linux-kernel - Re: psmouse serio4: bad data from KBC

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Date:	Tue, 3 Apr 2012 10:06:59 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Borislav Petkov <bp@...en8.de>
Cc:	linux-input@...r.kernel.org,
	Alessandro Rubini <rubini@...vis.unipv.it>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: 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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