Brett Simpson wrote:
>
> I've always had problems with my redhat 7.1 pc locking up all the time and never understood why. It would lock right when the swap file was geting hit real heavy. I read this article last night and started upgrading everything to the latest kernel so hopefully this will clear it up. Does RedHat 7.2 use the -ac kernel or is it the genuine linus kernel tree?
RedHat has a ton of patches that makes it neither really the -ac tree
nor the Linus tree. I believe AC has a hand in the patching process,
but has stated before that he's *not* the guy at RedHat who's
responsible for maintaining the kernel packages.
I don't use RedHat much so I can't say for sure, but my guess would be
that it starts with the Linus tree and merges a bunch of patches,
probably also some from AC.
It may also have nothing to do with the kernel - check if you have DMA
enabled on your hard drive (hdparm /dev/hda). If so, your hardware may
have DMA issues under heavy load.
There are a number of other possibilities as well.
--
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#!/usr/bin/perl -w
$_='while(read+STDIN,$_,2048){$a=29;$b=73;$c=142;$t=255;@t=map
{$_%16or$t^=$c^=($m=(11,10,116,100,11,122,20,100)[$_/16%8])&110;
$t^=(72,@z=(64,72,$a^=12*($_%16-2?0:$m&17)),$b^=$_%64?12:0,@z)
[$_%8]}(16..271);if((@a=unx"C*",$_)[20]&48){$h=5;$_=unxb24,join
"",@b=map{xB8,unxb8,chr($_^$a[--$h+84])}@ARGV;s/...$/1$&/;$d=
unxV,xb25,$_;$e=256|(ord$b[4])<<9|ord$b[3];$d=$d>>8^($f=$t&($d
>>12^$d>>4^$d^$d/8))<<17,$e=$e>>8^($t&($g=($q=$e>>14&7^$e)^$q*
8^$q<<6))<<9,$_=$t[$_]^(($h>>=8)+=$f+(~$g&$t))for@a[128..$#a]}
print+x"C*",@a}';s/x/pack+/g;eval
usage: qrpff 153 2 8 105 225 < /mnt/dvd/VOB_FILENAME \
| extract_mpeg2 | mpeg2dec -
http://www.cs.cmu.edu/~dst/DeCSS/Gallery/
http://www.eff.org/ http://www.anti-dmca.org/
http://www.sciencemag.org/cgi/content/full/293/5537/2028
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