From mboxrd@z Thu Jan 1 00:00:00 1970 From: Doug Ledford Subject: Re: Problem with Gdt driver under smp? Date: Thu, 31 Oct 2002 07:02:57 -0500 Sender: linux-scsi-owner@vger.kernel.org Message-ID: <20021031120257.GF23217@redhat.com> References: <3DC0EBB3.9030707@holidaymarketing.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <3DC0EBB3.9030707@holidaymarketing.com> List-Id: linux-scsi@vger.kernel.org To: Pedro Pla Cc: linux-scsi@vger.kernel.org On Thu, Oct 31, 2002 at 04:37:07PM +0800, Pedro Pla wrote: > Hello, > > I was wondering if there is any known problem with the Gdt driver under > an smp machine, I have a dual p3 scb2 motherboard, with 1-2GB ram, an > scrmr intel 0 channel raid controller and 3 hotswap disks. Initially I > thought it was a memory problem since the kernel was complaining at > mem_alloc:89, however as long as the memory I move is not read from the > disk (through a kernel compile, or a dd if=/dev/sda) then it seems to > work fine. A kernel compiled with no smp works fine as well. I've tried > kernels from the 2.2.22 to the 2.4.17-2.4.20-pre10-ac with pre11 patches > applied on top. > > The symptoms are segmentation faults, signal 11's, and occasionally > kernel oops at mem_alloc:89, I have also seen several kernel oops in > journal.c when I tried using ext3, I disactivated that but the faults > remained. It has also froze once and given a kernel oops while loading > the scsi driver at boot, and another time it simply rebooted the machine > when loading the driver. Any ideas? For now I will work with only one > cpu and smp disactivated since that gives no problems at all, but I > would like to be able to unleash the full power of these machines. Sounds like typical bad RAM problems. Run a memory test on your RAM. -- Doug Ledford 919-754-3700 x44233 Red Hat, Inc. 1801 Varsity Dr. Raleigh, NC 27606