Date: Wed, 13 Mar 2002 21:57:02 -0500 From: "Dan Langille" <dan@langille.org> To: Bjoern Fischer <bfischer@Techfak.Uni-Bielefeld.DE> Cc: freebsd-stable@FreeBSD.ORG Subject: Re: cdrecord under 4.5-stable Message-ID: <20020314025702.B45073F0E@bast.unixathome.org> In-Reply-To: <20020313180702.GA1761@frolic.no-support.loc> References: <20020313164933.685BC3F0E@bast.unixathome.org>
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On 13 Mar 2002 at 19:07, Bjoern Fischer wrote: > Hello Dan, > > [...] > > # cdrecord -eject speed=12 dev=0,5,0 repo.raw > [...] > > Sense Bytes: F0 00 03 00 00 26 FB 0A 00 00 00 00 0C 09 00 00 00 00 > > Sense Key: 0x3 Medium Error, Segment 0 > > Sense Code: 0x0C Qual 0x09 (write error - loss of streaming) Fru 0x0 > > Loss of streaming means that the CDR internal I/O buffer had an > underflow. Probably there was some load on the machine, especially > I/O on the same disk, where 'repo.raw' came from. > > You may try the fs option of cdrecord to set a larger fifo buffer size. > cdrecord locks the fifo buffer to prevent paging, so don't use too > excessive values. On a machine with 256MB RAM and a moderately loaded > 100MBit ethernet I use fs=24m when burning CDRs across the network. The box isn't under any more load than previous burns. The box contains the CDRW and the ISO image. I have no idea why an underflow would occur given that not much has changed recently. I think I'm going to test this with a recordable CD for a while... -- Dan Langille The FreeBSD Diary - http://freebsddiary.org/ - practical examples To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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