Messages in this thread |  | | | Date | Thu, 22 Sep 2005 08:18:50 +0200 | | From | Jens Axboe <> | | Subject | Re: SATA suspend-to-ram patch - merge? |
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On Wed, Sep 21 2005, Jeff Garzik wrote: > Joshua Kwan wrote: > >Is Jens' patch still relevant? If so, should it be rediffed and merged > >into mainline? It doesn't seem to cause any weird side-effects. > > > >More importantly, I would be inclined to properly rediff Jens' patch and > >merge it into Debian 2.6.12 kernel sources if there aren't any such > >side-effects, since it benefits everyone using SATA and suspend-to-ram > >(that is, users of relatively modern laptops.) > > Jens' patch is technical correct for SATA, but really we want to do more > stuff at the SCSI layer (see James Bottomley's response to Jens' patch). > > Unfortunately, this also implies that we have to figure out which SCSI > devices are available to be power-managed, and which SCSI devices are on > a shared bus that should never be suspended. > > So currently we are in limbo...
Which is a shame, since it means that software suspend on sata is basically impossible :)
-- Jens Axboe
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