On Tue, Dec 16, 2003 at 01:06:02AM -0500, michelle wrote:
> Derrick 'dman' Hudson wrote:
> > 
> > What CPU?  How much memory?  What speed memory?  What sort of disks
> > (bus type, speed, etc.)?  What does 'hdparm /dev/hda' report?
> > 
> > It sounds like you're hitting a bottleneck in the hardware
> > configuration.
> > 
> 
> Pentium 4, 2.1 GHz, 1 GB RAM, 200 MHz RAM
> IDE Bus, 400 MHz system bus
> IDE cable supports UDMA-33 and ATA-66/100
> The hard disk supports pio 1-4, dma through mdma 1-4 and udma 1-5
> nVidia TNT2 AGP video card
> 
> booting single user in 80x25 text mode gives still gives me the hard disk 
> acces on each keypress.
> 
> Oh yeah, I'm using sarge with various kernels (2.2.20, 2.4.22, 2.6.0-test9, 
> 2.6.0-test11) all giving the same results. Previously, woody was on this 
> machine, and this problem didn't occur.
> 
> Is there a configuration file somewhere that sets the amount of memory to 
> use for the bash shell? If so, what is it? And could it be set to something 
> absurdly small?
> 
> Or is this perhaps from a keylogger secretly installed? If so, how could I 
> detect it?
> 

Its a bit of a dirty hack and I'm not sure if it will show you the
culprit if its actually a trojan, but the laptop mode patch (its in
2.4.23 since pre4 and there is a patch against 2.4.22) has a proc entry
in /proc/sys/vm/block_dump which prints out all disk access (you should
disable syslog if you use it). I think that in the original
implementation though its disabled when laptop mode is not enabled, but
not sure.
If you are interested in it I could isolate out that part of the patch.

> Thank you.
> 
> 
> 
> 
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