求助：在使用Seagate移动硬盘时遇到问题了！

zhiyizhi

uname -a
Linux debian 2.6.32-5-amd64 #1 SMP Thu Nov 3 03:41:26 UTC 2011 x86_64 GNU/Linux

问题描述：当把seagate移动硬盘umount的时候，系统经常会发出“嘀”的一声，然后是如下的错误信息：
Kernel failure message 1:
BUG: unable to handle kernel paging request at 00000000ffffffff
IP: [<ffffffffa0120ad3>] exit_sg+0xbbc/0x7a [sg]
PGD 0
Oops: 0000 [#1] SMP
last sysfs file: /sys/devices/pci0000:00/0000:00:1a.0/class
CPU 1
Modules linked in: nls_utf8 isofs acpi_cpufreq cpufreq_powersave cpufreq_stats cpufreq_conservative cpufreq_userspace tun binfmt_misc uinput fuse ext2 loop arc4 ecb snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss iwlagn snd_pcm iwlcore snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device mac80211 led_class snd cfg80211 uvcvideo videodev v4l1_compat soundcore joydev v4l2_compat_ioctl32 snd_page_alloc i2c_i801 evdev rfkill video nvidia(P) battery ac wmi output i2c_core pcspkr psmouse serio_raw processor button ext4 mbcache jbd2 crc16 sg sr_mod sd_mod cdrom crc_t10dif usbhid usb_storage hid ahci thermal ehci_hcd e1000e libata usbcore nls_base scsi_mod thermal_sys [last unloaded: scsi_wait_scan]
Pid: 273, comm: scsi_eh_6 Tainted: P           2.6.32-5-amd64 #1 4180PQC
RIP: 0010:[<ffffffffa0120ad3>]  [<ffffffffa0120ad3>] exit_sg+0xbbc/0x7a [sg]
RSP: 0018:ffff880119c5dd18  EFLAGS: 00010086
RAX: ffffffffa0120ad0 RBX: ffff880119eb08d0 RCX: 0000000000000000
RDX: ffff88011b716400 RSI: ffff8800b8886a80 RDI: ffff880119eb08d0
RBP: ffff8800b8886a80 R08: ffff88011c4154d8 R09: ffff88011b645040
R10: 0000000100014c0a R11: 0000000000000282 R12: ffff880119eb08d0
R13: 00000000fffffffb R14: ffff8800b8886a80 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff880005440000(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 00000000ffffffff CR3: 0000000001001000 CR4: 00000000000406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process scsi_eh_6 (pid: 273, threadinfo ffff880119c5c000, task ffff880119ce7100)
Stack:
ffffffff81176af3 00000000fffffffb ffff8800b8886a80 ffff8800b8886a80
<0>
Buffer I/O error on device sdb, logical block 0
ffffffff8117e48a 0000000000000286 ffff8800b8886a80 ffff880119eb08d0
<0> ffffffff8117e9be ffff88011b645000 ffff880119df63a8 ffffffffa00209d7
Call Trace:
[<ffffffff81176af3>] ? elv_completed_request+0x4d/0xaf
[<ffffffff8117e48a>] ? __blk_put_request+0x2e/0xb0
[<ffffffff8117e9be>] ? blk_end_bidi_request+0x3a/0x56
[<ffffffffa00100bf>] ? scsi_io_completion+0x3b6/0x3fa [scsi_mod]
[<ffffffffa000cbc0>] ? scsi_eh_flush_done_q+0xe3/0x104 [scsi_mod]
[<ffffffffa000ddd3>] ? scsi_error_handler+0x3cb/0x5b5 [scsi_mod]
[<ffffffffa000da08>] ? scsi_error_handler+0x0/0x5b5 [scsi_mod]
[<ffffffff81064cc5>] ? kthread+0x79/0x81
Buffer I/O error on device sdb, logical block 0
[<ffffffff81011baa>] ? child_rip+0xa/0x20
[<ffffffff81064c4c>] ? kthread+0x0/0x81
[<ffffffff81011ba0>] ? child_rip+0x0/0x20
Code: e9 ec 11 a0 ff ff ff ff 09 ed 11 a0 ff ff ff ff 09 ed 11 a0 ff ff ff ff d5 ec 11 a0 ff ff ff ff d5 ec 11 a0 ff ff ff ff 80 13 12 <a0> ff ff ff ff 00 00 00 00 00 00 00 00 97 e8 11 a0 ff ff ff ff
RIP  [<ffffffffa0120ad3>] exit_sg+0xbbc/0x7a [sg]
RSP <ffff880119c5dd18>
CR2: 00000000ffffffff
---[ end trace c9df66bd3a622c56 ]---

我不知如何处理。希望得到帮助，谢谢先！