On Wed, 30 May 2007, Justin Piszcz wrote:
On Tue, 29 May 2007, Robert Hancock wrote:
Justin Piszcz wrote:
Short Description of Problem:
Linux 2.6.21.3 does not run properly with 8GB of ram on the Intel 965WH
motherboard.
I found it interesting in make menuconfig on x86_64 there is no 4GB/64GB
options in the kernel that I remember seeing in 32bit.
That's because that option is not applicable in 64-bit mode.
Can you send your full dmesg output from the 8GB bootup?
--
Robert Hancock Saskatoon, SK, Canada
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Home Page: http://www.roberthancock.com/
Kernel dmesg attached from 8GB bootup.
Robert, how come the option is not applicable in 64-bit mode? If I want to
use all 8GB of memory I need to run a 32-bit kernel?
Justin.
Look at how slow the raid benchmarks are in dmesg with 8GB of memory!
[ 59.592560] raid6: using algorithm sse2x4 (476 MB/s)
[ 59.597558] raid5: using function: generic_sse (56.000 MB/sec)
Yikes!
With mem=4096M:
[ 60.336352] raid6: using algorithm sse2x4 (6804 MB/s)
[ 60.341345] raid5: using function: generic_sse (8552.000 MB/sec)
What is going on here?
Justin.
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