From: linas@austin.ibm.com (Linas Vepstas)
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>, linux-ide@vger.kernel.org
Subject: Re: [RFT] hpt366: reset DMA state machine on timeouts
Date: Fri, 22 Jun 2007 11:03:06 -0500 [thread overview]
Message-ID: <20070622160306.GF8840@austin.ibm.com> (raw)
In-Reply-To: <20070622165431.3b4997f7@the-village.bc.nu>
On Fri, Jun 22, 2007 at 04:54:31PM +0100, Alan Cox wrote:
> > I'm not sure what to do if this had been the only disk in the system.
> > Maybe if the eror reate exceed 100/minute, then dma is turned off
> > permanently?
>
> Turn off UDMA and you turn off cable side error protection, so if your
> error is caused by noise you just did the electronic version of a long
> walk off a short pier.
Right. Yes. Clearly, I must be debugging with half a brain, here.
--linas
next prev parent reply other threads:[~2007-06-22 16:03 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-21 17:54 [RFT] hpt366: reset DMA state machine on timeouts Sergei Shtylyov
2007-06-21 19:31 ` Linas Vepstas
2007-06-22 15:13 ` Linas Vepstas
2007-06-22 15:32 ` Sergei Shtylyov
2007-06-22 16:36 ` Linas Vepstas
2007-06-23 18:10 ` Sergei Shtylyov
2007-06-25 21:44 ` Linas Vepstas
2007-06-26 13:57 ` Sergei Shtylyov
2007-06-22 15:54 ` Alan Cox
2007-06-22 16:03 ` Linas Vepstas [this message]
2007-06-22 16:33 ` Alan Cox
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