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Message-ID: <46644061.7020508@msgid.tls.msk.ru>
Date: Mon, 04 Jun 2007 20:40:01 +0400
From: Michael Tokarev <mjt@....msk.ru>
To: Pavel Machek <pavel@....cz>
CC: Dmitry Torokhov <dmitry.torokhov@...il.com>,
Andi Kleen <ak@...e.de>, Jiri Kosina <jikos@...os.cz>,
kernel list <linux-kernel@...r.kernel.org>
Subject: Re: thinkpad testers wanted (was Re: 2.6.22-rc[23]: blinking capslock
led, stuck keys?)
Pavel Machek wrote:
[]
>>> pavel@amd:~$ while true; do setleds +num; setleds -num; done
>>> Hm,m so thiis iis a teest of fkeyboarad behaviour under lloadd.
>>>
>>> ...but I'm not quite sure it is a buggy keyboard. It happens _way_ too
>>> often. Launch the line above and try to do some typing...
>> This used to work fine on my box last time I tried it (the switch
>> itself is offloaded to a keventd and shoud not get in the way) but
>> then they push all kind of ACPI/SMM crap together with KBC so who
>> knows... I should try it again when I get home.
>
> Hmm, this needs to be ran from console (not X). Can someone with
> thinkpad try this?
I don't have a thinkpad, but I tried it - just for fun - with my desktop
PC here. And it also shows some.. strangeness. Namely, after several
secounds, it starts spewing:
drivers/usb/input/hid-core.c: control queue full
drivers/usb/input/hid-core.c: control queue full
drivers/usb/input/hid-core.c: control queue full
messages on the screen on every setleds (above) invocation. Even if I
stop the loop and execute single setleds manually, it also shows this
same message. And the led isn't working anymore too - even if I press
NumLock key, NumLock mode activates/deactivates correctly, but not the
led -- ditto for other leds (CapsLock & ScrollLock). And it doesn't
restore when I switch to X and back.
(My keyboard is USB-connected).
I think it's something about count of setleds/etc operations. Rebooting
and counting from 0...
(2.6.21.3 here)
/mjt
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