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  • From: baslinux AT lists.ibiblio.org
  • To: baslinux AT lists.ibiblio.org
  • Subject: [BL] scsi/smp 2.4.31 kernels
  • Date: Sat, 10 May 2008 04:43:38 +0000 (UTC)

http://keesan.freeshell.org/blfiles.htm

I compiled and posted four kernels with built-in scsi support (for hard drive) and no IDE support. PII processor.

The first is about 700K, same size as the equivalent IDE kernel.

The scsi cd-rom module sr_mod.o won't insert so I compiled it again with it built-in (another 30K).

Then I added SMP support (dual processor), which made it much larger. Then PPP would not work (though the modules would insert - same problem with 2.2.16 kernel) so I had to compile that into the kernel too, which brought it up to about 800K.

If you have a dual-PII SCSI aic7xxx (Adaptec 7850 or 7895) computer, this kernel will be perfect! It can be used with the most common Adaptec add-in card but I could not get the CD-ROM drives to work plugged into that here (they worked in another computer without onboard scsi). I can put back IDE support on request.

The only use I found mentioned for SMP is to compile more kernels, editing linux/Makefile to change MAKE=make to MAKE=make -jN, where N is number of cpus plus 1. The example they gave was for compiling something other than a kernel (make config). I cannot find any source code with a Makefile containing MAKE=make. What else might I do with this nice shiny kernel besides mount the broken SCSI DVD drive and dial? The machine was built as a server and presumably servers handle multiple accounts better with multiple cpus.

(Unrelated - I can now mount /dev/hde for the PCMCIA CD-ROM drive. I was using a laptop kernel I had compiled and forgot I left out cd-rom support. Thanks Steven. Works perfectly now. Which means someone's TEAC is acting oddly.)

Sindi




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