From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Christopher S. Aker" Subject: Re: unable to handle kernel paging request at virtual address Date: Mon, 03 Mar 2008 11:06:20 -0500 Message-ID: <47CC21FC.80603@theshore.net> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Keir Fraser Cc: xen devel List-Id: xen-devel@lists.xenproject.org Here's another report from a user who crashed, then was trying to umount a partition... # umount /home sb orphan head is 176344 sb_info orphan list: BUG: unable to handle kernel paging request at virtual address 017902bd printing eip: c0315435 10723000 -> *pde = 00000002:2cca1027 0336b000 -> *pme = 00000000:00000000 Oops: 0000 [#1] SMP Modules linked in: CPU: 0 EIP: 0061:[] Not tainted VLI EFLAGS: 00010097 (2.6.18.8-domU-linode7 #1) EIP is at vsnprintf+0x437/0x615 eax: 017902bd ebx: ffffffff ecx: 017902bd edx: fffffffe esi: c05d118b edi: c05d1580 ebp: c04d325c esp: d5969e04 ds: 007b es: 007b ss: 0069 Process umount (pid: 2314, ti=d5968000 task=c1d54570 task.ti=d5968000) Stack: 00000fff c1306180 c052e3a0 c0349c51 00002270 00000015 00000400 c05d1180 00002285 00000000 ffffffff ffffffff d5969ee4 c04d325c 00000400 d594612c 00000000 d5dc8e00 c0315627 d5969ee0 c3611e5c c011c30f d5969ee0 c04847ef Call Trace: [] kcons_write+0x0/0xc9 [] vscnprintf+0x14/0x21 [] vprintk+0x6e/0x3c1 [] __wait_on_bit+0x54/0x5e [] sync_buffer+0x0/0x34 [] wake_bit_function+0x0/0x3c [] printk+0x1b/0x1f [] ext3_put_super+0x12b/0x1f6 [] generic_shutdown_super+0x82/0x121 [] kill_block_super+0x1d/0x2d [] deactivate_super+0x53/0x66 [] sys_umount+0x3e/0x21e [] do_page_fault+0x10f/0xc70 [] unmap_region+0x101/0x117 [] sys_stat64+0xf/0x33 [] remove_vma+0x31/0x36 [] do_munmap+0x177/0x1cd [] sys_oldumount+0x17/0x1b [] syscall_call+0x7/0xb Code: 42 fc ff ff 8b 44 24 4c 83 c0 04 89 44 24 30 8b 54 24 4c 8b 0a 81 f9 ff 0f 00 00 b8 d5 f6 4d c0 0f 46 c8 8b 54 24 2c 89 c8 eb 06 <80> 38 00 74 07 40 4a 83 fa ff 75 f4 29 c8 89 c3 8b 6c 24 28 f6 EIP: [] vsnprintf+0x437/0x615 SS:ESP 0069:d5969e04 BUG: warning at kernel/exit.c:854/do_exit() [] do_exit+0x8c6/0x8cb [] printk+0x1b/0x1f [] cfq_dispatch_requests+0x4e4/0x5a0 [] die+0x2c6/0x2d7 [] do_page_fault+0x787/0xc70 [] run_timer_softirq+0x3a/0x1d3 [] handle_input+0x91/0xd8 [] memmove+0x24/0x2a [] do_page_fault+0x0/0xc70 [] error_code+0x2b/0x30 [] vsnprintf+0x437/0x615 [] kcons_write+0x0/0xc9 [] vscnprintf+0x14/0x21 [] vprintk+0x6e/0x3c1 [] __wait_on_bit+0x54/0x5e [] sync_buffer+0x0/0x34 [] wake_bit_function+0x0/0x3c [] printk+0x1b/0x1f [] ext3_put_super+0x12b/0x1f6 [] generic_shutdown_super+0x82/0x121 [] kill_block_super+0x1d/0x2d [] deactivate_super+0x53/0x66 [] sys_umount+0x3e/0x21e [] do_page_fault+0x10f/0xc70 [] unmap_region+0x101/0x117 [] sys_stat64+0xf/0x33 [] remove_vma+0x31/0x36 [] do_munmap+0x177/0x1cd [] sys_oldumount+0x17/0x1b [] syscall_call+0x7/0xb -Chris