From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Gleixner Subject: Re: 2.6.20-rc4-mm1 Date: Sun, 14 Jan 2007 15:40:16 +0100 Message-ID: <1168785616.2941.67.camel@localhost.localdomain> References: <20070111222627.66bb75ab.akpm@osdl.org> <1168768104.2941.53.camel@localhost.localdomain> <1168771617.2941.59.camel@localhost.localdomain> Reply-To: tglx@linutronix.de Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from www.osadl.org ([213.239.205.134]:49728 "EHLO mail.tglx.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751295AbXANOeI (ORCPT ); Sun, 14 Jan 2007 09:34:08 -0500 In-Reply-To: <1168771617.2941.59.camel@localhost.localdomain> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Andrew Morton Cc: linux-kernel@vger.kernel.org, jgarzik@pobox.com, linux-ide@vger.kernel.org, axboe@kernel.dk On Sun, 2007-01-14 at 11:46 +0100, Thomas Gleixner wrote: > > Boot proceeds, but gets stuck hard at: > > "Remounting root filesystem in read-write mode:" > > > > No SysRq-T, nothing. > > > > The above BUG seems unrelated to that. Investigating further. > > Bisect identified: git-block.patch Does only happen on 2 systems. Both have sata + raid1 setup. I managed to get a stacktrace from the SMP box. Sits there and sleeps forever. tglx [] io_schedule+0x7a/0x9a [] sleep_on_page+0x8/0xc [] __wait_on_bit+0x36/0x5d [] wait_on_page_bit+0x5b/0x61 [] wait_on_page_writeback_range+0x4f/0xef [] filemap_fdatawait+0x44/0x49 [] filemap_write_and_wait+0x22/0x2d [] sync_blockdev+0x17/0x1d [] quota_sync_sb+0x33/0xd6 [] sync_dquots+0x22/0xfa [] __fsync_super+0x17/0x66 [] fsync_super+0xb/0x19 [] do_remount_sb+0x49/0x101 [] do_mount+0x1ad/0x678 [] sys_mount+0x6f/0xa4 [] sysenter_past_esp+0x5f/0x99