From: Justin Maggard Subject: Re: System hang with EXT4 Date: Thu, 10 Dec 2009 18:17:09 -0800 Message-ID: <150c16850912101817g497588b2g3aa4dcaf7c5aed7a@mail.gmail.com> References: <150c16850911231816t514bb1dds4deb541b14a5bad6@mail.gmail.com> <20091208151816.GB3141@atrey.karlin.mff.cuni.cz> <150c16850912091723x7659bf4ke42f209595ceb147@mail.gmail.com> <150c16850912101541k5293b3d7l947b5850fed707b1@mail.gmail.com> <150c16850912101543q231fb703u130c9e646289a8fe@mail.gmail.com> <87fx7ixppv.fsf@openvz.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: ext4 development To: Dmitry Monakhov Return-path: Received: from mail-pw0-f42.google.com ([209.85.160.42]:40646 "EHLO mail-pw0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757750AbZLKCRE convert rfc822-to-8bit (ORCPT ); Thu, 10 Dec 2009 21:17:04 -0500 Received: by pwj9 with SMTP id 9so305049pwj.21 for ; Thu, 10 Dec 2009 18:17:09 -0800 (PST) In-Reply-To: <87fx7ixppv.fsf@openvz.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Thu, Dec 10, 2009 at 5:29 PM, Dmitry Monakhov = wrote: > Justin Maggard writes: >> I have a little more information to add. =A0After noticing the recen= t >> "Fix potential quota deadlock" patch on the mailing list, I figured = it >> would be worth a shot to try it without quotas enabled. =A0This also >> avoids the system hang. =A0I tried applying that patch, but still ha= d >> the same symptoms using that kernel. =A0So I'm seeing a consistent >> system hang with ext4 when delalloc and quotas are enabled on an SMP >> system. =A0With either quotas or delalloc disabled, it doesn't hang. >> Both enabled on a single processor system also doesn't hang. > You also may try another patch > "[PATCH] ext4: fix sleep inside spinlock issue aka #14739 V2" Yes, that patch looks like it did the trick. Thanks! -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html