Re: POWER6 not seeing memory above 2Gb

2017-03-23 Thread Adam Stouffer
On Thu, Mar 23, 2017 at 3:29 PM, Lennart Sorensen wrote: > What was on this machine before? Is it possible that you are in fact > running inside an existing LPAR config, which might have limited memory > assigned? > > -- > Len Sorensen Len, you were right about it being an LPAR. Previously I was

Re: POWER6 not seeing memory above 2Gb

2017-03-23 Thread Lennart Sorensen
On Thu, Mar 23, 2017 at 03:22:46PM -0400, Adam Stouffer wrote: > So I have grub2 booting the same kernel but again the same result. > Only 2Gb available. What was on this machine before? Is it possible that you are in fact running inside an existing LPAR config, which might have limited memory as

Re: POWER6 not seeing memory above 2Gb

2017-03-23 Thread Adam Stouffer
> Good question. I installed the machine with grub2 originally years ago, > so I didn't have to try (I wanted MD raid1 which yaboot couldn't handle > at that time, so I wanted grub2 to work, no matter what it took). Took > some work at the time, debugging disk issues and other issues in grub2, >

Re: POWER6 not seeing memory above 2Gb

2017-03-23 Thread Lennart Sorensen
On Thu, Mar 23, 2017 at 11:45:10AM -0400, Adam Stouffer wrote: > On Thu, Mar 23, 2017 at 10:21 AM, Lennart Sorensen > wrote > > > > > > > > That ought to be working. I know the p520 I worked with before it > > worked fine. > > > > Which bootloader are you using? I use grub2, just in case the boo

Re: POWER6 not seeing memory above 2Gb

2017-03-23 Thread Adam Stouffer
On Thu, Mar 23, 2017 at 10:21 AM, Lennart Sorensen wrote > > > > That ought to be working. I know the p520 I worked with before it > worked fine. > > Which bootloader are you using? I use grub2, just in case the bootloader > has anything to do with memory detection in linux. > > -- > Len Sorense

Re: POWER6 not seeing memory above 2Gb

2017-03-23 Thread Lennart Sorensen
On Thu, Mar 23, 2017 at 10:14:27AM -0400, Adam Stouffer wrote: > No LPAR or VM, running just "bare metal". I had AIX installed previously > and it recognized 16Gb. > > uname -a > Linux new-host-4 3.16.0-4-powerpc64 #1 SMP Debian 3.16.39-1+deb8u2 > (2017-03-07) ppc64 GNU/Linux > > lscpu > Architec

Re: POWER6 not seeing memory above 2Gb

2017-03-23 Thread Adam Stouffer
On Thu, Mar 23, 2017 at 9:32 AM, Lennart Sorensen < lsore...@csclub.uwaterloo.ca> wrote: > > Well I know running a 64 bit kernel on that model, does see 16GB ram. > But I was doing that with no LPAR or anything else, just Debian installed > straight onto the machine (IBM support people have a hard

Re: POWER6 not seeing memory above 2Gb

2017-03-23 Thread Lennart Sorensen
On Wed, Mar 22, 2017 at 09:07:49PM -0400, Adam Stouffer wrote: > Hello all, I'm new to the list and just installed jessie on my IBM > 8203-E4A box. It's a dual core 4.2Ghz with 16Gb of memory. > > But anyhow like the subject says the kernel is only reporting 2Gb of > available memory. I tried appe

Re: POWER6 not seeing memory above 2Gb

2017-03-23 Thread Gasha
With 3 Gb assigned to LPAR (p7) it looks correct: gasha@power:~$ dmesg | grep Memory [ 0.00] physicalMemorySize = 0xc000 [ 0.00] Node 0 Memory: 0x0-0xc000 [ 0.00] Memory: 2811776K/3145728K available (7360K kernel code, 1792K rwdata, 1840K rodata, 960K init, 2071K bss, 33395

Re: POWER6 not seeing memory above 2Gb

2017-03-23 Thread Gasha
It is 64-bit kernel? $ uname -a $ lscpu I think that i never tried more than 1 Gb RAM for test linux, because development AIX needs more RAM... Should try that on P7 or P8. Gasha On 03/23/2017 03:07 AM, Adam Stouffer wrote: Hello all, I'm new to the list and just installed jessie on my IBM

Re: POWER6 not seeing memory above 2Gb

2017-03-23 Thread Thadeu Lima de Souza Cascardo
On Wed, Mar 22, 2017 at 09:07:49PM -0400, Adam Stouffer wrote: > Hello all, I'm new to the list and just installed jessie on my IBM > 8203-E4A box. It's a dual core 4.2Ghz with 16Gb of memory. > > But anyhow like the subject says the kernel is only reporting 2Gb of > available memory. I tried appe