From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id n193HN08215456 for ; Sun, 8 Feb 2009 21:17:24 -0600 Received: from mx2.redhat.com (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 1C17118F2233 for ; Sun, 8 Feb 2009 19:16:45 -0800 (PST) Received: from mx2.redhat.com (mx2.redhat.com [66.187.237.31]) by cuda.sgi.com with ESMTP id KDNJSkMlYUb0mpPm for ; Sun, 08 Feb 2009 19:16:45 -0800 (PST) Message-ID: <498F9A53.3090409@sandeen.net> Date: Sun, 08 Feb 2009 20:52:03 -0600 From: Eric Sandeen MIME-Version: 1.0 Subject: Re: XFS kernel BUG at fs/buffer.c:470! with 2.6.28.4 References: <1234011974.7435.11.camel@champagne.cantina> <20090208222859.GA2532@infradead.org> <1234132752.12370.0.camel@champagne.cantina> <20090208224249.GA11931@infradead.org> <1234133120.12370.7.camel@champagne.cantina> In-Reply-To: <1234133120.12370.7.camel@champagne.cantina> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Alessandro Bono Cc: Christoph Hellwig , linux-xfs , linux-kernel Alessandro Bono wrote: > On Sun, 2009-02-08 at 17:42 -0500, Christoph Hellwig wrote: >> On Sun, Feb 08, 2009 at 11:39:12PM +0100, Alessandro Bono wrote: >>> On Sun, 2009-02-08 at 17:28 -0500, Christoph Hellwig wrote: >>>> On Sat, Feb 07, 2009 at 02:06:13PM +0100, Alessandro Bono wrote: >>>>> Feb 7 12:43:12 champagne kernel: [ 5828.167041] ------------[ cut >>>>> here ]------------ >>>>> Feb 7 12:43:12 champagne kernel: [ 5828.167048] kernel BUG at >>>>> fs/buffer.c:470! >>>> Per >>>> http://git.kernel.org/?p=linux/kernel/git/hpa/linux-2.6-allstable.git;a=blob;f=fs/buffer.c;h=665d446b25bc034241ef54c3c6b1d239c0ccf0f9;hb=d5b562330ec766292a3ac54ae5e0673610bd5b3d >>>> >>>> line 470 in fs/buffer.c of 2.6.28.4 has a comment and no actual code. >>>> >>>> What additional patches do you have applied? >>>> >>> vanilla kernel >>> no additional patches at all >> Well, the 2.6.28.4 clearly doesn't have a bug there. Can you >> attach the fs/buffer.c you built the kernel from? >> > > sure, attached Well, that seems to not be from the kernel you were running; there is no BUG() on line 470: $ cat -n buffer.c | grep -8 " 470" 462 bdevname(bh->b_bdev, b)); 463 } 464 set_bit(AS_EIO, &page->mapping->flags); 465 set_buffer_write_io_error(bh); 466 clear_buffer_uptodate(bh); 467 SetPageError(page); 468 } 469 470 first = page_buffers(page); 471 local_irq_save(flags); 472 bit_spin_lock(BH_Uptodate_Lock, &first->b_state); 473 474 clear_buffer_async_write(bh); 475 unlock_buffer(bh); 476 tmp = bh->b_this_page; 477 while (tmp != bh) { 478 if (buffer_async_write(tmp)) { _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs