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SubjectProblem with external USB2 drive
Date
Hi

[Please CC me any reply as I'm not subsribed to the list]

I have the following hardware:

Sony Vaio A317
Pentium M @ 1.7Ghz
Internal SATA 80Gb HDD
An external 200Gb Seagate HDD connected through USB2

Distribution is PCLinuxOS which comes with kernel 2.6.12.5 with patches (i'm
using the lastes, 2.6.12-oci3):

http://pclinuxfiles.com/ocilent1/kernel/2.6.X-oci-kernel-changelog

My problem is the USB HDD drive. If I let a process read/write on this drive
constantly (like a P2P program) on a FAT32 partition, after a few hours I
*always* have these errors in the kernel log (note that with the prior kernel
2.6.12-oci2 based on 2.6.12.3 I had a system freeze without any log or
recovery possible with SysRq and machine does not asnwer to ping)

Sep 12 05:22:48 vaio kernel: SCSI error : <2 0 0 0> return code = 0x8000002
Sep 12 05:22:48 vaio kernel: sdb: Current: sense key: Hardware Error
Sep 12 05:22:48 vaio kernel: Additional sense: Data phase error
Sep 12 05:22:48 vaio kernel: end_request: I/O error, dev sdb, sector 323277908
Sep 12 05:22:48 vaio kernel: Buffer I/O error on device sdb6, logical block
126047840
Sep 12 05:22:54 vaio kernel: usb 1-1: reset high speed USB device using
ehci_hcd and address 2
Sep 12 05:22:54 vaio kernel: scsi: Device offlined - not ready after error
recovery: host 2 channel 0 id 0 lun 0
Sep 12 05:22:54 vaio kernel: SCSI error : <2 0 0 0> return code = 0x8000002
Sep 12 05:22:54 vaio kernel: Unrecognized sense data (in hex):
Sep 12 05:22:54 vaio kernel: 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00
Sep 12 05:22:54 vaio kernel: 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00
Sep 12 05:22:54 vaio kernel: end_request: I/O error, dev sdb, sector 323277909
Sep 12 05:22:54 vaio kernel: Buffer I/O error on device sdb6, logical block
126047841
Sep 12 05:22:54 vaio kernel: scsi2 (0:0): rejecting I/O to offline device
Sep 12 05:22:54 vaio kernel: Buffer I/O error on device sdb6, logical block
126047842
Sep 12 05:22:54 vaio kernel: Buffer I/O error on device sdb6, logical block
126047843
Sep 12 05:22:54 vaio kernel: Buffer I/O error on device sdb6, logical block
126047844
Sep 12 05:22:54 vaio kernel: Buffer I/O error on device sdb6, logical block
126047845
Sep 12 05:22:54 vaio kernel: Buffer I/O error on device sdb6, logical block
126047846
Sep 12 05:22:54 vaio kernel: Buffer I/O error on device sdb6, logical block
126047847
Sep 12 05:22:54 vaio kernel: Buffer I/O error on device sdb6, logical block
126047848
Sep 12 05:22:54 vaio kernel: Buffer I/O error on device sdb6, logical block
126047849
Sep 12 05:22:54 vaio kernel: Buffer I/O error on device sdb6, logical block
126047850
Sep 12 05:22:54 vaio kernel: scsi2 (0:0): rejecting I/O to offline device
Sep 12 05:22:57 vaio last message repeated 37 times
Sep 12 05:22:57 vaio kernel: FAT: FAT read failed (blocknr 14512)
Sep 12 05:22:57 vaio kernel: scsi2 (0:0): rejecting I/O to offline device


That could be a hardware failure but I'm quite sure it's not the case because
I never had this crashes using Ubuntu Hoary which use a custom kernel 2.6.10
and Kubuntu Breezy with kernel 2.6.12. After googling I found people with
similar problem with less recent kernels and often with big partitions.

Here's the partiton table of the drive:

Disk /dev/sdb: 200.0 GB, 200049647616 bytes
255 heads, 63 sectors/track, 24321 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/sdb1 * 1 9727 78132096 b W95 FAT32
/dev/sdb2 9728 24321 117226305 f W95 Ext'd (LBA)
/dev/sdb5 9728 12277 20482843+ 7 HPFS/NTFS
/dev/sdb6 12278 24321 96743398+ b W95 FAT32

modules:


Module Size Used by
ipw2200 94056 0
binfmt_misc 8744 1
firmware_class 7520 1 ipw2200
ieee80211 27972 1 ipw2200
ieee80211_crypt 4424 2 ipw2200,ieee80211
af_packet 16552 0
usbkbd 5984 0
loop 13480 0
nls_cp850 4544 3
vfat 10464 3
fat 47324 1 vfat
nls_iso8859_1 3744 5
ntfs 211128 2
ide_cd 39236 0
sonypi 20744 2
cpufreq_ondemand 5116 0
cpufreq_userspace 3324 1
cpufreq_powersave 1376 0
speedstep_centrino 6484 1
snd_seq_dummy 2596 0
snd_seq_oss 31424 0
snd_seq_midi_event 5664 1 snd_seq_oss
snd_seq 47952 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_seq_device 6892 3 snd_seq_dummy,snd_seq_oss,snd_seq
snd_pcm_oss 48032 0
snd_mixer_oss 16896 1 snd_pcm_oss
snd_hda_intel 13440 0
snd_hda_codec 79168 1 snd_hda_intel
snd_pcm 80292 3 snd_pcm_oss,snd_hda_intel,snd_hda_codec
snd_timer 20772 2 snd_seq,snd_pcm
snd 46404 9
snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_hda_intel,snd_hda_codec,snd_pcm,snd_timer
soundcore 7008 1 snd
snd_page_alloc 8488 2 snd_hda_intel,snd_pcm
button 4880 0
thermal 10920 0
processor 18516 2 speedstep_centrino,thermal
fan 3172 0
ac 3332 0
battery 8196 0
hci_usb 12584 0
bluetooth 42244 1 hci_usb
usbmouse 4320 0
usbhid 44032 0
intel_agp 20412 1
agpgart 29832 1 intel_agp
rtc 9848 0
evdev 7488 0
dm_mod 52156 0
uhci_hcd 29648 0
BusLogic 79028 0
aic7xxx 192712 0
scsi_transport_spi 17216 1 aic7xxx
aha152x 37552 0
a100u2w 9408 0
sata_vsc 5060 0
sata_via 5636 0
sata_svw 4996 0
sata_sil 6116 0
sata_promise 7908 0
sata_sis 4256 0
sata_nv 6212 0
usb_storage 72768 3
ehci_hcd 28808 0
usbcore 109308 8
usbkbd,hci_usb,usbmouse,usbhid,uhci_hcd,usb_storage,ehci_hcd
sg 34108 0
sr_mod 15300 0
cdrom 38656 2 ide_cd,sr_mod
ext3 128744 1
jbd 49880 1 ext3
sd_mod 16272 9
ata_piix 7300 4
libata 42148 8
sata_vsc,sata_via,sata_svw,sata_sil,sata_promise,sata_sis,sata_nv,ata_piix
scsi_mod 126792 11
BusLogic,aic7xxx,scsi_transport_spi,aha152x,a100u2w,sata_promise,usb_storage,sg,sr_mod,sd_mod,libata

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