On Sun, 8 Feb 2004, Francis, Chong Chan Fai wrote:

> Hi,
> 
> I have my laptop installed with Fedora Core (Kernel 2.4.22), and I want to
> use a USB 2.0 120G hard drive via a Cardbus USB2.0 adaptor.
> I plug the Cardbus card, and then the USB2.0 HD, (after a few config) linux
> recognize my HD and I can use mount /dev/sda1 /mnt/extra to mount it.
> 
> HOWEVER, the disk fail after a few read or write operation. From error log:
> Feb  8 12:57:15 wind kernel: SCSI device sda: 234441648 512-byte hdwr
> sectors (120034 MB)
> Feb  8 12:57:15 wind kernel: sda: assuming drive cache: write through
> Feb  8 12:57:16 wind kernel:  sda: sda1 sda2 < sda5 >
> Feb  8 12:57:16 wind kernel: Attached scsi disk sda at scsi0, channel 0, id
> 0, lun 0
> Feb  8 12:57:16 wind kernel: EXT2-fs warning: mounting unchecked fs, running
> e2fsck is recommended
> Feb  8 13:13:40 wind kernel: SCSI error : <0 0 0 0> return code = 0x6000000
> Feb  8 13:13:40 wind kernel: end_request: I/O error, dev sda, sector
> 76276607
> Feb  8 13:15:30 wind kernel: SCSI error : <0 0 0 0> return code = 0x6000000
> Feb  8 13:15:30 wind kernel: end_request: I/O error, dev sda, sector
> 76276615
> 
> The drive than cannot recognize by the USB2.0 port again until reboot.
> 
> The same hardware work perfectly in Windows 2000,
> It works too when I connect the USB to a USB1.0 port in my machine, so I'm
> quite sure it is the problem with the ehci-hcd driver.
> 
> I have updated to 2.6.2 kernel, it doesnˇ¦t help. 
> Kernel setting like "acpi=off" "pci=biosirq" "acpi=off" doesnˇ¦t help
> neither.
> 
> Could any give me a help? Thank you very much!

Some more details about what goes wrong would be helpful.  Try configuring 
your kernel with usb-storage debugging turned on, and post the debugging 
log you get when the errors start occurring.

Alan Stern



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