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SubjectRe: [Bug #12263] Sata soft reset filling log
On Mon, 16 Feb 2009, Justin Madru wrote:
> Sergei Shtylyov wrote:
> >
> > If 12609 is truly a post-2.6.28 regression and 12263 is post-2.6.27
> > regresssion, this just cannot be.
> Maybe the reporter of #12609 didn't notice/test kernels 28-rc1 to 28. Or maybe
> the difference in hardware is
> the issue, but the bug is still the same. Don't know.

Sorry Justin, you must be confused: as Sergei says,
#12609 and #12263 can only be different.

I was one of the reporters of #12609, and I do know it's a post-2.6.28
regression (and Larry said so too), and one fix (not the preferred fix)
is to revert the ata_bmdma32_port_ops from 2.6.29-rc, and the preferred
fix is to improve the ata_sff_data_xfer32() introduced in 2.6.29-rc1.

2.6.28 does not contain any ata_bmdma32_port_ops, nor ata_sff_data_xfer32(),
not did 2.6.28-rc1 contain them. So it is impossible for the reversion of
the patch that introduced them to fix any problem on 2.6.28.

I'm quite prepared to believe that your #12263 manifests similarly to
#12609, and that a tip tree which contains a fix for #12609 contains
a fix for #12263; but please, those bugs are not the same, and they
don't have the same fix.


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