Date: Tue, 19 Apr 2011 17:41:57 -0400 From: Jung-uk Kim <jkim@FreeBSD.org> To: Brandon Gooch <jamesbrandongooch@gmail.com> Cc: freebsd-acpi@freebsd.org Subject: Re: [PATCH] Move scsuspend()/scresume() forward to EVENTHANDLERs Message-ID: <201104191742.09449.jkim@FreeBSD.org> In-Reply-To: <BANLkTinfuX4whxbs3szbd1aTNaxxQ5Z2LQ@mail.gmail.com> References: <20110420003133.4dc391f6.taku@tackymt.homeip.net> <201104191702.14715.jkim@FreeBSD.org> <BANLkTinfuX4whxbs3szbd1aTNaxxQ5Z2LQ@mail.gmail.com>
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On Tuesday 19 April 2011 05:27 pm, Brandon Gooch wrote: > On Tue, Apr 19, 2011 at 4:02 PM, Jung-uk Kim <jkim@freebsd.org> wrote: > > On Tuesday 19 April 2011 04:55 pm, Brandon Gooch wrote: > >> On Tue, Apr 19, 2011 at 3:24 PM, Jung-uk Kim <jkim@freebsd.org> > > > > wrote: > >> > On Tuesday 19 April 2011 04:02 pm, Warner Losh wrote: > >> >> Having chased boogiemen in this area before, I think this > >> >> patch makes good sense even though it breaks the device model > >> >> a little. However, the hardware in question really is special > >> >> on x86... > >> >> > >> >> Warner > >> > > >> > Actually I was working on a similar patch and it should be > >> > ready soon. > >> > > >> > Jung-uk Kim > >> > >> You have a willing (if not completely capable) tester here, so I > >> always look forward to your patches. > >> > > :-) > > > > http://people.freebsd.org/~jkim/syscons.diff > > > > Also attached here. > > Cool, building now... > > I noticed you didn't grab the Giant lock, which shouldn't be needed > since Ed's work, correct? Actually the real reason is locking is completely missing in syscons(4) since we abandoned spltty(). Grabbing Giant here makes no difference because of that reason. :-( > >> As the situation has greatly improved, I hesitate to even say > >> this, but...I wish the USB stack could be made to be > >> suspend/resume resilient. It's really the only problem child in > >> my laptop. Fortunately, it's easy enough to build the USB stack > >> as modules and unload/reload them. > > > > I tried to do something about it but new USB stack is completely > > out of my expertise, unfortunately. :-( > > > > Jung-uk Kim > > I understand, and again, I know it seems like I always bring it up > to you whenever I get the chance -- because I do. Sorry :| That's okay, I'm used to it. ;-) > I should bug someone else (Hans or Andrew Thompson), or maybe the > PC-BSD guys might get interested in fixing this eventually -- after > GEM, KMS, etc... ;) Yeah, maybe... Jung-uk Kim
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