Messages in this thread | | | Date | Thu, 22 Sep 2005 12:36:06 +0200 | From | Pavel Machek <> | Subject | Re: SATA suspend-to-ram patch - merge? |
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Hi!
> >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.
I think that shared buses are rare enough to be safely ignored. We could simply say "never ever suspend machine with some disks on shared bus".
Pavel -- 64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms
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