Re: ad WRITE_DMA timing out frequently

From: Paul Mather <paul_at_gromit.dlib.vt.edu>
Date: Sun, 20 Feb 2005 11:58:00 -0500
On Sat, 2005-02-19 at 15:56 +0000, Ian Dowse wrote:

> In message <1108752445.1105.34.camel_at_zappa.Chelsea-Ct.Org>, Paul Mather writes:
> >The "TIMEOUT - WRITE_DMA" issue has been a recurring problem for me
> >since somewhere in the 5.2.1--5.3 release range.  (It's been so long now
> >that I don't remember whether it first started plaguing me in 5.2.1 or
> >5.3.  I do know for definite I never got this problem in 5.1 and it only
> >crept in during an "upgrade.")
> 
> On a recent -CURRENT you could try the following patch. It attempts
> to clean up the handling of timeouts in the ATA code by using the
> new callout_init_mtx() function, and appeared to cure fairly frequent
> WRITE_DMA timeout messages for me.

The patch applied cleanly for me, and I've built a new kernel
successfully.  Let's hope it cures the problems for me, too.

If this patch is an effective cure, hopefully there is a chance it will
get committed and there'll be an MFC5, too.

Cheers,

Paul.
-- 
e-mail: paul_at_gromit.dlib.vt.edu

"Without music to decorate it, time is just a bunch of boring production
 deadlines or dates by which bills must be paid."
        --- Frank Vincent Zappa
Received on Sun Feb 20 2005 - 15:58:11 UTC

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