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Date:      Thu, 05 Jun 1997 11:58:02 -0600
From:      Steve Passe <smp@csn.net>
To:        NISHIO Shuichi <nishio@caleche.kecl.ntt.co.jp>
Cc:        smp@FreeBSD.ORG
Subject:   Re: bug with SMP_AUTOSTART? 
Message-ID:  <199706051758.LAA27587@Ilsa.StevesCafe.com>
In-Reply-To: Your message of "Thu, 05 Jun 1997 16:29:49 %2B0900." <19970605162949Y.nishio@elysium.kecl.ntt.co.jp> 

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Hi,

> Hello,
> 
> Yesterday I found that kernels with SMP_AUTOSTART shows wierd
> behavior.
> 
> When I try to run Mule-2.3@19.34 (a multi-lingual variant of emacs
> 19.34), it works for 2-3 invocation after reboot. Afterwards, it
> won't run, just dumps a core. This situation is somewhat similar to
> the following description from emacs-19.34's "PROBLEMS" file.
> 
> ---- begin citation ----
> * After running emacs once, subsequent invocations crash.
> ...
> ---- end citation ----

It might be a mmap issue, but your the first user to report this problem...

---
> The worst thing is, that once felt into this core-dumping situation,
> disk accesses seems to be corrupted: if I 'cat' a file, it shows
> wrong contents, with binaries. If I tried 'cat'ing the same file
> several times, it shows different contents every time.
> This files are actually not corrupted, and after rebooting, 
> it shows up normally.
> 
> Using a kernel without SMP_AUTOSTART, and doing 
> 'sysctl -w kern.smp_active=2' seems to work fine (well, I tried to run 
> 100 Mules at once, and the system went panic, but this probably is
> an another issue).
> 
> The same thing can be seen with every kernels from 8/May to Yesterday.

did it work properly b4 may 8?  (or was that just the first time you
started using SMP_AUTOSTART?)

--
Steve Passe	| powered by 
smp@csn.net	|            Symmetric MultiProcessor FreeBSD





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