Доброго <времени суток>.
На сервере установлен Ubuntu 10.04, ядро 2.6.32-41
Поднят DHCP, DNS, 3proxy.
После перезагрузки (сервер завис) появились ошибки:
Jun 1 09:40:28 ViCont dhcpd: Wrote 0 new dynamic host decls to leases file.
Jun 1 09:40:28 ViCont dhcpd: Wrote 9 leases to leases file.
Jun 1 09:40:30 ViCont kernel: [ 59.555228] ppdev: user-space parallel port driver
Jun 1 09:40:44 ViCont kernel: [ 73.136085] BUG: unable to handle kernel NULL pointer dereference at (null)
Jun 1 09:40:44 ViCont kernel: [ 73.136153] IP: [<c05b6dba>] __mutex_lock_slowpath+0x9a/0x140
Jun 1 09:40:44 ViCont kernel: [ 73.136207] *pdpt = 000000001d6a6001 *pde = 000000001f118067 *pte = 0000000000000000
Jun 1 09:40:44 ViCont kernel: [ 73.136272] Oops: 0002 [#1] SMP
Jun 1 09:40:44 ViCont kernel: [ 73.136305] last sysfs file: /sys/module/parport/initstate
Jun 1 09:40:44 ViCont kernel: [ 73.136344] Modules linked in: ppdev ipt_REJECT bridge stp xt_state iptable_filter ipt_MASQUERADE xt_tcpudp iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 iptable_mangle ip_tables x_tables vga16fb vgastate i915 drm_kms_helper intel_agp drm agpgart i2c_algo_bit video output lp shpchp parport psmouse serio_raw fbcon tileblit font bitblit softcursor 8139too floppy e1000 8139cp mii
Jun 1 09:40:44 ViCont kernel: [ 73.136755]
Jun 1 09:40:44 ViCont kernel: [ 73.136773] Pid: 286, comm: plymouthd Not tainted (2.6.32-41-generic-pae #89-Ubuntu)
Jun 1 09:40:44 ViCont kernel: [ 73.136829] EIP: 0060:[<c05b6dba>] EFLAGS: 00010246 CPU: 1
Jun 1 09:40:44 ViCont kernel: [ 73.136868] EIP is at __mutex_lock_slowpath+0x9a/0x140
Jun 1 09:40:44 ViCont kernel: [ 73.136903] EAX: 00000000 EBX: df3a7808 ECX: df3a7810 EDX: df1a3f0c
Jun 1 09:40:44 ViCont kernel: [ 73.136946] ESI: df3a780c EDI: df3a7818 EBP: df1a3f24 ESP: df1a3f00
Jun 1 09:40:44 ViCont kernel: [ 73.136988] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Jun 1 09:40:44 ViCont kernel: [ 73.137003] Process plymouthd (pid: 286, ti=df1a2000 task=d7519980 task.ti=df1a2000)
Jun 1 09:40:44 ViCont kernel: [ 73.137003] Stack:
Jun 1 09:40:44 ViCont kernel: [ 73.137003] c138de20 d7519980 df3a7810 df3a7810 00000000 00000007 df3a7808 df3a7808
Jun 1 09:40:44 ViCont kernel: [ 73.137003] <0> dec39088 df1a3f34 c05b6d05 df3a7800 df3a7808 df1a3f44 c03e5c5f dd66ac80
Jun 1 09:40:44 ViCont kernel: [ 73.137003] <0> 00000008 df1a3f74 c0215cdf 00000003 00000000 00000000 de4de410 dec39088
Jun 1 09:40:44 ViCont kernel: [ 73.137003] Call Trace:
Jun 1 09:40:44 ViCont kernel: [ 73.137003] [<c05b6d05>] ? mutex_lock+0x25/0x40
Jun 1 09:40:44 ViCont kernel: [ 73.137003] [<c03e5c5f>] ? fb_release+0x1f/0x60
Jun 1 09:40:44 ViCont kernel: [ 73.137003] [<c0215cdf>] ? __fput+0xdf/0x1f0
Jun 1 09:40:44 ViCont kernel: [ 73.137003] [<c0215e0d>] ? fput+0x1d/0x30
Jun 1 09:40:44 ViCont kernel: [ 73.137003] [<c021234c>] ? filp_close+0x4c/0x80
Jun 1 09:40:44 ViCont kernel: [ 73.137003] [<c02123f5>] ? sys_close+0x75/0xc0
Jun 1 09:40:44 ViCont kernel: [ 73.137003] [<c01097cc>] ? syscall_call+0x7/0xb
Jun 1 09:40:44 ViCont kernel: [ 73.137003] Code: 83 79 18 63 7f b3 8d 76 00 8d 73 04 89 f0 e8 de 11 00 00 8d 53 08 89 55 e4 8d 55 e8 8b 43 0c 89 53 0c 8b 4d e4 89 45 ec 89 4d e8 <89> 10 8b 45 e0 ba ff ff ff ff 89 45 f0 89 d0 87 03 83 f8 01 74
Jun 1 09:40:44 ViCont kernel: [ 73.137003] EIP: [<c05b6dba>] __mutex_lock_slowpath+0x9a/0x140 SS:ESP 0068:df1a3f00
Jun 1 09:40:44 ViCont kernel: [ 73.137003] CR2: 0000000000000000
Jun 1 09:40:44 ViCont kernel: [ 73.145445] ---[ end trace 0a25e23bdf1c3e0f ]---
Jun 1 09:40:44 ViCont init: plymouth main process (286) killed by KILL signal
Jun 1 09:40:44 ViCont init: plymouth-stop pre-start process (1364) terminated with status 2
Что это может быть и где искать?