Date: Fri, 10 May 2002 05:43:32 +0000 From: Baldur Gislason <baldur@foo.is> To: alasir@supereva.it Cc: freebsd-stable@freebsd.org Subject: Re: silo overflows?? Message-ID: <20020510054350.871682744@tesla.foo.is> In-Reply-To: <20020510040818.33340.qmail@web11205.mail.yahoo.com> References: <20020510040818.33340.qmail@web11205.mail.yahoo.com>
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I've only seen this silo overflow stuff when I've been using pppd on a serial line with no hardware handshaking. Baldur On Friday 10 May 2002 04:08, you wrote: > It looks like I've found out a reason of these > overflows. > > When I try to download any MP3 file from WWW I have an > old habit to buffer about 10% to hard drive and play > it back using XMMS to make sure it's good enough > quality to download all the file. IMHO, wget or > another downloader over PPP expects problems while > writing data to the file still being used by different > application [XMMS], so data is kept in FIFO buffers, > waiting. But seconds pass and file is still on use, so > serial port FIFO buffers get overflown. > When I stop XMMS, downloading process continues > normally and error messages cease. > > Rhett > > --- Matthew Dillon <dillon@apollo.backplane.com> > > wrote: > > I don't know if this is related but on my Sony > > VAIO desktop > > the serial receive interrupt occassionally stops > > operating... > > that is, I only receive characters queued up in > > the serial > > port's hardware FIFO when I transmit something > > over the serial > > link. I've never been able to track the problem > > down. > > > > The effect is that the PPP link run over the > > serial port stalls, > > fails, and hangs up. Once the machine gets into > > this state only > > a reboot will fix it. It does not happen on any > > of my other boxes. > > > > -Matt > > Matthew Dillon > > <dillon@backplane.com> > > > > :Hello all, > > :from time to time one of my machines loses dial-up > > :connection with local ISP. It appears on > > > > non-regular > > > > :basis, just at some moment connection "freezes", > > :however carrier isn't lost, but a number of error > > :messages from kernel shows up: > > : > > :PPP ON localhost> Apr 29 04:14:01 /xeon: sio1: 1 > > > > more > > > > :silo overflow (total 540) > > :Apr 29 04:14:01 /xeon: sio1: 1 more silo overflow > > :(total 540) > > :Apr 29 04:14:17 /xeon: sio1: 23 more silo overflows > > :(total 563) > > :Apr 29 04:14:17 /xeon: sio1: 23 more silo overflows > > :(total 563) > > :Apr 29 04:14:20 /xeon: sio1: 17 more silo overflows > > :(total 580) > > :Apr 29 04:14:20 /xeon: sio1: 17 more silo overflows > > :(total 580) > > :Apr 29 04:14:27 /xeon: sio1: 31 more silo overflows > > :(total 611) > > :Apr 29 04:14:27 /xeon: sio1: 31 more silo overflows > > :(total 611) > > :Apr 29 04:14:40 /xeon: sio1: 7 more silo overflows > > :(total 618) > > :Apr 29 04:14:40 /xeon: sio1: 7 more silo overflows > > :(total 618) > > :Apr 29 04:15:06 /xeon: sio1: 7 more silo overflows > > :(total 625) > > :Apr 29 04:15:06 /xeon: sio1: 7 more silo overflows > > :(total 625) > > : > > :And so on. Errors are reported by kernel, so > > > > killing > > > > :pppd doesn't help, of course. Rebooting is the only > > :way to go. Had anyone else tried to solve such a > > :problem? > > : > > :Rhett Hollander > > : > > :P.S. COM2 was disabled in BIOS, and USR Courier ISA > > :hangs on it. Modem is known to work fine. > > __________________________________________________ > Do You Yahoo!? > Yahoo! Shopping - Mother's Day is May 12th! > http://shopping.yahoo.com > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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