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SubjectProblems with usb-storage and kernelversion> 2.4.4
Hi,
1. Problems using DataFab MD2 USB external Storage with newer Kernels and
module usb-storage (works in 2.4.4 no longer works in 2.4.10 and 2.4.12)

Keywords: usb-storage problems with 2.4.10 and later

Iam using module usb-storage to use an external ide-harddisk with ext2
filesystem. The device is mounted via /dev/sda1. With the following
configuration
it works fine for a longer time:

Working version Info gives:

Linux yucca 2.4.4-4GB #1 Mon Okt 15 16:31:37 CEST 2001 i686 unknown

Gnu C 2.95.3
Gnu make 3.79.1
binutils 2.11.90.0.29
util-linux 2.11i
mount 2.11i
modutils 2.4.8
e2fsprogs 1.24a
reiserfsprogs 3.x.0k-pre9
pcmcia-cs 3.1.28
PPP 2.4.1
isdn4k-utils 3.1pre2
Linux C Library x 1 root root 1384168 Sep 20 05:52
/lib/libc.so.6
Dynamic linker (ldd) 2.2.4
Procps 2.0.7
Net-tools 1.60
Kbd 1.04
Sh-utils 2.0
Modules Loaded usb-storage soundcore parport_pc lp parport
agpgart pcnet_cs 8390 ds yenta_socket pcmcia_core
ipv6 evdev input uhci iptable_nat ip_conntrack iptable_filter ip_tables
nls_iso8859-1 nls_cp437 reiserfs usbcore


output of /proc/bus/usb/devices is:

T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 0.00
S: Product=USB UHCI-alt Root Hub
S: SerialNumber=e800
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms
T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 4 Spd=12 MxCh= 0D:
Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=07c4 ProdID=0103 Rev= 9.04
S: Manufacturer=OnSpec Electronic, Inc.
S: Product=USB Disk
S: SerialNumber=B250F15150
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E: Ad=01(O) Atr=02(Bulk) MxPS= 64 Ivl= 0ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl= 0ms


After upgrading to 2.4.10 or 2.4.12, it no longer works and breaks with
problems
accessing /dev/sda1

Version Info is:


Linux yucca 2.4.12 #6 Mon Okt 15 15:06:05 CEST 2001 i686 unknown

Gnu C 2.95.3
Gnu make 3.79.1
binutils 2.11.90.0.29
util-linux 2.11i
mount 2.11i
modutils 2.4.8
e2fsprogs 1.24a
reiserfsprogs 3.x.0k-pre9
pcmcia-cs 3.1.28
PPP 2.4.1
isdn4k-utils 3.1pre2
Linux C Library x 1 root root 1384168 Sep 20 05:52
/lib/libc.so.6
Dynamic linker (ldd) 2.2.4
Procps 2.0.7
Net-tools 1.60
Kbd 1.04
Sh-utils 2.0
Modules Loaded usb-storage soundcore parport_pc lp parport
agpgart pcnet_cs 8390 ds yenta_socket pcmcia_core
ipv6 evdev input uhci iptable_nat ip_conntrack iptable_filter ip_tables
nls_iso8859-1 nls_cp437 reiserfs usbcore

/proc/bus/usb/devices is:

T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 0.00
S: Product=USB UHCI-alt Root Hub
S: SerialNumber=e800C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms
T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=12 MxCh= 0
D: Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=07c4 ProdID=0103 Rev= 9.04
S: Manufacturer=OnSpec Electronic, Inc.
S: Product=USB Disk
S: SerialNumber=B250F15150
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E: Ad=01(O) Atr=02(Bulk) MxPS= 64 Ivl= 0ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl= 0ms


/var/log/messages gives:


Oct 15 18:22:30 yucca kernel: hub.c: USB new device connect on bus1/1,
assigned device number 2
Oct 15 18:22:30 yucca kernel: usb.c: USB device 2 (vend/prod
0x7c4/0x103) is not claimed by any active driver.
Oct 15 18:22:31 yucca kernel: Initializing USB Mass Storage driver...
Oct 15 18:22:31 yucca kernel: usb.c: registered new driver usb-storage
Oct 15 18:22:31 yucca kernel: scsi0 : SCSI emulation for USB Mass
Storage devices
Oct 15 18:22:31 yucca kernel: Vendor: Model:
Rev:
Oct 15 18:22:31 yucca kernel: Type: Direct-Access
ANSI SCSI revision: 02
Oct 15 18:22:31 yucca kernel: Attached scsi removable disk sda at scsi0,
channel 0, id 0, lun 0
Oct 15 18:22:31 yucca kernel: SCSI device sda: 39070081 512-byte hdwr
sectors (20004 MB)
Oct 15 18:22:31 yucca kernel: sda: Write Protect is off
Oct 15 18:22:31 yucca kernel: sda: sda1
Oct 15 18:22:31 yucca kernel: WARNING: USB Mass Storage data integrity
not assured
Oct 15 18:22:31 yucca kernel: USB Mass Storage device found at 2
Oct 15 18:22:31 yucca kernel: USB Mass Storage support registered.
Oct 15 18:22:31 yucca insmod: Using
/lib/modules/2.4.12/kernel/drivers/usb/storage/usb-storage.o
Oct 15 18:22:31 yucca insmod: Symbol version prefix ''
Oct 15 18:23:05 yucca kernel: scsi: device set offline - not ready or
command retry failed after bus reset: host 0 channel 0 id 0 lun 0
Oct 15 18:23:05 yucca kernel: I/O error: dev 08:01, sector 0


fsck /dev/sda1 will result in:

fsck.ext2: Attempt to read block from filesystem resulted in short read
while
trying to open /dev/sda1
Could this be a zero-length partition?


Any hints?

Thanks in Advance
Chris


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