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SubjectRe: [bisected] 2.6.31 regression sis5513 PIO Mode 0 hang
On 10/02/2009 08:54 PM, David Fries wrote:
> I just did a git bisection from 2.6.30 to 2.6.31 because 2.6.31 will
> not boot on this system. d.stussy@yahoo.com's post September 12th
> looks the same, different CPU but both have sis5513 IDE chips. His
> would normally init the ethernet chip next, mine would do PS/2 next,
> both hang right after the Uniform CD-ROM message.
>
> This was bisected down to chaging PIO mode 0 for probing. What
> problem was that patch trying to solve? Reverting just that patch at
> the top of 2.6.31 tree works. I can test patches.
>
> Assigned bugzilla.kernel.org bug 14310

Well, it's the right thing to do (libata does it) but presumably doing
that in old IDE is triggering some kind of bug. Unless there's a
specific problem it was solving, or someone is interested in debugging
in detail (I'm certainly not interested in drivers/ide) it should likely
be reverted as we've done without it for so long..


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