Re: [discuss] Re: x86_64: 2.6.14-rc4 swiotlb broken

[Muli Ben-Yehuda <mulix@mulix.org>]

On Mon, Oct 17, 2005 at 08:08:24PM +0200, Andi Kleen wrote:
> On Monday 17 October 2005 19:52, Ravikiran G Thirumalai wrote:
> 
> > No they are not.  IBM X460s are generally available machines and  the bug
> > affects those boxes. 
> 
> No reports from that front so far.

We have such machines with >4GB memory and 32 bit DMA capable SCSI
controllers and would like to be able to run 2.6.14 on them when it
comes out...

> > How can there be a major kernel release which is known 
> > to have breakage??
> 
> Welcome to the painful real world of software engineering.
> 
> Every software has bugs and if you want to ever get a release out you
> have to make such decisions sometimes. 

Fair enough, but this is a regression for something that used to
work. If a painful choice is required, how about reverting the patch
that broke it and breaking something that used to be broken?

> As an alternative I can just backout the patch that enables the Intel
> SRAT code. That is probably better for a short term fix and will
> not regress anybody.

Sounds great!

Cheers,
Muli
-- 
Muli Ben-Yehuda
http://www.mulix.org | http://mulix.livejournal.com/

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