FYI On Thu, Apr 6, 2017 at 11:44 PM, Ben Hutchings <b...@decadent.org.uk> wrote: > Control: reassign -1 src:linux 3.16.39-1+deb8u2 > Control: tag -1 moreinfo > > On Thu, 2017-04-06 at 12:23 -0700, Mark G.B. wrote: >> Package: general >> Severity: normal >> >> Dear Maintainer, >> >> I recently installed 4x1GiB sticks of DDR RAM into my PowerMac G5 DP 2.0 GHz. >> Apple indicates the maximum amount of RAM supported is indeed 8GiB. > > I'm inferring from this that you have the DP+ with 8 RAM slots, and you > have upgraded from 4 * 1 GiB to 8 * 1 GiB installed. Is that right? > >> The system is fully usable, it runs without problems in any area, pretty >> much, >> but I would like to know if it is using the full 8GiB since in system monitor >> it states only 5.8 GiB total are registered. >> >> Please, if you are able to direct me, or fix, thanks. There would certainly >> be >> a performance boost in say things like Kdenlive for me if the missing ~2GiB >> were restored. >> >> >> P.S. I've attached output of 'cat /proc/meminfo' for reference. > > This is quite surprising. It is normal for the system firmware to > reserve some amount of memory that is then unavailable to Linux, but > this is a very large amount. > > Please also send the kernel boot messages, which might help explain > what's going on. (We probably still won't be able to solve this, > though, as there are few developers still interested in PowerMac > systems.) > > Ben. > > -- > Ben Hutchings > When in doubt, use brute force. - Ken Thompson
