From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1GqyXU-00005F-OS for user-mode-linux-devel@lists.sourceforge.net; Sun, 03 Dec 2006 13:06:20 -0800 Received: from smtp-vbr17.xs4all.nl ([194.109.24.37]) by mail.sourceforge.net with esmtp (Exim 4.44) id 1GqyXT-00088U-4o for user-mode-linux-devel@lists.sourceforge.net; Sun, 03 Dec 2006 13:06:20 -0800 Received: from localhost.localdomain (cubeadsl.xs4all.nl [82.92.220.254]) by smtp-vbr17.xs4all.nl (8.13.8/8.13.8) with ESMTP id kB3L69jr039762 for ; Sun, 3 Dec 2006 22:06:13 +0100 (CET) (envelope-from rsnel@cube.dyndns.org) Date: Sun, 3 Dec 2006 22:06:08 +0100 Message-ID: <20061203210608.GA2704@cube.dyndns.org> Mime-Version: 1.0 Content-Disposition: inline From: rsnel@cube.dyndns.org Subject: [uml-devel] ZONE_DMA and dm_create->init_emergency_isa_pool List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: user-mode-linux-devel-bounces@lists.sourceforge.net Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net To: user-mode-linux-devel@lists.sourceforge.net Hello, When I want to create a device mapper table in user-mode-linux, I get BUG: failure at mm/bounce.c:85/init_emergency_isa_pool()! (full stack trace below) I think this behaviour was introduced by: [PATCH] uml: get rid of ZONE_DMA use I got it to work by reversing the patch. Greetings, Rik. Trace: BUG: failure at mm/bounce.c:85/init_emergency_isa_pool()! Kernel panic - not syncing: BUG! EIP: 0073:[<401300c4>] CPU: 0 Not tainted ESP: 007b:bf433948 EFLAGS: 00000246 Not tainted EAX: ffffffda EBX: 00000003 ECX: c134fd03 EDX: 08050408 ESI: 400287c0 EDI: 40026180 EBP: bf433a98 DS: 007b ES: 007b 0901bd78: [<080686b0>] show_regs+0xb4/0xb9 0901bda4: [<0805a4c3>] panic_exit+0x25/0x3f 0901bdb8: [<0807b018>] notifier_call_chain+0x1d/0x3c 0901bdd8: [<0807b0a7>] atomic_notifier_call_chain+0x11/0x13 0901bdec: [<0806f96e>] panic+0x52/0xdd 0901be0c: [<0809b91b>] init_emergency_isa_pool+0x4b/0x5d 0901be28: [<080f3cbd>] blk_queue_bounce_limit+0x33/0x48 0901be3c: [<081106a5>] alloc_dev+0xf4/0x285 0901be64: [<081109c1>] dm_create+0xb/0x20 0901be70: [<08113205>] dev_create+0x3f/0x9b 0901be90: [<08114047>] ctl_ioctl+0xd7/0x10e 0901beb8: [<080ae385>] do_ioctl+0x45/0x5a 0901bed8: [<080ae717>] vfs_ioctl+0x1ec/0x209 0901bf00: [<080ae762>] sys_ioctl+0x2e/0x4c 0901bf28: [<0805ac46>] handle_syscall+0x86/0xa0 0901bf74: [<08065805>] handle_trap+0xbe/0xc7 0901bf90: [<08065bf3>] userspace+0x123/0x166 0901bfdc: [<0805a985>] fork_handler+0x74/0x7c 0901bffc: [] 0xa55a5a5a -- Nothing is ever a total loss; it can always serve as a bad example. ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel