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 Post subject: Memtester bootkernel
PostPosted: Fri Jun 30, 2006 8:25 am 
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Joined: Fri Mar 11, 2005 12:13 am
Posts: 43
Location: Sweden
Hello everybody.

I have put together a small bootkernel with the program memtester which allow you to check your memory on your pegasos. This one is a first release and does contain a bug/feature You have to write the boot arguments in this order.

boot memtester memtester=<your amounts of memory in digits and megabytes> init=/linuxrc

if you hade 512MB of memory in your pegasos the boot line would be

boot memtester memtester=512 init=/linuxrc

To get this nice piece of software you could get it at mupper's homepage att this location http://www.mupper.org/memtester
and the md5sum should be 46216233800ae3ce7bd2123d224dfeb3

I hope this could be useful if you are suspecting a faulty memory stick and it will be included on the next mupper release :)


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 Post subject:
PostPosted: Fri Jun 30, 2006 8:28 am 
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Joined: Fri Mar 11, 2005 12:13 am
Posts: 43
Location: Sweden
I forgot to tell that the boot arguments has to be in that order to :)


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 Post subject:
PostPosted: Fri Jun 30, 2006 8:51 am 
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Genesi

Joined: Fri Sep 24, 2004 1:39 am
Posts: 1422
Mikael, that is fantastic!

Good Work!!!

Please Everyone give Mikael a hand in testing this.

:) :) :) :) :)

Five Smileys Mikael. Thanks.

R&B :)

_________________
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 Post subject:
PostPosted: Fri Jun 30, 2006 10:23 am 
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Joined: Sun May 08, 2005 8:46 pm
Posts: 559
Location: Paris
it doesn't work here.

Pegasos2 G4 1Gb RAM (1 module)

memtester boots then i got a kernel panic right after memtester starts


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 Post subject:
PostPosted: Fri Jun 30, 2006 11:03 am 
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Joined: Fri Sep 24, 2004 1:39 am
Posts: 52
Location: Gothenburg
The same here :-)

Gunne


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 Post subject:
PostPosted: Fri Jun 30, 2006 1:31 pm 
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Joined: Fri Mar 11, 2005 12:13 am
Posts: 43
Location: Sweden
does it say anything more that a kernel panic. I only get kernel panic if I haven't specified the memory correctly. to bad I don't have 1GB memory stick in my peg so I can test it.

but try to boot with a lower amount of memory specified like 512 what does it happen then?


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 Post subject:
PostPosted: Fri Jun 30, 2006 2:00 pm 
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Joined: Sun May 08, 2005 8:46 pm
Posts: 559
Location: Paris
well i don't think i have the time to write every lines down here before the kernel panic, but i'll try to find a way to capture it for you.
with memtester=512 it works well.


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 Post subject:
PostPosted: Fri Jun 30, 2006 2:44 pm 
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Joined: Fri Sep 24, 2004 1:39 am
Posts: 429
Location: Secure Networks / Sweden
Lisardman
Image

I have been asking for this type of software for a long time.


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 Post subject:
PostPosted: Fri Jun 30, 2006 2:53 pm 
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Joined: Wed Oct 06, 2004 1:51 am
Posts: 19
Location: France
lisardman,

With 512 Mb I also got a kernel panic by running memtester with the syntax you gave. Is it possible to send all the displayed informations before the kernel panic via a pipe to a log file somewhere and how please ?

Brumiga


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 Post subject:
PostPosted: Fri Jun 30, 2006 3:17 pm 
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Joined: Fri Sep 24, 2004 1:39 am
Posts: 429
Location: Secure Networks / Sweden
The easiest is always to connect a nullmodem cable..


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 Post subject:
PostPosted: Fri Jun 30, 2006 4:48 pm 
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Joined: Fri Mar 11, 2005 12:13 am
Posts: 43
Location: Sweden
if you remove the init=/linuxrc you could run memtester from the busybox if you want more control of it.. I don't think usb-keyboards will work..


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 Post subject:
PostPosted: Sat Jul 01, 2006 4:20 am 
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Joined: Thu Jul 28, 2005 12:41 am
Posts: 1066
For all of those with kernel crashes: please try to use this method to calculate tested RAM size:
Code:
RAM MB - 16
In my case it's:
Code:
256 - 16 = 240
and it works fine, it could not find any errors until now :-)

I think, the problem is, that all of the kernel, busybox and the memtester itself use RAM. Memtester seems to reserv a huge chunk of RAM and only test that.

CzP


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 Post subject:
PostPosted: Tue Jul 11, 2006 1:07 pm 
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Joined: Fri Mar 11, 2005 12:13 am
Posts: 43
Location: Sweden
hard to get it work in any other way. I have tried to slim it down.. but I think this could be helpful anyway even if it is a little bit buggy in the boot process.


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 Post subject:
PostPosted: Sat Jul 15, 2006 11:06 am 
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Genesi

Joined: Fri Sep 24, 2004 1:39 am
Posts: 1422
Where are we on this?! Any more feedback?

R&B :)

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 Post subject:
PostPosted: Sat Jul 15, 2006 3:37 pm 
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Joined: Sun May 08, 2005 8:46 pm
Posts: 559
Location: Paris
Quote:
Where are we on this?! Any more feedback?

R&B :)
lol Bill you're starving !
it's your posting day ? ;-)

well it wasn't working well for >512Mb
how is it going now ?


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