Date: Wed, 26 Jul 2006 08:07:25 -0400 From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org> To: "Rob Connon (Info)" <rob.info@vfs.com> Cc: freebsd-questions@freebsd.org Subject: Re: FreeBSD 6 Hard Lock no logs Message-ID: <44lkqgpo1u.fsf@be-well.ilk.org> In-Reply-To: <44C660AF.5040206@vfs.com> (Rob Connon's message of "Tue, 25 Jul 2006 11:19:27 -0700") References: <44C660AF.5040206@vfs.com>
next in thread | previous in thread | raw e-mail | index | archive | help
"Rob Connon (Info)" <rob.info@vfs.com> writes: > Hi, > > I have a web/mail server thats running the lastest version of FreeBSD > 6.0-RELEASE-p9 #4. In the last month or so it's started hard locking.. > when the machine locks up i can still ping it and get connects from > telneting to 80,22,etc sometimes i get a banner and sometimes i > dont.. but there are > no errors on the console or in the logs. > > The odd thing is the locking seems to happen within a certain time > window (mon,tues) and never end of the week or weekend.. i suspected > it could have been > a bad cron job but nothing falls into that time frame. > > As a test i've been rebooting the server everynight to see if that > would help the machine get past the begining of the week with out a > hang and again this morning > even though i rebooted last night at 10pm hung around 9:47am. > > The machine is a Dell PowerEdge 2550, I've had dell come and replace > the MB and have ran all their diagnostics aswell with no errors > reported.. > I've been reading alot about APIC and ACPI and people having similar > issues but nothing that fits the bill... below is the dmesg and output > of vmstat -i.. another odd thing is the rate for the CPU timer is > extremely high compared to other machines with similar hardware or > faster hardware. > > Any help on where to look next would be awesome. Try a debugging kernel and see if you can break to the debugger after the freeze. If so, youcan look at task states.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?44lkqgpo1u.fsf>