On Wed, 9 May 2012 13:01:25 +0200, Seyyed wrote in message <CAKJMjaJM8PnwFpknfZ+1C62rhFR=szdvjukulc_pa3c_z+w...@mail.gmail.com>:
> On Wed, May 9, 2012 at 12:32 PM, Arnt Karlsen <a...@c2i.net> wrote: > > > On Wed, 9 May 2012 11:19:10 +0200, Seyyed wrote in message > > <CAKJMja+mrpWmo8uhakjGfwsuk3W0=+a6lmbhfvxkkfcterf...@mail.gmail.com>: > > > > > Hello, > > > > > > Before anybody starts arguing that I don't have 64-bit, this is > > > uname -r and uname -m: > > > root@n03:~# uname -r > > > 2.6.32-3-amd64 > > > root@n03:~# uname -m > > > x86_64 > > > > > > As the subject suggest I have a box that does not utilize the > > > available RAM installed. I noticed that only 3.6gb RAM was > > > recognized when I got segmentation faults during a simulation. > > > The funny thing is that when I remove dims so that only 48gb RAM > > > is available then it works fine, I did a 'lshw -C memory' and it > > > shows all the dims at the correct spot (the output is attached). > > > BIOS and memtest show and successfully test all 64gb. > > > > > > > ..post a one core snip of your /proc/cpuinfo, I'm wondering > > if you've hit some 36 bit address space ceiling. I have ... > > root@celsius:~# cat /proc/cpuinfo > > processor : 1 > > vendor_id : GenuineIntel > > cpu family : 6 > > model : 15 > > model name : Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz > > ... > > bogomips : 3989.93 > > clflush size : 64 > > cache_alignment : 64 > > address sizes : 36 bits physical, 48 bits virtual > > power management: > > > > ...and: > > root@celsius:~# qalc 2^36bytes to GiBytes > > (2^36) * byte = 64 gibibytes > > > > Here you go: > processor : 31 > vendor_id : AuthenticAMD > cpu family : 21 > model : 1 > model name : AMD Opteron(TM) Processor 6274 ... > address sizes : 48 bits physical, 48 bits virtual ..ok, your cpus have 48 bit address space, is there anything else that could force you into a 36 bit straitjacket? ..what happens if you remove 2 ram sticks? -- ..med vennlig hilsen = with Kind Regards from Arnt Karlsen ...with a number of polar bear hunters in his ancestry... Scenarios always come in sets of three: best case, worst case, and just in case. -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20120509235625.4d3c2...@celsius.lan
