Pendrive is not showing in ubuntu linux

Hello,
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More about pendrive showing ubuntu linux
  1. Can use give more specifics, for example, what version of Ubuntu you are using, hardware specs, if the problem is endemic to the computer or not etc.

    Thank you.
  2. i am using ubuntu with linux 2.6.32-25 version,120 gb hd& 1 gb ram.in windows os pendrive is detecting but not opening nor formatting,
  3. Please post the following:

    //plug in USB device, then run
    dmesg|tail


    and

    //With USB drive plugged in,
    sudo lsusb
  4. hey i have the same pblm

    [ 2523.484437] [<c15380b8>] ? _raw_spin_lock_irq+0x18/0x20
    [ 2523.484441] [<c153639f>] ? wait_for_common+0xef/0x130
    [ 2523.484445] [<c100b0f0>] ? common_interrupt+0x30/0x38
    [ 2523.484454] [<f8448c5d>] usb_stor_transparent_scsi_command+0xd/0x10 [usb_storage]
    [ 2523.484463] [<f844aca9>] usb_stor_control_thread+0x139/0x210 [usb_storage]
    [ 2523.484468] [<c104226e>] ? complete+0x4e/0x60
    [ 2523.484476] [<f844ab70>] ? usb_stor_control_thread+0x0/0x210 [usb_storage]
    [ 2523.484481] [<c10769e4>] kthread+0x74/0x80
    [ 2523.484485] [<c1076970>] ? kthread+0x0/0x80
    [ 2523.484489] [<c100b0fe>] kernel_thread_helper+0x6/0x10

    shows above for 1st command. 2nd commands shows no result with process still continuing
  5. Please post the following:

    //plug in USB device, then run
    dmesg|tail


    [157437.551935] tty_port_close_start: count = -1
    [157438.552577] tty_port_close_start: count = -1
    [157439.553239] tty_port_close_start: count = -1
    [157440.553900] tty_port_close_start: count = -1
    [157441.554254] tty_port_close_start: count = -1
    [157442.554870] tty_port_close_start: count = -1
    [157443.555528] tty_port_close_start: count = -1
    [157444.556188] tty_port_close_start: count = -1
    [157445.556854] tty_port_close_start: count = -1
    [157446.557509] tty_port_close_start: count = -1


    and

    //With USB drive plugged in,
    sudo lsusb


    Bus 002 Device 002: ID 8087:0020
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 001 Device 025: ID 045e:0783 Microsoft Corp.
    Bus 001 Device 003: ID 064e:a219 Suyin Corp.
    Bus 001 Device 002: ID 8087:0020
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


    i got these outputs by running the above commands,help me to find out the problem.....
    thanks in advance..........
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