Date: Sun, 17 Jan 1999 16:35:44 -0500 From: Lee Cremeans <lee@st-lcremean.tidalwave.net> To: Karl Pielorz <kpielorz@tdx.co.uk> Cc: current@FreeBSD.ORG Subject: Re: Problems with new IDE's & -current Message-ID: <19990117163544.A65560@tidalwave.net> In-Reply-To: <36A2562F.52251545@tdx.co.uk>; from Karl Pielorz on Sun, Jan 17, 1999 at 09:29:19PM %2B0000 References: <36A24D5E.F1875A83@tdx.co.uk> <19990117161419.A65396@tidalwave.net> <36A2562F.52251545@tdx.co.uk>
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On Sun, Jan 17, 1999 at 09:29:19PM +0000, Karl Pielorz wrote: > > > Lee Cremeans wrote: > > > > The machine is a dual P90 (running SMP) - I get the problems even with a > > > single CPU kernel... It's running Neptune chipset (quite old) - and only > > > has 1 IDE channel. > > > > I would say that this has something to do with the DMA support, but since > > Neptune's IDE controller isn't DMA capable and PCI, that doesn't follow. > > Chances are that there's a not-quite-bad spot on your drive -- does it > > always seem to happen in the same place on the disk? > > Nope, it's more 'load' oriented than 'spot' oriented (i.e. the harder you push > them - the more of the above you get)... Both drives are brand new out the box > (for what it's worth), so I doub't they're 'bad'... DMA is disabled in the > kernel config as well, and the dmesg shows no hints of either multi-block or > DMA transfers... > > Thinking that way I've tried another cable since (brand new out the bag - > again 'for what it's worth') - and that has the same symptoms... So does > running only 1 drive on the bus... :-( I dunno then; it sounds like the IDE port is broken and starts dropping interrupts. This is a bit over my head -- any interrupt-service-routine gurus want to jump in here? I don't want to condemn the motherboard just yet. -- +--------------------------------------------------------------------+ | Lee Cremeans -- Manassas, VA, USA (WakkyMouse on DALnet and WTnet)| | lcremean@tidalwave.net| http://st-lcremean.tidalwave.net/~lee | To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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