Scyld module configuration

Ben DeLong ben.delong at dnamerican.com
Wed Jul 18 15:01:52 EDT 2001


Sean,

I've done some more checking into this problem.  I added the line you 
specified into the config.boot file and rebuilt the boot images for 
phase 2.  The failure occurs when the modules are loaded for phase 2 (no 
suprise).  It appears from the boot text that the modarg parameter is 
being sent to the pci-scan module instead of the 3c59x module, pci-scan 
fails to load because of the invalid argument, and therefore the 3c59x 
module fails to load because it depends on pci-scan.

Is there a way that I can look at the modules dependancies generated by 
beoboot after (during) boot image creation.

Thanks for your help.

Ben

Sean Dilda wrote:

>On Fri, 13 Jul 2001, Ben DeLong wrote:
>
>>Greetings,
>>
>>A couple of weeks ago I posted a question regarding a specific 3Com 
>>network card that wouldn't detect 100Mb/sec with the 2.2.x linux kernel 
>>(Mandrake 7.2) and instead only ran at 10Mb/sec.  I was able to fix the 
>>problem by passing an option to the 3c59x module when it was loaded. 
>> Specifically I added the line "options eth0 options=8,8" to the 
>>module.conf file.
>>
>>Yesterday I got around to installing Scyld on our 4 node cluster and 
>>bumped into the same problem - all the cards were running at 10Mb after 
>>install.  On the head node the problem was easy enough to fix by adding 
>>the options line to the conf.modules file on the head.  My question is 
>>how do I pass this parameter on the slave nodes?  I have looked through 
>>all the documentation I have and I can't find an answer.
>>
>
>In the /etc/beowulf/config.boot file you can add the line:
>modarg 3c59x options=8,8
>
>Then remake your phase1 and phase2 images and it should do what you
>want.  This should be documented in the reference guide, available at
>http://www.scyld.com/support/docs/beowulf.html
>
>By the way, what version of our software are you running?  I ran into a
>problem with a 3com card not detecing 100M in our preview release, but
>the updated drivers in the 27bz-7 release worked without a problem.
>



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