From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A8DAD7CB4 for ; Fri, 26 Aug 2016 07:56:41 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 7970D304039 for ; Fri, 26 Aug 2016 05:56:41 -0700 (PDT) Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id nTK2tVy0jcWc1oML (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Fri, 26 Aug 2016 05:56:39 -0700 (PDT) Date: Fri, 26 Aug 2016 05:56:36 -0700 From: Christoph Hellwig Subject: Re: [PATCH v8 00/71] xfs: add reflink and dedupe support Message-ID: <20160826125636.GA1548@infradead.org> References: <147216791538.867.12413509832420924168.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <147216791538.867.12413509832420924168.stgit@birch.djwong.org> 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 Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: "Darrick J. Wong" Cc: linux-xfs@vger.kernel.org, xfs@oss.sgi.com FTI, with your djwong-devel tree I see sporadic slab corruption when running xfstests with reflinks force enabled in mkfs. And while the trace looks like from the rmap code it doesn't happen without the reflink patches. Example during xfs/313 below: [14751.774252] Slab corruption (Tainted: G W ): xfs_cui_item start=ffff88013afb3748, len=408 [14751.775170] Redzone: 0x9f911029d74e35b/0x9f911029d74e35b [14751.775731] Last user: [](xfs_cui_item_free+0x1c/0x30) [14751.776397] 070: 6b 6b 6b 6b 6b 6b 6b 6b 6a 6b 6b 6b 6b 6b 6b 6b kkkkkkkkjkkkkkkk [14751.777157] Single bit error detected. Probably bad RAM. [14751.777591] Run memtest86+ or a similar memory test tool. [14751.778015] Prev obj: start=ffff88013afb3598, len=408 [14751.778468] Redzone: 0x9f911029d74e35b/0x9f911029d74e35b [14751.778940] Last user: [](xfs_cui_item_free+0x1c/0x30) [14751.779621] 000: 6b 6b 6b 6b 6b 00 01 02 03 6b 6b 6b 6b 6b 6b 6b kkkkk....kkkkkkk [14751.780378] 010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [14751.781140] Next obj: start=ffff88013afb38f8, len=408 [14751.781639] Redzone: 0x9f911029d74e35b/0x9f911029d74e35b [14751.782216] Last user: [](xfs_cui_item_free+0x1c/0x30) [14751.782885] 000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [14751.783608] 010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [14751.784287] Slab corruption (Tainted: G W ): xfs_bui_item start=ffff880131b67048, len=184 [14751.785126] Redzone: 0x9f911029d74e35b/0x9f911029d74e35b [14751.785979] Last user: [](xfs_bui_release+0x44/0x70)0 [14751.786636] 070: 6b 6b 6b 6b 6b 6b 6b 6b 6a 6b 6b 6b 6b 6b 6b 6b kkkkkkkkjkkkkkkk [14751.787414] Single bit error detected. Probably bad RAM. [14751.787948] Run memtest86+ or a similar memory test tool. [14751.788477] Next obj: start=ffff880131b67118, len=184 [14751.789002] Redzone: 0x9f911029d74e35b/0x9f911029d74e35b [14751.789559] Last user: [](xfs_bui_release+0x44/0x70) [14751.790259] 000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [14751.791055] 010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs