Date: Wed, 27 Mar 2002 23:21:38 -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: <20020328042106.483933F2D@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=3D12 dev=3D0,5,0 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. Hmmm, there isn't much on this box at all. It's pretty quiet. > 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=3D24m when burning CDRs across the network. FWIW, over the weekend I went and bought some CDRW media and tried that. It worked. So tonight I tried a CDR, and it worked, albeit at a much slower speed than I am used to. I will slowly work my way up to my normal= speed. [root@xeon:/home/ftpbackup] # cdrecord -eject speed=3D4 dev=3D0,5,0 repo.r= aw Cdrecord 1.10 (i386-unknown-freebsd4.5) Copyright (C) 1995-2001 J=F6rg Schilling scsidev: '0,5,0' scsibus: 0 target: 5 lun: 0 Using libscg version 'schily-0.5' Device type : Removable CD-ROM Version : 2 Response Format: 2 Capabilities : SYNC LINKED Vendor_info : 'PLEXTOR ' Identifikation : 'CD-R PX-W124TS' Revision : '1.05' Device seems to be: Generic mmc CD-RW. Using generic SCSI-3/mmc CD-R driver (mmc_cdr). Driver flags : SWABAUDIO Starting to write CD/DVD at speed 4 in write mode for single session. Last chance to quit, starting real write in 0 seconds. Operation starts. Track 01: Total bytes read/written: 380272640/380272640 (185680 sectors). [root@xeon:/home/ftpbackup] # -- 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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