Date: Thu, 26 Jan 1995 10:38:18 +0000 (GMT) From: Doug Rabson <dfr@render.com> To: Julian Elischer <julian@tfs.com> Cc: hackers@FreeBSD.org Subject: Re: Strange errors with AHA1542B Message-ID: <Pine.BSF.3.91.950126103504.21461B-100000@minnow.render.com> In-Reply-To: <m0rXHrD-0003x8C@TFS.COM>
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On Wed, 25 Jan 1995, Julian Elischer wrote: > > > > I just started noticing errors like this appearing on my console: > > > > blkno=3831389276 bcount=1949779968 flags=0x100010 > these figures are rubish > something has scribbled over something else.... > > Debugger("") called. > > aha0: aha_scsi_cmd, more than 17 DMA segs > yep, 1949779968 bytes is more than 17 x 4k pages.... > > > > sd1: oops not queue > > > > > Is this a known problem? Is it serious? > no and yes... > > (suspect H/W (cache?)) > does it happen after a reboot? > with a new kernel? This is with a FreeBSD-2.0-RELEASE kernel on a 486DX33 motherboard which has been happily running FreeBSD since it was called 386BSD-0.2.4. It happens very infrequently and does not *appear* to cause any problems. -- Doug Rabson, RenderMorphics Ltd. Mail: dfr@render.com Phone: +44 71 251 4411 FAX: +44 71 251 0939
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