I am running LFS 6.2 built about 12 months ago. In the last several weeks I had this sytem lockup three times. Now I'm seeing the below in my kern.log. What is this information telling me about the system?
Feb 21 08:35:18 server kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000 Feb 21 08:35:18 server kernel: printing eip: Feb 21 08:35:18 server kernel: 00000000 Feb 21 08:35:18 server kernel: *pde = 00000000 Feb 21 08:35:18 server kernel: Oops: 0000 [#1] Feb 21 08:35:18 server kernel: PREEMPT Feb 21 08:35:18 server kernel: Modules linked in: Feb 21 08:35:18 server kernel: CPU: 0 Feb 21 08:35:18 server kernel: EIP: 0060:[<00000000>] Tainted: G B VLI Feb 21 08:35:18 server kernel: EFLAGS: 00010087 (2.6.16.27 #6) Feb 21 08:35:18 server kernel: EIP is at _stext+0x3feffde0/0x30 Feb 21 08:35:18 server kernel: eax: f553e34c ebx: 00000000 ecx: 0000007d edx: 00000001 Feb 21 08:35:18 server kernel: esi: f553e348 edi: f553eb58 ebp: f3abfe60 esp: f3abfe38 Feb 21 08:35:18 server kernel: ds: 007b es: 007b ss: 0068 Feb 21 08:35:18 server kernel: Process qmgr (pid: 2166, threadinfo=f3abe000 task=f3aa3a70) Feb 21 08:35:18 server kernel: Stack: <0>c0113bc3 f553e34c 00000001 00000000 00000000 00000001 00000001 f3abe000 Feb 21 08:35:18 server kernel: 00000000 00000282 f3abfe7c c011454f 00000000 00000000 f5553c80 f5553c80 Feb 21 08:35:18 server kernel: f56b2b40 0000000f c033ecc3 00000000 00000000 f56b2b40 f3abe000 c0390a29 Feb 21 08:35:18 server kernel: Call Trace: Feb 21 08:35:18 server kernel: [<c0113bc3>] __wake_up_common+0x43/0x70 Feb 21 08:35:18 server kernel: [<c011454f>] __wake_up+0x2f/0x60 Feb 21 08:35:18 server kernel: [<c033ecc3>] sock_def_readable+0x33/0x80 Feb 21 08:35:18 server kernel: [<c0390a29>] unix_stream_connect+0x429/0x490 Feb 21 08:35:18 server kernel: [<c033c20e>] sys_connect+0x8e/0xc0 Feb 21 08:35:18 server kernel: [<c033c768>] sys_socket+0x38/0x60 Feb 21 08:35:18 server kernel: [<c033c866>] sys_socketcall+0xd6/0x2b0 Feb 21 08:35:18 server kernel: [<c016d31d>] sys_fcntl64+0x4d/0xa0 Feb 21 08:35:18 server kernel: [<c0102fd7>] sysenter_past_esp+0x54/0x75 Feb 21 08:35:18 server kernel: Code: Bad EIP value. Feb 21 08:35:18 server kernel: <6>note: qmgr[2166] exited with preempt_count 2 Feb 21 08:40:08 server kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000 Feb 21 08:40:08 server kernel: printing eip: Feb 21 08:40:08 server kernel: 00000000 Feb 21 08:40:08 server kernel: *pde = 00000000 Feb 21 08:40:08 server kernel: Oops: 0000 [#2] Feb 21 08:40:08 server kernel: PREEMPT Feb 21 08:40:08 server kernel: Modules linked in: Feb 21 08:40:08 server kernel: CPU: 0 Feb 21 08:40:08 server kernel: EIP: 0060:[<00000000>] Tainted: G B VLI Feb 21 08:40:08 server kernel: EFLAGS: 00010087 (2.6.16.27 #6) Feb 21 08:40:08 server kernel: EIP is at _stext+0x3feffde0/0x30 Feb 21 08:40:08 server kernel: eax: f553e34c ebx: 00000000 ecx: 0000007e edx: 00000001 Feb 21 08:40:08 server kernel: esi: f553e348 edi: f553eb58 ebp: d2d03e60 esp: d2d03e38 Feb 21 08:40:08 server kernel: ds: 007b es: 007b ss: 0068 Feb 21 08:40:08 server kernel: Process qmgr (pid: 25914, threadinfo=d2d02000 task=cb82b570) Feb 21 08:40:08 server kernel: Stack: <0>c0113bc3 f553e34c 00000001 00000000 00000000 00000001 00000001 d2d02000 Feb 21 08:40:08 server kernel: 00000000 00000282 d2d03e7c c011454f 00000000 00000000 f5553c80 f5553c80 Feb 21 08:40:08 server kernel: da30a680 0000000f c033ecc3 00000000 00000000 da30a680 d2d02000 c0390a29 Feb 21 08:40:08 server kernel: Call Trace: Feb 21 08:40:08 server kernel: [<c0113bc3>] __wake_up_common+0x43/0x70 Feb 21 08:40:08 server kernel: [<c011454f>] __wake_up+0x2f/0x60 Feb 21 08:40:08 server kernel: [<c033ecc3>] sock_def_readable+0x33/0x80 Feb 21 08:40:08 server kernel: [<c0390a29>] unix_stream_connect+0x429/0x490 Feb 21 08:40:08 server kernel: [<c033c20e>] sys_connect+0x8e/0xc0 Feb 21 08:40:08 server kernel: [<c033c768>] sys_socket+0x38/0x60 Feb 21 08:40:08 server kernel: [<c033c866>] sys_socketcall+0xd6/0x2b0 Feb 21 08:40:08 server kernel: [<c016d31d>] sys_fcntl64+0x4d/0xa0 Feb 21 08:40:08 server kernel: [<c0102fd7>] sysenter_past_esp+0x54/0x75 Feb 21 08:40:08 server kernel: Code: Bad EIP value. Feb 21 08:40:08 server kernel: <6>note: qmgr[25914] exited with preempt_count 2 Feb 21 08:42:11 server kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000 repeats many times Thanks for any clues or suggestions! -- John McSwain http://www.lakemcgregor.com/ -- http://linuxfromscratch.org/mailman/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/lfs/faq.html Unsubscribe: See the above information page
