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Sep 14 13:59:42 localhost kernel: ----------- [cut here ] --------- [please bite here ] ---------
Sep 14 13:59:42 localhost kernel: Kernel BUG at "drivers/char/mxser.c":999
Sep 14 13:59:42 localhost kernel: invalid operand: 0000 [18] SMP
Sep 14 13:59:42 localhost kernel: CPU 1
Sep 14 13:59:42 localhost kernel: Modules linked in: nfsd exportfs lockd nfs_acl sunrpc raw md5 ipv6 sg ppdev sr_mod vmnet parport_pc parport vmmon snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_intel8x0 snd_ac97_codec snd_pcm snd_timer snd_page_alloc snd soundcore forcedeth af_packet floppy video thermal tc1100_wmi processor fan container button battery ac ide_cd loop nls_koi8_r nls_cp866 vfat fat supermount mxser nvidia tsdev ehci_hcd ohci_hcd usbcore evdev reiserfs sd_mod sata_nv libata scsi_mod
Sep 14 13:59:42 localhost kernel: Pid: 10467, comm: smbd Tainted: P 2.6.12-12mdksmp
Sep 14 13:59:42 localhost kernel: RIP: 0010:[_end+133925416/2131591168] <ffffffff884e0a28>{:mxser:mxser_close+56}
Sep 14 13:59:42 localhost kernel: RIP: 0010:[<ffffffff884e0a28>] <ffffffff884e0a28>{:mxser:mxser_close+56}
Sep 14 13:59:42 localhost kernel: RSP: 0018:ffff810034addce8 EFLAGS: 00010246
Sep 14 13:59:42 localhost kernel: RAX: ffffffff884e09f0 RBX: 0000000000000000 RCX: 0000000000000000
Sep 14 13:59:42 localhost kernel: RDX: ffff81007b8e2a00 RSI: ffff81003763ce80 RDI: ffff8100398c8000
Sep 14 13:59:42 localhost kernel: RBP: ffff81003763ce80 R08: 0000000000000000 R09: ffff8100398c8b00
Sep 14 13:59:42 localhost kernel: R10: 0000000000000000 R11: 0000000000000001 R12: ffff8100398c8000
Sep 14 13:59:42 localhost kernel: R13: ffff81003763ce80 R14: ffffffff80407660 R15: ffffffff80407660
Sep 14 13:59:42 localhost kernel: FS: 00002aaaac4c4ca0(0000) GS:ffffffff804d5d80(0000) knlGS:000000005573b6c0
Sep 14 13:59:42 localhost kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Sep 14 13:59:42 localhost kernel: CR2: 00005555555f8990 CR3: 0000000038874000 CR4: 00000000000006e0
Sep 14 13:59:42 localhost kernel: Process smbd (pid: 10467, threadinfo ffff810034adc000, task ffff810038e517d0)
Sep 14 13:59:42 localhost kernel: Stack: ffff8100398c8000 ffff81003763ce80 0000000000000000 ffff81003763ce80
Sep 14 13:59:42 localhost kernel: ffffffff80407660 ffffffff802941fb ffff810000000000 0000000e00000000
Sep 14 13:59:42 localhost kernel: 0000000000000292 ffff8100398c8000
Sep 14 13:59:42 localhost kernel: Call Trace:<ffffffff802941fb>{release_dev+651} <ffffffff80294f9d>{init_dev+1181}
Sep 14 13:59:42 localhost kernel: <ffffffff801ba88d>{filemap_nopage+381} <ffffffff80295358>{tty_open+616}
Sep 14 13:59:42 localhost kernel: <ffffffff801e88a3>{chrdev_open+387} <ffffffff801de2c4>{dentry_open+260}
Sep 14 13:59:42 localhost kernel: <ffffffff801de462>{filp_open+66} <ffffffff801f9bc9>{fcntl_setlk+713}
Sep 14 13:59:42 localhost kernel: <ffffffff801dce33>{get_unused_fd+227} <ffffffff801dec94>{sys_open+84}
Sep 14 13:59:42 localhost kernel: <ffffffff8010eb1e>{system_call+126}
Sep 14 13:59:42 localhost kernel:
Sep 14 13:59:42 localhost kernel: Code: 0f 0b 88 31 4e 88 ff ff ff ff e7 03 4c 8d ab 04 02 00 00 4c
Sep 14 13:59:42 localhost kernel: RIP <ffffffff884e0a28>{:mxser:mxser_close+56} RSP <ffff810034addce8>
Sep 14 13:59:42 localhost kernel: ----------- [cut here ] --------- [please bite here ] ---------

сабж
после этого система немного поработав вешается напроч...