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SubjectRe: lost memory on a 4GB amd64
On Fri, 24 Sep 2004, Andrew Walrond (AW) wrote:

AW> On Monday 20 Sep 2004 11:26, Sergei Haller wrote:
AW> >
AW> > fang ~sergei> ./memtest 1000000000
AW> > allocate 1000000000: ok
AW> >
AW> > Message from syslogd@fang at Mon Sep 20 18:03:16 2004 ...
AW> > fang kernel: Oops: 0000 [1] PREEMPT SMP
AW> >
AW>
AW> Works fine on my 4Gb Tyan thunder K8W machine, even running from an xterm:
AW> andrew@orac ~ $ uname -a
AW> Linux orac.walrond.org 2.6.8.1 #3 SMP Sun Aug 29 17:36:49 BST 2004 x86_64
AW> unknown unknown GNU/Linux
AW>
AW> andrew@orac ~ $ free -m
AW> total used free shared buffers cached
AW> Mem: 4008 263 3744 0 0 66
AW> -/+ buffers/cache: 195 3812
AW> Swap: 3827 25 3802
AW>
AW> andrew@orac ~ $ ./memtest 1000000000
AW> allocate 1000000000: ok
AW> set them to 0... done
AW> andrew@orac ~ $ ./memtest 4000000000
AW> allocate 4000000000: ok
AW> set them to 0... done
AW> andrew@orac ~ $ ./memtest 5000000000
AW> allocate 5000000000: ok
AW> set them to 0... done
AW> andrew@orac ~ $
AW>
AW> The last one took a while (using 1Gb swap) but it still worked fine.

Hi Andrew,

thanks for your report.

It's the same for me if I use the non-SMP version of the kernel.
but the SMP one seems to be panicking for some reason.


Sergei
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