Date: Mon, 19 Jun 2000 11:15:23 +1000 From: John Vender <john@jmv.com.au> To: freebsd-questions@freebsd.org Subject: Re: serial port silo overflow errors Message-ID: <l03102800b573214cf066@[203.109.165.243]> In-Reply-To: <20000618121752.A33022@mashed.turnip.org.uk>
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I had that problem with a Dell Dimension XPS T with 3.1 and 3.4 recently and was tearing my hair out until I found BSD News Article 185853 by Andy Smith in the archives which helped a lot. Apparently it's related to a IDE controller on some motherboard which uses DMA and if it's not turned on results in problems with things resulting in silo overflows. I had to also do the second suggestion, turn off legacy USB in the bios. The box still gets few silo overflows but a tiny fraction of what it was doing before. I didn't save the post, only printed it out, but the article ID should help you find it. If you can't I can type it in I guess :) Cheers...John Jonathan Vaughan wrote: >I am having silo overflow errors like >Jun 18 02:31:55 mashed /kernel: sio1: 1 more silo overflow (total 135) >whenever i download files over a dialup isp. > >My setup: >4.0-STABLE, as of june 16. Problem also occurred with 4.0-RELEASE >amd athlon 700 >abit ka7-100 >usr sportster external 33.6 >serial ports are 16550A. > >I have tried reducing my serial port speed to 57600, but this has no effect. >Looking at the archives, it seems this is a fairly common problem, but one >that's not resolved. Does anyone have any suggestions? > >Thanks in advance > >Jon To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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