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From: Michel Dänzer <daenzerm@student.ethz.ch>
To: Giuliano Pochini <pochini@denise.shiny.it>
Cc: Benjamin Herrenschmidt <bh40@calva.net>, linuxppc-dev@lists.linuxppc.org
Subject: Re: Stealth port problems
Date: Sun, 30 Jul 2000 15:01:49 +0200	[thread overview]
Message-ID: <3984273D.1A818C44@student.ethz.ch> (raw)
In-Reply-To: 398373C9.2D38B631@denise.shiny.it


Giuliano Pochini wrote:

> Now I run XF4 and the problem is even worse. I get underruns at 38400
> :-(((((((((((((
>
> What can I do ?  And why X affects the serial port ??

I assume you are running an accelerated driver, which moves load from the CPU
to the graphics chip, which may increase interrupt and/or bus load/latency.


Michel


--
Chaos, panic and disorder -- my work here is done.
______________________________________________________________________________
Earthling Michel Dänzer (MrCooper)  \  CS student and free software enthusiast
Debian GNU/Linux (powerpc,i386) user \   member of XFree86, Team *AMIGA*, AUGS

** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/

  reply	other threads:[~2000-07-30 13:01 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-07-28  5:33 Stealth port problems Giuliano Pochini
2000-07-28  8:34 ` Benjamin Herrenschmidt
2000-07-28 14:23   ` Giuliano Pochini
2000-07-30  0:16   ` Giuliano Pochini
2000-07-30 13:01     ` Michel Dänzer [this message]
2000-07-30 12:59   ` Giuliano Pochini
2000-07-30 12:29     ` Takashi Oe
2000-07-31  7:01       ` Giuliano Pochini
2000-07-31 13:01       ` Giuliano Pochini
2000-08-01  0:09         ` Giuliano Pochini
2000-07-31 18:27           ` Benjamin Herrenschmidt
2000-07-30 14:11     ` Giuliano Pochini
  -- strict thread matches above, loose matches on Subject: below --
2000-07-30 10:31 Iain Sandoe
2000-07-30 12:39 ` Takashi Oe
2000-07-31  7:12 ` Giuliano Pochini
2000-07-31 12:03   ` Geert Uytterhoeven
2000-07-30 13:01 Iain Sandoe
2000-07-30 14:01 ` Takashi Oe
2000-07-30 16:44 Iain Sandoe
2000-07-31  9:11 Iain Sandoe
2000-07-31  9:59 ` Timothy A. Seufert
2000-07-31 11:43 Iain Sandoe
2000-07-31 12:22 Iain Sandoe
2000-08-01 10:28 ` Timothy A. Seufert
2000-08-02 16:22   ` Benjamin Herrenschmidt
2000-08-01 11:11 Iain Sandoe
2000-08-02 17:13 Iain Sandoe

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