Detlef Drewanz wrote: > Mark Haywood schrieb, On 20.05.09 14:30: >> Detlef Drewanz wrote: >>> Hi, >>> I am using b111b (Beta for OSOL2009.06) on my Toshiba Tecra M9 Laptop >>> and facing still some issues with Power Management. >>> >>> BTW: I upgraded with the update-manager from osol2008.11 through >>> dev-build 108 to b111b. >>> >>> 1. I had to set in /etc/power.conf >>> cpupm enable poll-mode >>> to see powertop displaying the speed-changes between 2001 Mhz and >>> 800 Mhz. >>> >>> 2. Now if I suspend and resume my laptop, the system only runs with >>> turbo mode (2001 Mhz) and will no longer change the cpu speed. So >>> after resume I am no longer able to bring the system back into >>> variable cpu speeds. Is this a know issue. Is there a workaround >>> available ? Or is it just a wrong display from powertop ? But kstat >>> -m cpu_info also shows this speed. >> >> It is a bug with no workaround. See: >> >> http://defect.opensolaris.org/bz/show_bug.cgi?id=8636 >> >> I'm working on a fix for it. cpupm event-mode does not have this >> problem. > > Hmm, but for me it looks that event-mode also do not power management > of my cpu. It runs always with trubo mode.
I thought that I recalled you having a problem with event-mode in some earlier email. You verified this was the case by running powertop while in event-mode? > > So if there is no workaround available, that would mean that > osol2009.06 would not do power management on Toshiba M9 (and possibly > others) after first suspend/resume. That would give a lot of upgraders > a bad impression against osol2008.11. Why? Given what I have seen I don't believe that this worked correctly in 2008.11 either. > > Maybe there is some quick workaround to set with mdb some value ... ? Not that I can think of. I believe that there might be a workaround so that event-mode might work on your system though. If so, then maybe someone can respond to this thread with that info. Mark > >> >> Mark >> >>> >>> 3. After resume, I have seen that runnig prstat it shows me initially >>> this crazy last line: >>> >>> Total: 78 processes, 209 lwps, load averages: 1533,45, 504,96, 182,88 >>> >>> I have no clue why this load averages after 12 hours suspend are that >>> high. >>> >>> Any comments ? To solve 2. is really important. If that will be not >>> fixed until osol2009.06 comes out, that is for me a really big >>> showstopper, because I do not want my laptop to run every time at full >>> speed. >>> >>> BTW: I upgraded with the update-manager from osol2008.11 through >>> dev-build 108 to b111b. >>> >>> >>> Detlef >> >
