Date: Wed, 25 May 2005 13:30:09 -0700 From: Marcel Moolenaar <marcel@xcllnt.net> To: Sten Spans <sten@blinkenlights.nl> Cc: freebsd-alpha@freebsd.org Subject: Re: alpha/30486: AlphaServer DS10 floppy access is broken Message-ID: <20050525203009.GB5369@ns1.xcllnt.net> In-Reply-To: <Pine.SOC.4.61.0505252137430.17189@tea.blinkenlights.nl> References: <200505250728.j4P7SefF044410@freefall.freebsd.org> <20050525115710.GA11176@freebie.xs4all.nl> <5aa43d08238e5e05501831a68575fbd5@xcllnt.net> <52909e3b78cfe5d114d18191853dced9@xcllnt.net> <20050525180709.GA13039@freebie.xs4all.nl> <Pine.SOC.4.61.0505252137430.17189@tea.blinkenlights.nl>
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On Wed, May 25, 2005 at 10:06:02PM +0200, Sten Spans wrote: > > I am not 100% sure yet but I think I might have found something: > http://www.uwsg.iu.edu/hypermail/linux/alpha/9912.3/0000.html > https://www.redhat.com/archives/axp-list/2000-January/msg00727.html Thanks, I'll take a look at it. I don't have the hardware to test though, so I don't know at this time how fruitful it will be that I look at it. > But now, with a fresh new, zero'd floppy it seems to work sometimes: > > deepthought# dd if=/dev/zero of=/dev/fd0 count=1 > 1+0 records in > 1+0 records out > 512 bytes transferred in 0.177883 secs (2878 bytes/sec) > deepthought# fdformat /dev/fd0 > Format 1440K floppy `/dev/fd0'? (y/n): y > Processing E--------------------------------------- > ^C > deepthought# dd if=/dev/zero of=/dev/fd0 count=1 > dd: /dev/fd0: Input/output error > 1+0 records in > 0+0 records out A failed format attempt may render the disk useless. The I/O error may not be related to the DMA problem that I fixed, but to a bad floppy as the result of the broken fdformat. > On another note, the busdma fix might fix some of the other > reported crashes for RELENG5, I'll try digging up a soundcard. That would be great. Thanks, -- Marcel Moolenaar USPA: A-39004 marcel@xcllnt.net
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