Messages in this thread | | | Date | Wed, 16 Apr 2008 09:15:17 +0900 | From | Tejun Heo <> | Subject | Re: ata2: SATA link down (SStatus 611 SControl 300) |
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Paul Collins wrote: > Tejun Heo <htejun@gmail.com> writes: > >> Paul Collins wrote: >>> I found a setting labelled "SATA Power Management". It was set to >>> "Enable". When I set it to "Disable", 2.6.25-rc9 detected the optical >>> drive. >> This can't be something changed between 2.6.24 and 2.6.25-rc9. Can >> you please double check that? > > I double-checked as follows: > > * Verified "SATA Power Management" set to "Enable" > * Verified optical device present in 2.6.24.3 > * Verified optical device not present in 2.6.25-rc9
Thanks for checking. Yeah, on the second though, ata_piix as of 2.6.24.3 doesn't have SCR access at all, so it would have just worked. Maybe what's necessary is more refined link onlineness test. I'll prep a patch.
-- tejun
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