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    SubjectRe: HID OOPS running hid2hci on logitech diNovo dongle
    On Sun, 25 Mar 2007, CIJOML wrote:

    > in combination of kernel 2.6.20-mh1 and hid2hci from bluez-utils-3.9 I
    > am getting following OOPS:
    > BUG: at drivers/hid/hid-core.c:785 implement()
    > [<c027a9c3>] hid_output_report+0x213/0x2be
    > [<fcaf73fb>] hid_submit_ctrl+0x52/0x1bc [usbhid]
    > [<fcaf76b9>] usbhid_submit_report+0x154/0x187 [usbhid]
    > [<fcaf7970>] usbhid_init_reports+0x60/0xbb [usbhid]
    > [<fcaf917d>] hiddev_ioctl+0x361/0x8e7 [usbhid]
    > [<c01b4dd1>] avc_has_perm+0x4e/0x58
    > [<c01b5595>] inode_has_perm+0x5b/0x63
    > [<c0148652>] __handle_mm_fault+0x2c3/0x7b1
    > [<c01b5626>] file_has_perm+0x89/0x91
    > [<c0161158>] do_ioctl+0x4c/0x62
    > [<c01613aa>] vfs_ioctl+0x23c/0x24f
    > [<c0161409>] sys_ioctl+0x4c/0x67
    > [<c0102cc8>] syscall_call+0x7/0xb
    > [<c02d0033>] __sched_text_start+0x43/0x546

    This is known bug that happens with recent Logitech dongles. Please see
    http://lkml.org/lkml/2007/2/16/215 and http://lkml.org/lkml/2007/3/5/274

    The problem here is that Logitech probably changed the way how the dongle
    is switched from HID to HCI mode, and bluez-utils don't support it (and
    send report that is not compliant with report descriptor of the dongle,
    which triggers this warning).

    Are you able to verify whether this could be possibly caused solely by
    newer versions of bluez-utils, as Amedee stated in some of the threads
    above?

    --
    Jiri Kosina
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