From mboxrd@z Thu Jan 1 00:00:00 1970 From: Faidon Liambotis Subject: Re: Bug#557262: 2.6.31+2.6.31.4: XFS - All I/O locks up to D-state after 24-48 hours (sysrq-t+w available) - root cause found = asterisk Date: Sat, 21 Nov 2009 01:44:24 +0200 Message-ID: <4B0729D8.3000105@debian.org> References: <20091019030456.GS9464@discord.disaster> <20091020003358.GW9464@discord.disaster> Reply-To: Asterisk Users Mailing List - Non-Commercial Discussion Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: asterisk-users-bounces@lists.digium.com Errors-To: asterisk-users-bounces@lists.digium.com To: Justin Piszcz , 557262@bugs.debian.org Cc: linux-raid@vger.kernel.org, Dave Chinner , linux-kernel@vger.kernel.org, xfs@oss.sgi.com, submit@bugs.debian.org, asterisk-users@lists.digium.com, Alan Piszcz List-Id: linux-raid.ids Justin Piszcz wrote: > Found root cause-- root cause is asterisk PBX software. I use an SPA3102. > When someone called me, they accidentally dropped the connection, I called > them back in a short period. It is during this time (and the last time) > this happened that the box froze under multiple(!) kernels, always when > someone was calling. > I don't know what asterisk is doing but top did run before the crash > and asterisk was using 100% CPU and as I noted before all other processes > were in D-state. > > When this bug occurs, it freezes I/O to all devices and the only way to > recover > is to reboot the system. That's obviously *not* the root cause. It's not normal for an application that isn't even privileged to hang all I/O and, subsequently everything on a system. This is almost probably a kernel issue and asterisk just does something that triggers this bug. Regards, Faidon _______________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users