From: jmk@plan9.bell-labs.com
To: 9fans@cse.psu.edu
Subject: Re: [9fans] Enabling DMA causes newlines on console
Date: Mon, 14 Jul 2003 10:50:38 -0400 [thread overview]
Message-ID: <eaa6f24b357cb8e47fd55814a8a2fd40@plan9.bell-labs.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0307140833270.27724-100000@fbsd.cpsc.ucalgary.ca>
On Mon, 14 Jul 2003 zfolkerts@starcenter.tn.org wrote:
> If I enable DMA on my disks I get blank lines on the console whenever
> I do disk I/O. Basically this prevents me from using rio while any
> I/O is happening. I think there may be a blank message echoed to the
> console in the IDE driver or somewhere. This does not happen if I do
> not have DMA enabled. This seems to happen even if I only enable DMA on
do a simple test - bring the system up to a shell prompt (i.e. no window
manager) - enable dma then dd from one of discs to /dev/null, see what happens.
venti has a bad habit of writing to stdout/stderr.
next prev parent reply other threads:[~2003-07-14 14:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-14 14:34 zfolkerts
2003-07-14 14:34 ` andrey mirtchovski
2003-07-14 14:50 ` jmk [this message]
2003-07-14 17:28 ` zfolkerts
2003-07-15 8:40 ` bs
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