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2007 Mar 05
3
CentOS 4.4 not seeing all RAM
...0 197156
3127704
-/+ buffers/cache: 1444632 3364432
Swap: 2064376 176 2064200
The BIOS sees all of the RAM. In fact, it looks to me like the kernel
knows 6 GB is available. But, it is only using 4.8 GB because I see
this in dmesg:
Memory: 4808464k/6291456k available (2106k kernel code, 0k reserved,
1299k data, 196k init)
What happened to the other 1 GB+ of RAM?
BTW, the server isn't running all the newest updates, but it is running
the latest CentOS 4 kernel (2.6.9-42.0.10.ELsmp).
Regards,
Ranbir
--
Kanwar Ranbir Sandhu
Linux 2.6.19-1.2911.fc6 i686 GNU/Linux...
2006 Oct 16
1
Uneven CPU speed with CentOS 4.4 on a Mac Pro
Hi list,
I've recently managed to install CentOS 4.4 on an Apple Mac Pro.
Functionality-wise everything works great, but when trying to benchmark
the system, I don't get stable runtimes, they differ by more than 30%.
For example a benchmark run with our PDE solving code takes between 500
and 800 s on the completely unloaded machine.
Suspicious kernel output (complete output attached):