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Date:      Tue, 24 May 2005 20:30:05 GMT
From:      Wilko Bulte <wb@freebie.xs4all.nl>
To:        freebsd-alpha@FreeBSD.org
Subject:   Re: alpha/30486: AlphaServer DS10 floppy access is broken
Message-ID:  <200505242030.j4OKU5m8016878@freefall.freebsd.org>

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The following reply was made to PR alpha/30486; it has been noted by GNATS.

From: Wilko Bulte <wb@freebie.xs4all.nl>
To: Sten Spans <sten@blinkenlights.nl>
Cc: bug-followup@FreeBSD.ORG, wilko@FreeBSD.ORG
Subject: Re: alpha/30486: AlphaServer DS10 floppy access is broken
Date: Tue, 24 May 2005 22:20:26 +0200

 On Tue, May 24, 2005 at 10:19:01PM +0200, Sten Spans wrote..
 > 
 > disabling dma (FDC_NODMA) recreates the RELENG_4
 > behaviour :
 > 
 > deepthought# dd if=/dev/zero of=/dev/fd0 bs=1440k count=1
 > dd: /dev/fd0: Input/output error
 > 1+0 records in
 > 0+0 records out
 > 0 bytes transferred in 1.928038 secs (0 bytes/sec)
 > deepthought# fdformat /dev/fd0
 > Format 1440K floppy `/dev/fd0'? (y/n): y
 > Processing fdformat: ioctl(FD_FORM): Input/output error
 > 
 > So it's either kernel crash in isadma or broken pio,
 > gotta love free choice :}
 
 A long time ago Andrew Gallatin (gallatin@) and myself tried
 to narrow it down.  ISTR Drew thought it was isadma getting something
 wrong.  
 
 -- 
 Wilko Bulte				wilko@FreeBSD.org



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