From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <c886c2e94e2f13a11e02b90a5e1c0ea7@quanstro.net>
From: erik quanstrom <quanstro@quanstro.net>
Date: Wed,  9 Jan 2008 08:11:04 -0500
To: 9fans@cse.psu.edu
Subject: Re: [9fans] Fossil+venti install problem
In-Reply-To: <478482fd.247.30f.1562873411@webmailh1.aruba.it>
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> On Dec 27 I wrote about a problem I had installing a
> fossil+venti config using the ISO image downloaded on Dec
> 22:
> 
> * On several HW setup, from P500 to P3000, the
> * install goes ok but just after the boot from HD
> * starts an endless activity (> 20 h ?!) with a steady
> * 100% cpu load and periodic (1 sec seek, 3 sec. pause)
> * disk load. Then the machine hangs.
> 
> The same behaviour has also been observed in the University
> lab by some students working on a thesis about Plan9.
> 
> Is there other 9fan(s) who had the same problem ?
> 
> a.v.

i hesitate to answer because i have not seen such a problem
nor do i run venti or fossil.

i haven't any answers, but perhaps these questions would help
narrow things down (assuming of course that you haven't hit an
actual venti bug):

1. what kind of drives are you using; what hba?  have you enabled dma?
2. which processes are accumulating cpu time?
3. what is the interrupt load, memory usage? ("stats -lsef")

- erik