From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hugh Dickins Subject: Re: Fw: crash on x86_64 - mm related? Date: Wed, 18 Jan 2006 16:00:58 +0000 (GMT) Message-ID: References: <20060104172727.GA320@tau.solarneutrino.net> <20060105201249.GB1795@tau.solarneutrino.net> <20060109033149.GC283@tau.solarneutrino.net> <20060109185350.GG283@tau.solarneutrino.net> <20060118001252.GB821@tau.solarneutrino.net> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Return-path: Received: from silver.veritas.com ([143.127.12.111]:55623 "EHLO silver.veritas.com") by vger.kernel.org with ESMTP id S1030366AbWARQAx (ORCPT ); Wed, 18 Jan 2006 11:00:53 -0500 In-Reply-To: <20060118001252.GB821@tau.solarneutrino.net> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Ryan Richter Cc: Linus Torvalds , Kai Makisara , James Bottomley , Nick Piggin , Andrew Morton , Linux Kernel Mailing List , linux-scsi@vger.kernel.org (A useless answer from me, sorry: can anyone else help?) On Tue, 17 Jan 2006, Ryan Richter wrote: > This machine experienced another random reboot today, nothing in the > logs or on the console etc. This is the 3rd time now since I upgraded > from 2.6.11.3. Is there any way to debug something like this? Nasty. I hope someone else can suggest something constructive. > I'm fairly certain it's not hardware-related. > Might this have something to do with the st problem? Well, it might: I've not been able to explain that at all, so cannot rule out a relation to your reboots. The st problem (Bad page state, mapcount 2 while count 0, from sgl_unmap_user_pages) ought to be a lot easier to debug than a random reboot: but I've still no suggestion. Hugh