Re: i8042 problem

From: Pete Zaitcev (zaitcev_at_redhat.com)
Date: 07/27/03

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    Date:	Sun, 27 Jul 2003 02:06:21 -0400
To: Chris Heath <chris@heathens.co.nz>

    > Date: Sat, 26 Jul 2003 21:41:32 -0400
    > From: Chris Heath <chris@heathens.co.nz>

    > > > drivers/input/serio/i8042.c: 00 -> i8042 (kbd-data) [40]
    > > > drivers/input/serio/i8042.c: 60 -> i8042 (command) [50]
    > > > drivers/input/serio/i8042.c: 44 -> i8042 (parameter) [50]
    > > > drivers/input/serio/i8042.c: fa <- i8042 (interrupt, kbd, 1) [51]
    > > > serio: i8042 KBD port at 0x60,0x64 irq 1
    > > > <------------- This is it, keyboard is dead.
    > >
    > > Writing 44 to the command byte disables IRQ1.
    >
    > It looks like a timeout problem. The ack (fa) arrived 11 ticks after
    > the byte (00) was sent, but it looks like the timeout is only 10 ticks.
    >
    > Try playing with the timeout in atkbd_sendbyte (line 217 of
    > drivers/input/keyboard/atkbd.c).

    Playing with timeout does not help, but on second thought
    I suspect that atkbd fails to open the port for some reason,
    that's why interrupts stay disabled.

    -- Pete
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