Thread (18 messages) 18 messages, 4 authors, 2009-09-12

Re: 2.6.{28,30} Keyboard not working on oldish machine

flat view

From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: 2009-06-23 18:06:47
Also in: lkml

Possibly related (same subject, not in this thread)

On Tuesday 23 June 2009 11:58:15 Dr. David Alan Gilbert wrote:
* Jiri Kosina (jkosina@suse.cz) wrote:
quoted
On Mon, 22 Jun 2009, Dr. David Alan Gilbert wrote:
quoted
quoted
Yes, with i8042.noaux it works; dmesg snippet included below.
And in reply to hpa, it doesn't have a mouse port.
I saw you also asked for a dmidecode -t system dmidecode says the
machine has 'No SMBIOS nor DMI entry point'.
Hmm, that means that there is no easy way to identify your particular
machine (which apparently has somewhat broken AUX i8042 port) in run-time
for quirk to be applied. I am afraid you'll need to live with specifying
the command-line kernel parameter on this machine.
Yep; I'm OK with the i8042.noaux from my point of view, but it's a
bit worrying that this used to work fine.  There's obviously been
a change somewhere since 2.6.18 (and as I remember from the dmesg
the keyboard and aux ports are being initialised in different orders).
(Actually I say obviously since 2.6.18 - but the 2.6.18 I tried
I think I only used the debian version - I should go back and
see if I can do a vanilla one), but this box has been running
Linux since the time it was originally bought with loads of distros
and clean kernels years ago.

While this machine is old, the motherboard was a pretty common one
at the time.
Any chance I could get dmesg with i8042.debug with 2.6.18? There was
quite a large change back then when we got rid of the polling timer
in i8042.

-- 
Dmitry
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