From: Andrew Morton <akpm@osdl.org>
To: "Alexander E. Patrakov" <patrakov@ums.usu.ru>
Cc: linux-kernel@vger.kernel.org, alan@lxorguk.ukuu.org.uk
Subject: Re: linux-2.6.15-git7: PS/2 keyboard dies on ppp traffic
Date: Thu, 12 Jan 2006 22:43:01 -0800 [thread overview]
Message-ID: <20060112224301.74b8875f.akpm@osdl.org> (raw)
In-Reply-To: <43C66E82.4030106@ums.usu.ru>
"Alexander E. Patrakov" <patrakov@ums.usu.ru> wrote:
>
> the main linux tree started suffering the same bug as described for -mm
> earlier in http://lkml.org/lkml/2005/11/7/147:
>
> if I put load on my system, connect to the Internet using my cellphone
> (/dev/ttyS0) and do something, it stops reacting to PS/2 keyboard
> events, but still understands PS/2 mouse. The PPP load monitor shows
> huge transfer rate (several megabytes per second) consisting of the
> infinitely replicated several last packets. events/0 consumes all the
> CPU. tty buffering revamping patch is the obvious candidate, but I
> haven't tried to revert it yet.
Darn, I hadn't thought of that. Yes tty-revamp might be the culprit.
Which serial driver are you using? Just 8250?
For you convenience,
http://www.zip.com.au/~akpm/linux/patches/stuff/2615mm2-no-tty-revamp.bz2
is 2.6.15-mm2 with just the tty-revamp and isicom patches reverted.
next prev parent reply other threads:[~2006-01-13 6:43 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-12 14:58 linux-2.6.15-git7: PS/2 keyboard dies on ppp traffic Alexander E. Patrakov
2006-01-12 15:59 ` Dmitry Torokhov
2006-01-12 16:06 ` Alexander E. Patrakov
2006-01-13 6:32 ` Alexander E. Patrakov
2006-01-13 6:43 ` Andrew Morton [this message]
2006-01-13 11:10 ` Alan Cox
[not found] ` <20060113030850.7ff5a505.akpm@osdl.org>
2006-01-13 11:31 ` Alexander E. Patrakov
2006-01-13 14:23 ` Alexander E. Patrakov
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