From: Ian Stirling <ian.stirling@mauve.plus.com>
To: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Cc: Horst von Brand <vonbrand@inf.utfsm.cl>,
Kim Holviala <kim@holviala.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] psmouse: fix mouse hotplugging
Date: Thu, 22 Apr 2004 23:04:21 +0100 [thread overview]
Message-ID: <40884165.5030407@mauve.plus.com> (raw)
In-Reply-To: <Pine.LNX.4.55.0404221754470.16448@jurand.ds.pg.gda.pl>
Maciej W. Rozycki wrote:
> On Thu, 22 Apr 2004, Horst von Brand wrote:
>
>
>>>This patch fixes hotplugging of PS/2 devices on hardware which don't
>>>support hotplugging of PS/2 devices. In other words, most desktop
>>
>>machines.
>>
>>I have seen "hoplugging of mice" fry PS/2 ports, and heard of motherboards
>>killed that way.
>
>
> For older systems, a fuse would often blow on these ports, which
> depending on the implementation would require a power cycle or a soldering
> iron. Then one of those PCxx specs from Microsoft required the PS/2 ports
> to support hot-plugging, so chances are it may pretty safe with recent
> equipment.
Even for relatively newer kit, wierd stuff can happen.
I recall one keyboard/athlon 500 system that would reboot 10s after the keyboard
was plugged in, about 1% of the time.
Probably a KBC code bug, but unfixable.
next prev parent reply other threads:[~2004-04-22 22:00 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-22 7:44 [PATCH] psmouse: fix mouse hotplugging Kim Holviala
2004-04-22 15:46 ` Horst von Brand
2004-04-22 16:01 ` Maciej W. Rozycki
2004-04-22 22:04 ` Ian Stirling [this message]
2004-04-22 16:18 ` Meelis Roos
2004-04-22 18:08 ` Kim Holviala
2004-04-22 15:53 ` Tomasz Torcz
2004-04-22 18:10 ` Kim Holviala
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