From mboxrd@z Thu Jan 1 00:00:00 1970 From: Josef Bacik Subject: Re: Kernel oops when running bonnie++ on btrfs Date: Thu, 13 Nov 2008 14:20:05 -0500 Message-ID: <20081113192005.GA17006@unused.rdu.redhat.com> References: <20081113184907.GA16224@tux64-02> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-btrfs@vger.kernel.org To: Lee Trager Return-path: In-Reply-To: <20081113184907.GA16224@tux64-02> List-ID: On Thu, Nov 13, 2008 at 01:49:07PM -0500, Lee Trager wrote: > I wanted to see how btrfs compares to other filesystems so I have been > running bonnie++ on it. While the results are good(much faster then > ext2) every once in awhile I get a kernel oops. I am testing on xubuntu > 8.10 with the 2.6.27-7-686 kernel using the latest git sources. Most of the > time the oops happens within 20min of running bonnie++ but sometimes it > takes a few hours. This happens with and without compression. > > To reproduce this bug you can run > > while true; do bonnie++ -s 5120 -n 4:524288:0:512; done > Thanks, still tracking down random places where we ENOSPC too soon. Have you updated today? There was a fix that went in earlier today that may help you. I wll run with your command and see if I can replicate here and fix it. Josef