From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew To: 9fans@cse.psu.edu Subject: Re: [9fans] file server page faulting Message-ID: <20020913152348.GA19419@thefrayedknot.armory.com> References: <0d0db65836132ef87de9dc7bf71f8a33@9fs.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0d0db65836132ef87de9dc7bf71f8a33@9fs.org> User-Agent: Mutt/1.4i Date: Fri, 13 Sep 2002 08:23:48 -0700 Topicbox-Message-UUID: e9ed3872-eaca-11e9-9e20-41e7f4b1d025 On Fri, Sep 13, 2002 at 04:14:04PM +0100, nigel@9fs.org wrote: > > the hardware is an older pentium (90?) it has 40 mb of ram with integrated > > s3 video and uses a symbios scsi adapter with a 2.5gb hard drive. No > > dump media is attached. The ethernet card is a i82557 mini-nic. I can > > make this happen by usually accessing lots and lotsof data. For example > > if i cat /dev/zero into a file then cat it back out a couple of times > > it usually breaks. I swapped the scsi setup into another system (my > > terminal actually), which does not have an integrated video controller > > and the same type of nic. It had the same problem. The crash is known > > to happen seemingly sporadically also. > > > > is it worth reinstalling onto ide drives? I can backup all my changes > > fairly easily. > > It may be. When it breaks, what is the address it happens at? > When you say integrated S3 do you mean in the chip set? Does it used > shared memory? i will try and get the address. > > The possible issues here are > > 1. the S3 is sharing the memory; there is no allowance for this, and > when the buffer cache meets the frame buffer horrible things happen the reason i doubt this is that i get the same results on a different machine that does not have an integrated controller, it has an isa video card of trident genre so i doubt that the memory is shared between those two. > > 2. which symbios controller? check that the PCI bus specs. match, as > older symbios controllers don't work on newer PCI busses it is a fairly new, working, symbios controller I am 99% certain it is the one specified in the supported hardware section. i will check when i get home from work. but i believe its listed as scsi0=type=ncr53c8xx in the plan9.ini file. > > If it is the scsi controller, and the bus specs. match, then I get more > interested, having written the symbios driver. > Im planning on putting the scsi setup in one of my linux machines and seeing what happens if i cat the whole drive out. That way if theres any blocks that its having trouble with i can find out. thanks for your help.