Re: Status of SMp support in 2.1?

David Woodhouse (Dave@imladris.demon.co.uk)
Fri, 10 Apr 1998 13:17:53 +0200


> Could somebody reply with a small update as to what the current
> status of SMP support is in the 2.1 kernel tree?

Rock solid and gorgeous. This is on a dual-P200 Tyan Tomcat II with
AHA2940UW and DEC 21041 (Tulip) network card.

>
> I'm purchasing 4 dual Pentium-II servers my office and was hoping to
> use linux on them. Is there anything I should know about that would
> prevent one of the later 2.1.xx kernels for functioning well?

Not as far as I'm aware.

>
> Are there any problems using the Intel EtherExpressPro 100 adapter
> or the EATA-DMA SCSI driver under smp? Just wondering if the
> network and DPT controller I ordered will have problems.

If in doubt, use the same hardware as Linus. See his definition of
"regression testing". :)

Currently, I believe that's Intel SMP, EtherExpressPro, and BusLogic SCSI.

>
> And lastly... I noticed the people are complainging of 2.9.9x locking
> up. What would you suggest as to which 2.1.xx version to run that
> will yield the most stability?

I foudn 2.1.8[789] to be good. I've only just updated fom .89 to .94,
which seems fine here, too.

> dwmw2:/var/spool/mail $ uname -a
> Linux dwmw2.robinson.cam.ac.uk 2.1.94 #10 SMP Thu Apr 9 09:15:25 BST 1998 i586 unknown
> dwmw2:/var/spool/mail $ uptime
> 1:14pm up 1 day, 3:25, 2 users, load average: 2.07, 2.12, 2.33
> dwmw2:/var/spool/mail $ gcc -v
> Reading specs from /usr/lib/gcc-lib/i586-pc-linux-gnu/pgcc-2.90.27/specs
> gcc version pgcc-2.90.27 980315 (egcs-1.0.2 release)

I'd get the latest - by the time you've ordered and installed the
hardware, I'd expect any problems to have been fixed, even if you were
destined to be one of the unlucky few who suffer.

---- ---- ----
David Woodhouse, Robinson College, CB3 9AN, England. (+44) 0976 658355
Dave@imladris.demon.co.uk http://www.imladris.demon.co.uk
finger pgp@dwmw2.robinson.cam.ac.uk for PGP key.

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