From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Heflin Subject: Re: bonnie++ on md device causes reboot on new motherboard Date: Tue, 03 Feb 2009 19:02:58 -0600 Message-ID: <4988E942.1060402@gmail.com> References: <20090203041450.GA2107@sewage.raw-sewage.fake> <4988061B.2020904@dgreaves.com> <18824.24876.76210.433309@stoffel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <18824.24876.76210.433309@stoffel.org> Sender: linux-raid-owner@vger.kernel.org To: John Stoffel Cc: David Greaves , Matt Garman , linux-raid@vger.kernel.org List-Id: linux-raid.ids John Stoffel wrote: > David> Matt Garman wrote: >>> Anyone seen anything like this or have any ideas where I can start >>> looking for more information? > > David> netconsole? > David> http://www.mjmwired.net/kernel/Documentation/networking/netconsole.txt > > Or a serial console... > > David> At least then you may see what the error is. And for a crash > David> like this I'd contact your distro kernel team too (not sure > David> about lkml with 2.6.24 but probably) > >>>From the sounds of it, it's a Hardware problem of some sort. I'd run > a full memtest86 on the box, as well as some sort of CPU torture. > Check all your cables, possibly remove two of the four disks, etc. > > Remove as much memory as possible, re-seat memory board, etc. Have > you checked the BIOS version? Have you reset the BIOS defaults to the > 'safe' or 'default' settings? Don't bother tweaking stuff to get more > speed, go for stability. The second you have porblems with stability, > you've lost all that time you saved by tweaking things. :] > > I would second the HW issue, if the machine is doing a full reset with no printout out of any type I would think PS, or some other serious HW issue, Linux generally does not crash without some error message. How big of PS do you have? I would try just dding the 4 disks at the same time and see if that also crashes. And then if you can remove 2 disks from the machine and retest.