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Re: 2.4.9 is bad

To: linux-xfs@xxxxxxxxxxx
Subject: Re: 2.4.9 is bad
From: Derek Glidden <dglidden@xxxxxxxxxxxxxxx>
Date: Mon, 01 Oct 2001 16:01:04 -0400
References: <1001963944.21818.32.camel@xxxxxxxxxxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
Florin Andrei wrote:
> 
> Looks like there are some serious problems with 2.4.9
> This is what i get from a system running XFS-1.0.1 on linux-2.4.9, RAID
> hardware (DAC960):
> 
> xfs_force_shutdown(dac960(48,4),0x8) called from line 4072 of file
> xfs_bmap.c.  Return address = 0xc01b8b9c
> Corruption of in-memory data detected.  Shutting down filesystem:
> dac960(48,4)
> Please umount the filesystem, and rectify the problem(s)
> 
> I saw this at least twice on this system.
> Anyone knows if 2.4.10 fixes these problems?

We've seen this same error a couple of times on an Athlon box using
several big IDE hard drives with software RAID0 during heavy activity.

The box has some other problems, though, so we haven't redeployed it yet
with 2.4.10 on it, but that's the next step for us. 

-- 
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
#!/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 - 

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