Re: input subsystem config ?

Vojtech Pavlik (vojtech@suse.cz)
Thu, 18 Jul 2002 16:45:36 +0200

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Next message: Stelian Pop: "Re: input subsystem config ?"
Previous message: Jacky Lam: "[Bug report] USB lockup"

On Thu, Jul 18, 2002 at 04:41:30PM +0200, Stelian Pop wrote:
> On Wed, Jul 17, 2002 at 05:33:36PM +0200, Stelian Pop wrote:
>
> > The i8042 version used is the one you send me, plus the #if 0 surrounding
> > the aux probe code.
> >
> > Result: keyboard works, mouse still doesn't.
> [...]
>
> Ok, I've hacked a bit on the input drivers (trying to look at the
> differences between the pc_keyb.c and the new initialisation sequences),
> with some limited success.
>
> What I found out is that the mouse is not responding to any of
> the commands in psmouse.c:psmouse_probe. However, if I comment out
> the 'return -1' statements from this function, the mouse will
> be recognised as a default PS/2 mouse.
>
> Later, in psmouse_initialise, the PSMOUSE_CMD_ENABLE will fail too
> (no response from the mouse). But since the error is not propagated
> to serio the device remains registered.
>
> And later, the mouse will get enabled somehow and will function
> perfectly. I didn't succed in finding out what exactly enables it,
> even if I strongly suspect some interraction between the keyboard
> enable and aux port enable...
>
> Any further idea ?

Yes. Can you try, with i8042 debugging enabled, after the kernel boots,
moving the mouse? I suspect the data will appear in the log ...

>
> What I also did, maybe you'll find this interesting, is recording
> the events sent by the pc_keyb.c driver to the i8042 port (by tracing
> the inb/outb in include/asm-i386/keyboard.h):
>
> kbd_read_status: 1c
> kbd_write_command: a7
> kbd_read_status: 1e
> kbd_read_status: 1c
> kbd_write_command: 60
> kbd_read_status: 1e
> kbd_read_status: 1c
> kbd_write_output: 65
> kbd_read_status: 14
> kbd_write_output: ed
> kbd_read_status: 15
> kbd_read_input: fa
> kbd_read_status: 14
> kbd_read_status: 14
> kbd_write_output: 00
> kbd_read_status: 15
> kbd_read_input: fa
> kbd_read_status: 14
> kbd_read_status: 14
> kbd_write_command: a8
> kbd_read_status: 1c
> kbd_write_command: d4
> kbd_read_status: 1e
> kbd_read_status: 1c
> kbd_write_output: f4
> kbd_read_status: 14
> kbd_read_status: 14
> kbd_write_command: 60
> kbd_read_status: 1e
> kbd_read_status: 3d
> kbd_read_input: fa
> kbd_read_status: 3c
> kbd_write_output: 47
> kbd_read_status: 34
> kbd_write_output: f4
> kbd_read_status: 15
> kbd_read_input: fa
> kbd_read_status: 14
> kbd_read_status: 14
> kbd_write_command: d4
> kbd_read_status: 1e
> kbd_read_status: 1c
> kbd_write_output: ffffffff
> kbd_read_status: 35
> kbd_read_input: fa
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: aa
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 34
> kbd_write_command: d4
> kbd_read_status: 3e
> kbd_read_status: 3c
> kbd_write_output: fffffff4
> kbd_read_status: 35
> kbd_read_input: fa
> kbd_read_status: 34
> kbd_read_status: 34
> kbd_write_command: d4
> kbd_read_status: 3e
> kbd_read_status: 3c
> kbd_write_output: fffffff2
> kbd_read_status: 35
> kbd_read_input: fa
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 34
> kbd_write_command: d4
> kbd_read_status: 3e
> kbd_read_status: 3c
> kbd_write_output: fffffff3
> kbd_read_status: 35
> kbd_read_input: fa
> kbd_read_status: 34
> kbd_read_status: 34
> kbd_write_command: d4
> kbd_read_status: 3e
> kbd_read_status: 3c
> kbd_write_output: ffffffc8
> kbd_read_status: 35
> kbd_read_input: fa
> kbd_read_status: 34
> kbd_read_status: 34
> kbd_write_command: d4
> kbd_read_status: 3e
> kbd_read_status: 3c
> kbd_write_output: fffffff3
> kbd_read_status: 35
> kbd_read_input: fa
> kbd_read_status: 34
> kbd_read_status: 34
> kbd_write_command: d4
> kbd_read_status: 3e
> kbd_read_status: 3c
> kbd_write_output: 64
> kbd_read_status: 35
> kbd_read_input: fa
> kbd_read_status: 34
> kbd_read_status: 34
> kbd_write_command: d4
> kbd_read_status: 3e
> kbd_read_status: 3c
> kbd_write_output: fffffff3
> kbd_read_status: 35
> kbd_read_input: fa
> kbd_read_status: 34
> kbd_read_status: 34
> kbd_write_command: d4
> kbd_read_status: 3e
> kbd_read_status: 3c
> kbd_write_output: 50
> kbd_read_status: 35
> kbd_read_input: fa
> kbd_read_status: 34
> kbd_read_status: 34
> kbd_write_command: d4
> kbd_read_status: 3e
> kbd_read_status: 3c
> kbd_write_output: fffffff2
> kbd_read_status: 35
> kbd_read_input: fa
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 34
> kbd_write_command: d4
> kbd_read_status: 3e
> kbd_read_status: 3c
> kbd_write_output: ffffffff
> kbd_read_status: 35
> kbd_read_input: fa
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: aa
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 34
> kbd_write_command: d4
> kbd_read_status: 3e
> kbd_read_status: 3c
> kbd_write_output: fffffff4
> kbd_read_status: 35
> kbd_read_input: fa
> kbd_read_status: 34
> kbd_read_status: 34
> kbd_write_command: d4
> kbd_read_status: 3e
> kbd_read_status: 3c
> kbd_write_output: fffffff2
> kbd_read_status: 35
> kbd_read_input: fa
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 34
> kbd_write_command: 60
> kbd_read_status: 3e
> kbd_read_status: 3c
> kbd_write_output: 65
> kbd_read_status: 34
> kbd_write_command: a7
> kbd_read_status: 3c
> kbd_write_command: a8
> kbd_read_status: 3e
> kbd_read_status: 3c
> kbd_write_command: d4
> kbd_read_status: 3e
> kbd_read_status: 3c
> kbd_write_output: f4
> kbd_read_status: 34
> kbd_read_status: 34
> kbd_write_command: 60
> kbd_read_status: 3e
> kbd_read_status: 3d
> kbd_read_input: fa
> kbd_read_status: 3c
> kbd_write_output: 47
> kbd_read_status: 34
> kbd_write_output: f4
> kbd_read_status: 15
> kbd_read_input: fa
> kbd_read_status: 14
> kbd_read_status: 15
> kbd_read_input: 22
> kbd_read_status: 14
> kbd_read_status: 15
> kbd_read_input: a2
> kbd_read_status: 14
> kbd_read_status: 15
> kbd_read_input: 22
> kbd_read_status: 14
> kbd_read_status: 15
> kbd_read_input: a2
> kbd_read_status: 14
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 02
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 01
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 01
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 03
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 05
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 01
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 06
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 05
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 09
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 09
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 28
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: ff
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 09
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 0a
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 0a
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 28
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 06
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: ff
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 05
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 04
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 01
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 05
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 04
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 01
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 08
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 01
> kbd_read_status: 34
> kbd_read_status: 35
> kbd_read_input: 00
> kbd_read_status: 34
> Stelian.
> --
> Stelian Pop <stelian.pop@fr.alcove.com>
> Alcove - http://www.alcove.com

-- 
Vojtech Pavlik
SuSE Labs
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Next message: Stelian Pop: "Re: input subsystem config ?"
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