Pessoal, to usando o fedora core 3 e hoje de manha cheguei e no tty1 tinha esse erro.

Mar 7 04:09:51 localhost kernel: eip: 022b6d47
Mar 7 04:09:51 localhost kernel: ------------[ cut here ]------------
Mar 7 04:09:51 localhost kernel: kernel BUG at include/asm/spinlock.h:146!
Mar 7 04:09:51 localhost kernel: invalid operand: 0000 [#1]
Mar 7 04:09:51 localhost kernel: SMP
Mar 7 04:09:51 localhost kernel: Modules linked in: ipt_REJECT ipt_state ipt_limit ipt_REDIRECT
ipt_multiport iptable_nat ip_conntrack iptable_filter ip_tables md5 ipv6 parport_pc lp parport autofs4 i2c_dev i2c_core sunrpc dm_mod button battery ac uhci_hcd ehci_hcd snd_intel8x0 snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_page_alloc gameport snd_mpu401_uart snd_rawmidi snd_seq_device snd soundcore 3c59x floppy ext3 jbd ata_piix libata sd_mod scsi_mod
Mar 7 04:09:51 localhost kernel: CPU: 1
Mar 7 04:09:51 localhost kernel: EIP: 0060:[<022b8110>] Not tainted VLI
Mar 7 04:09:51 localhost kernel: EFLAGS: 00010006 (2.6.9-1.667smp)
Mar 7 04:09:51 localhost kernel: eax: 022b6d47 ebx: 00000246 ecx: 022cb9cd edx: 022cb9cd
Mar 7 04:09:51 localhost kernel: esi: 3e95b1ee edi: 4fdc9de4 ebp: 49584e10 esp: 4fdc9dc4
Mar 7 04:09:51 localhost kernel: ds: 007b es: 007b ss: 0068
Mar 7 04:09:51 localhost kernel: Process updatedb (pid: 7171, threadinfo=4fdc9000 task=49584e10)Mar 7 04:09:51 localhost kernel: Stack: 3e95b1e6 3eb99c2c 022b6d47 00000000 49584e10 0211cbc5 00000000 00000000
Mar 7 04:09:51 localhost kernel: 3e83cbc0 00000001 00000001 3e95b1e6 3eb99c2c 00000000 3e839804 022b6f04
Mar 7 04:09:51 localhost kernel: 3e95b1e6 4fdc9000 3e95b1c2 0219fbb9 00000000 00000000 3e95b1c2 3e97abc0
Mar 7 04:09:51 localhost kernel: Call Trace:
Mar 7 04:09:51 localhost kernel: [<022b6d47>] __down+0x3b/0xdb
Mar 7 04:09:51 localhost kernel: [<0211cbc5>] default_wake_function+0x0/0xc
Mar 7 04:09:51 localhost kernel: [<022b6f04>] __down_failed+0x8/0xc
Mar 7 04:09:51 localhost kernel: [<0219fbb9>] .text.lock.hooks+0x19/0x60
Mar 7 04:09:51 localhost kernel: [<02168069>] d_splice_alias+0xa0/0xb8
Mar 7 04:09:51 localhost kernel: [<828a938a>] ext3_lookup+0x6e/0x87 [ext3]
Mar 7 04:09:51 localhost kernel: [<0215ece4>] real_lookup+0x6e/0xd2
Mar 7 04:09:51 localhost kernel: [<0215ef01>] do_lookup+0x56/0x8f
Mar 7 04:09:51 localhost kernel: [<0215f736>] link_path_walk+0x7fc/0xba9
Mar 7 04:09:51 localhost kernel: [<0214f2ca>] copy_str_fromuser_size+0x3d/0x56
Mar 7 04:09:51 localhost kernel: [<0215fdf6>] path_lookup+0x144/0x174
Mar 7 04:09:51 localhost kernel: [<0215ff3a>] __user_walk+0x21/0x51
Mar 7 04:09:51 localhost kernel: [<0215b6a4>] vfs_lstat+0x11/0x37
Mar 7 04:09:51 localhost kernel: [<0215bc02>] sys_lstat64+0xf/0x23
Mar 7 04:09:51 localhost kernel: Code: <3>Debug: sleeping function called from invalid context at include/linux/rwsem.h:43
Mar 7 04:09:51 localhost kernel: in_atomic():0[expected: 0], irqs_disabled():1
Mar 7 04:09:51 localhost kernel: [<0211dbf3>] __might_sleep+0x7d/0x8a
Mar 7 04:09:51 localhost kernel: [<0214edd5>] rw_vm+0xe5/0x28c
Mar 7 04:09:51 localhost kernel: [<022b80e5>] _write_unlock+0x1/0x8
Mar 7 04:09:51 localhost kernel: [<022b80e5>] _write_unlock+0x1/0x8
Mar 7 04:09:51 localhost kernel: [<0214f239>] get_user_size+0x30/0x57
Mar 7 04:09:51 localhost kernel: [<022b80e5>] _write_unlock+0x1/0x8
Mar 7 04:09:51 localhost kernel: [<021061c4>] show_registers+0x115/0x16c
Mar 7 04:09:51 localhost kernel: [<0210635b>] die+0xdb/0x16b
Mar 7 04:09:51 localhost kernel: [<021066cd>] do_invalid_op+0x0/0xd5
Mar 7 04:09:51 localhost kernel: [<021066cd>] do_invalid_op+0x0/0xd5
Mar 7 04:09:51 localhost kernel: [<02106799>] do_invalid_op+0xcc/0xd5
Mar 7 04:09:51 localhost kernel: [<828a5689>] ext3_get_block_handle+0x9e/0x27d [ext3]
Mar 7 04:09:51 localhost kernel: [<022b8110>] _spin_lock_irqsave+0x20/0x45
Mar 7 04:09:51 localhost kernel: [<0211ded7>] autoremove_wake_function+0xd/0x2d
Mar 7 04:09:51 localhost kernel: [<0211cc07>] __wake_up_common+0x36/0x51
Mar 7 04:09:51 localhost kernel: [<0211cc4b>] __wake_up+0x29/0x3c
Mar 7 04:09:51 localhost kernel: [<022b6d47>] __down+0x3b/0xdb
Mar 7 04:09:51 localhost kernel: [<0212007b>] emit_log_char+0xb/0x62
Mar 7 04:09:51 localhost kernel: [<022b8110>] _spin_lock_irqsave+0x20/0x45
Mar 7 04:09:51 localhost kernel: [<022b6d47>] __down+0x3b/0xdb
Mar 7 04:09:51 localhost kernel: [<0211cbc5>] default_wake_function+0x0/0xc
Mar 7 04:09:51 localhost kernel: [<022b6f04>] __down_failed+0x8/0xc
Mar 7 04:09:51 localhost kernel: [<0219fbb9>] .text.lock.hooks+0x19/0x60
Mar 7 04:09:51 localhost kernel: [<02168069>] d_splice_alias+0xa0/0xb8
Mar 7 04:09:51 localhost kernel: [<828a938a>] ext3_lookup+0x6e/0x87 [ext3]
Mar 7 04:09:51 localhost kernel: [<0215ece4>] real_lookup+0x6e/0xd2
Mar 7 04:09:51 localhost kernel: [<0215ef01>] do_lookup+0x56/0x8f
Mar 7 04:09:51 localhost kernel: [<0215f736>] link_path_walk+0x7fc/0xba9
Mar 7 04:09:51 localhost kernel: [<0214f2ca>] copy_str_fromuser_size+0x3d/0x56
Mar 7 04:09:51 localhost kernel: [<0215fdf6>] path_lookup+0x144/0x174
Mar 7 04:09:51 localhost kernel: [<0215ff3a>] __user_walk+0x21/0x51
Mar 7 04:09:51 localhost kernel: [<0215b6a4>] vfs_lstat+0x11/0x37
Mar 7 04:09:51 localhost kernel: [<0215bc02>] sys_lstat64+0xf/0x23
Mar 7 04:09:51 localhost kernel: Bad EIP value.
Mar 7 04:10:21 localhost kernel: eip: 02139d01
Mar 7 04:10:21 localhost kernel: ------------[ cut here ]------------
Mar 7 04:10:21 localhost kernel: kernel BUG at include/asm/spinlock.h:133!
Mar 7 04:10:21 localhost kernel: invalid operand: 0000 [#2]
Mar 7 04:10:21 localhost kernel: SMP
Mar 7 04:10:21 localhost kernel: Modules linked in: ipt_REJECT ipt_state ipt_limit ipt_REDIRECT
ipt_multiport iptable_nat ip_conntrack iptable_filter ip_tables md5 ipv6 parport_pc lp parport autofs4 i2c_dev i2c_core sunrpc dm_mod button battery ac uhci_hcd ehci_hcd snd_intel8x0 snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_page_alloc gameport snd_mpu401_uart snd_rawmidi snd_seq_device snd soundcore 3c59x floppy ext3 jbd ata_piix libata sd_mod scsi_mod
Mar 7 04:10:21 localhost kernel: CPU: 0
Mar 7 04:10:21 localhost kernel: EIP: 0060:[<022b8152>] Not tainted VLI
Mar 7 04:10:21 localhost kernel: EFLAGS: 00010006 (2.6.9-1.667smp)
Mar 7 04:10:21 localhost kernel: EIP is at _spin_lock_irq+0x1d/0x35
Mar 7 04:10:21 localhost kernel: eax: 022cb9cd ebx: 3e97a608 ecx: 04524e24 edx: 02139d01
Mar 7 04:10:21 localhost kernel: esi: 3e97a5f8 edi: 04524e9c ebp: 04524e84 esp: 04524e28
Mar 7 04:10:21 localhost kernel: ds: 007b es: 007b ss: 0068
ar 7 04:10:21 localhost kernel: 04524e9c 00000000 04524f54 02170976 00000000 00000010 04524e90 00000000
Mar 7 04:10:21 localhost kernel: 00000000 ffffffff 00000000 00000000 00000000 045f1ce0 00000000 00000000
Mar 7 04:10:21 localhost kernel: Call Trace:
Mar 7 04:10:21 localhost kernel: [<02139d01>] find_get_pages_tag+0x16/0x66
Mar 7 04:10:21 localhost kernel: [<02141f77>] pagevec_lookup_tag+0x1b/0x22
Mar 7 04:10:21 localhost kernel: [<02170976>] mpage_writepages+0x2be/0x318
Mar 7 04:10:21 localhost kernel: [<0239007b>] pci_direct_init+0x3f/0xcd
Mar 7 04:10:21 localhost kernel: [<022b82be>] _spin_unlock_irqrestore+0x2b/0x2d
Mar 7 04:10:21 localhost kernel: [<0213e8f3>] mapping_tagged+0x2b/0x34
Mar 7 04:10:21 localhost kernel: [<0216f1f4>] __sync_single_inode+0x5f/0x1c0
Mar 7 04:10:21 localhost kernel: [<0216f587>] sync_sb_inodes+0x1a7/0x274
Mar 7 04:10:21 localhost kernel: [<0213ea7c>] pdflush+0x0/0x1e
Mar 7 04:10:21 localhost kernel: [<0216f6e5>] writeback_inodes+0x91/0xde
Mar 7 04:10:21 localhost kernel: [<0213e1fb>] wb_kupdate+0x7b/0xde
Mar 7 04:10:21 localhost kernel: [<0213e9e8>] __pdflush+0xec/0x180
Mar 7 04:10:21 localhost kernel: [<0213ea96>] pdflush+0x1a/0x1e
Mar 7 04:10:21 localhost kernel: [<0213e180>] wb_kupdate+0x0/0xde
Mar 7 04:10:21 localhost kernel: [<0213ea7c>] pdflush+0x0/0x1e
Mar 7 04:10:21 localhost kernel: [<021300dd>] kthread+0x73/0x9b
Mar 7 04:10:21 localhost kernel: [<0213006a>] kthread+0x0/0x9b
Mar 7 04:10:21 localhost kernel: [<021041f1>] kernel_thread_helper+0x5/0xb
Mar 7 04:10:21 localhost kernel: Code: 90 80 3e 00 7e f9 fa eb e8 89 d8 5b 5e c3 53 89 c3 fa 81
78 04 ad 4e ad de 74 18 ff 74 24 04 68 cd b9 2c 02 e8 f5 7f e6 ff 58 5a <0f> 0b 85 00 49 ab 2c 02 f0 fe 0b 79 09 f3 90 80 3b 00 7e f9 eb
Mar 7 04:16:09 localhost crond(pam_unix)[6496]: session closed for user root

:?
Amigos que diabos de erro é isso ai, não consegui entender, é a primeira vez que isso me acontece.E olhei os logs e não há nada de aparentemente estranho.
Para finalizar isso eu posso dar um ctrl+c?
Desde já eu agradeco

André