From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Martin K. Petersen" Subject: Re: [PATCH] scsi_debug: Thin provisioning support Date: Thu, 29 Oct 2009 22:40:59 -0400 Message-ID: References: <20091029072322.GA25926@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from rcsinet11.oracle.com ([148.87.113.123]:49774 "EHLO rgminet11.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751097AbZJ3Cl7 (ORCPT ); Thu, 29 Oct 2009 22:41:59 -0400 In-Reply-To: <20091029072322.GA25926@infradead.org> (Christoph Hellwig's message of "Thu, 29 Oct 2009 03:23:22 -0400") Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Christoph Hellwig Cc: "Martin K. Petersen" , linux-scsi@vger.kernel.org >>>>> "Christoph" == Christoph Hellwig writes: Christoph> And a crash when using unmap_granularity=1 when using the Christoph> discard-enable mkfs.xfs binary from xfsprogs-dev.git: I was unable to reproduce. I also tried with xfs_trim. Both work fine. I guess I'll try with your two latest patches in the mix next. i386, x86_64, ppc? Christoph> qemu1:~/xfsprogs-dev# ./mkfs/mkfs.xfs -f /dev/sdb [ Christoph> 53.562041] BUG: unable to handle kernel paging request at Christoph> fcc80000 [ 53.563812] IP: [] Christoph> unmap_region+0xc7/0x120 ^^^^^^^^^^^^^^^^^ That's pretty odd. It's way beyond the end of unmap_region here. -- Martin K. Petersen Oracle Linux Engineering