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    SubjectRe: Problems with USB disk
    Date
    On Wednesday 08 August 2007 13:48:29 you wrote:
    > On Tuesday 07 August 2007 23:18, Greg KH wrote:
    > > On Tue, Aug 07, 2007 at 10:26:15PM +0200, Niels wrote:
    > >> Hi,
    > >>
    > >> I'm having problems with a new 500 GB USB disk. It works, but sometimes
    > >> I get these in dmesg:
    > >>
    > >>
    > >> usb 1-3: reset high speed USB device using ehci_hcd and address 2
    > >> usb 5-1: USB disconnect, address 2
    > >> drivers/usb/class/usblp.c: usblp0: removed
    > >> sd 0:0:0:0: Device not ready: <6>: Sense Key : 0x2 [current]
    > >>
    > >> : ASC=0x4 ASCQ=0x2
    > >>
    > >> end_request: I/O error, dev sda, sector 254148215
    > >> sd 0:0:0:0: Device not ready: <6>: Sense Key : 0x2 [current]
    > >>
    > >> : ASC=0x4 ASCQ=0x2
    > >>
    > >> end_request: I/O error, dev sda, sector 252434023
    > >> EXT3-fs error (device sda1): ext3_find_entry: reading directory
    > >> #15761836 offset 0
    > >>
    > >>
    > >> There's also a printer connected. This is on a pci/usb2 card. When the
    > >> above happens, I get I/O errors. When I mount the drive next, there are
    > >> errors and often missing files. Quite annoying!
    > >>
    > >> Kernel is 2.6.21
    > >>
    > >> What's going on?
    > >
    > > You have a low voltage issue, or a bad cable. The device is
    > > electronically disconnecting itself. Try using a externally-powered
    > > hub, or a new cable.

    I am seeing a similar problem with 2.6.22 and 2.6.23-* kernels with my 60G
    iPod Video, works fine with 2.6.18 kernel though.

    Rehards,
    ismail



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