to diagnose the core dump.
>
> Or try using gcore to generate a coredump and debug that.

It happens approximately every two days; I've rebuild apache with
debugging symbols so it will be easier to dig around this time.



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?9bbcef730809160945y8f472bfw60af0d22149d9376>