Summary: - The kernel crashed due to oops at log_do_checkpoint+0xa1/0x230. Could generate the kdump successfully and a osdl bugme 4683 is opened to track the oops and putting kdump analysis report http://bugme.osdl.org/show_bug.cgi?id=4683 Details and Dump analysis: -------------------------- Oops message: ================================ Jun 2 11:37:42 salk kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000 Jun 2 11:37:42 salk kernel: printing eip: Jun 2 11:37:42 salk kernel: c01e9451 Jun 2 11:37:42 salk kernel: *pde = 00000000 Jun 2 11:37:42 salk kernel: Oops: 0002 [#1] Jun 2 11:37:42 salk kernel: PREEMPT SMP Jun 2 11:37:42 salk kernel: Modules linked in: w83781d i2c_sensor i2c_i801 i2c_core e1000 e100 mii Jun 2 11:37:42 salk kernel: CPU: 1 Jun 2 11:37:42 salk kernel: EIP: 0060:[log_do_checkpoint+161/560] Not tainted VLI Jun 2 11:37:42 salk kernel: EFLAGS: 00210213 (2.6.12-rc4-mm2-patched) Jun 2 11:37:42 salk kernel: EIP is at log_do_checkpoint+0xa1/0x230 Jun 2 11:37:42 salk kernel: eax: 00000002 ebx: e531f680 ecx: 00000001 edx: d5664000 Jun 2 11:37:42 salk kernel: esi: 00000000 edi: e983cd34 ebp: d5665dcc esp: d5665c90 Jun 2 11:37:42 salk kernel: ds: 007b es: 007b ss: 0068 Jun 2 11:37:42 salk kernel: Process DiskFSTest (pid: 2576, threadinfo=d5664000 task=f7c65550) Jun 2 11:37:42 salk kernel: Stack: f741cae4 f73e05e4 d5665cc0 d5665cb8 d5665cbc d5664000 000c485b ebd54958 Jun 2 11:37:42 salk kernel: f74b9880 f741cae4 00000000 00000006 e70c99f0 e70c9330 e70c9cc0 e70c9c00 Jun 2 11:37:42 salk kernel: e70c9960 e70c9c30 e70c9c60 e70c9c90 e70c9cf0 ecf0ce40 e70c9d20 e70c9d80 Jun 2 11:37:42 salk kernel: Call Trace: Jun 2 11:37:42 salk kernel: [show_stack+127/160] show_stack+0x7f/0xa0 Jun 2 11:37:42 salk kernel: [show_registers+355/464] show_registers+0x163/0x1d0 Jun 2 11:37:42 salk kernel: [die+257/400] die+0x101/0x190 Jun 2 11:37:42 salk kernel: [do_page_fault+821/1651] do_page_fault+0x335/0x673 Jun 2 11:37:42 salk kernel: [error_code+79/84] error_code+0x4f/0x54 Jun 2 11:37:42 salk kernel: [__log_wait_for_space+159/192] __log_wait_for_space+0x9f/0xc0 Jun 2 11:37:42 salk kernel: [start_this_handle+255/864] start_this_handle+0xff/0x360 Jun 2 11:37:42 salk kernel: [journal_start+168/208] journal_start+0xa8/0xd0 Jun 2 11:37:42 salk kernel: [ext3_create+55/240] ext3_create+0x37/0xf0 Jun 2 11:37:42 salk kernel: [vfs_create+131/240] vfs_create+0x83/0xf0 Jun 2 11:37:42 salk kernel: [open_namei+1536/1632] open_namei+0x600/0x660 Jun 2 11:37:42 salk kernel: [filp_open+60/96] filp_open+0x3c/0x60 Jun 2 11:37:42 salk kernel: [sys_open+76/240] sys_open+0x4c/0xf0 Jun 2 11:37:42 salk kernel: [syscall_call+7/11] syscall_call+0x7/0xb Jun 2 11:37:42 salk kernel: Code: 04 89 85 dc fe ff ff 8b 5a 28 8b 43 30 89 df 89 85 e0 fe ff ff 90 8d 74 26 00 89 fb b8 01 00 00 00 8b 7f 2c 8b 33 e8 7f 21 f3 ff <f0> 0f ba 2e 13 19 c0 85 c0 0f 85 43 01 00 00 89 5c 24 04 8b 55 Jun 2 11:37:42 salk kernel: <0>Fatal exception: panic in 5 seconds Jun 2 11:37:42 salk kernel: scheduling while atomic: DiskFSTest/0x00000002/2576 Jun 2 11:37:42 salk kernel: [dump_stack+30/48] dump_stack+0x1e/0x30 Jun 2 11:37:42 salk kernel: [schedule+3348/3360] schedule+0xd14/0xd20 Jun 2 11:37:42 salk kernel: [schedule_timeout+87/176] schedule_timeout+0x57/0xb0 Jun 2 11:37:42 salk kernel: [msleep+64/80] msleep+0x40/0x50 Jun 2 11:37:42 salk kernel: [die+340/400] die+0x154/0x190 Jun 2 11:37:42 salk kernel: [do_page_fault+821/1651] do_page_fault+0x335/0x673 Jun 2 11:37:42 salk kernel: [error_code+79/84] error_code+0x4f/0x54 Jun 2 11:37:42 salk kernel: [__log_wait_for_space+159/192] __log_wait_for_space+0x9f/0xc0 Jun 2 11:37:42 salk kernel: [start_this_handle+255/864] start_this_handle+0xff/0x360 Jun 2 11:37:42 salk kernel: [journal_start+168/208] journal_start+0xa8/0xd0 Jun 2 11:37:42 salk kernel: [ext3_create+55/240] ext3_create+0x37/0xf0 Jun 2 11:37:42 salk kernel: [vfs_create+131/240] vfs_create+0x83/0xf0 Jun 2 11:37:42 salk kernel: [open_namei+1536/1632] open_namei+0x600/0x660 Jun 2 11:37:42 salk kernel: [filp_open+60/96] filp_open+0x3c/0x60 Jun 2 11:37:42 salk kernel: [sys_open+76/240] sys_open+0x4c/0xf0 Jun 2 11:37:42 salk kernel: [syscall_call+7/11] syscall_call+0x7/0xb ================================