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    SubjectRe: psmouse serio4: bad data from KBC - timeout
    Hi Borislav,

    On Tue, Apr 03, 2012 at 11:43:25AM +0200, Borislav Petkov wrote:
    > Hi guys,
    >
    > I'm running 3.4-rc1 on a thinkpad x121e and it builds and boots just
    > fine. However, after resuming from disk I get (this is the tail of
    > dmesg):
    >
    > [ 905.857412] i8042: failed to resume active multiplexor, mouse won't work
    > [ 905.965568] usb 3-2: reset low-speed USB device number 2 using ohci_hcd
    > [ 907.626998] psmouse serio4: bad data from KBC - timeout
    > [ 907.675385] PM: restore of devices complete after 2358.155 msecs
    > [ 908.227481] Restarting tasks ... done.
    > [ 908.266229] video LNXVIDEO:01: Restoring backlight state
    > [ 917.628792] psmouse serio4: Failed to deactivate mouse on isa0060/serio4
    > [ 917.880639] psmouse serio4: Failed to enable mouse on isa0060/serio4
    > [ 919.867982] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input19
    > [ 947.277011] atl1c 0000:02:00.0: atl1c: eth0 NIC Link is Up<100 Mbps Full Duplex>
    > [ 996.231116] Bluetooth: Core ver 2.16
    > [ 996.231262] NET: Registered protocol family 31
    > [ 996.231273] Bluetooth: HCI device and connection manager initialized
    > [ 996.231559] Bluetooth: HCI socket layer initialized
    > [ 996.231575] Bluetooth: L2CAP socket layer initialized
    > [ 996.231630] Bluetooth: SCO socket layer initialized
    >
    > and after that the keyboard and the mouse touchpad don't work. The
    > connected USB mouse works fine though.

    There weren't any changes to i8042 for a while so I'd look into recent
    ACPI/PM merges. You can also try booting with i8042.nomux to see if it
    will work better with i8042 in legacy multiplexing mode.

    Thanks.

    --
    Dmitry


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