Date: Sun, 16 Apr 2000 10:41:33 -0400 From: Rod Taylor <rbt@zort.on.ca> To: Jean-Francois Dockes <jean-francois.dockes@wanadoo.fr> Cc: freebsd-stable@freebsd.org Subject: Re: BurnCD Message-ID: <20000416104133.B3353@peon.zort.on.ca>
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The drive worked before with the v3 burning stuff. (The 3 or 4 utilities that did the job in a script). But this was all userland, no kernel stuff. However, I did the upgrade to v4 shortly after moving, so perhaps the drive got knocked around during that time. On Sun, 16 Apr 2000 02:53:30 Jean-Francois Dockes wrote: > Rod Taylor writes: > > Problems fixating with BurnCD. dmesg below... > > > > ... > > acd0: READ_TOC - ILLEGAL REQUEST asc=24 ascq=00 error=04 > > This would happen for READ_TOC on a blank disk. May be normal, > depending on what burncd is doing > > > acd0: WRITE_BIG - MEDIUM ERROR asc=0c ascq=09 error=04 > > Medium error normally means just this: bad spot on the disk. Some > drives sometimes mistakenly report medium error for what is actually a > loss of streaming. Also, it is impossible to discriminate a bad drive > from a bad disk in most cases (other than statistically: retry with a > disk from another batch, etc...) > > The following are just uninteresting consequences: > > > acd0: CLOSE_TRACK/SESSION - ILLEGAL REQUEST asc=24 ascq=00 error=04 > > burncd tries to finalize, but the drive is in no mood to do this after > the previous error. > > All the rest signals internal inconsistencies in burncd and acd0 > states: I think you just have to reboot... > > > acd0: WRITE_BIG - MEDIUM ERROR asc=0c ascq=09 error=04 > > acd0: CLOSE_TRACK/SESSION - ILLEGAL REQUEST asc=24 ascq=00 error=04 > > pid 810 (burncd), uid 0: exited on signal 3 (core dumped) > > acd0: sequence error (disk already open) > > acd0: sequence error (disk already open) > > ... > > If you've tried this several times on different (several brands or > different batches) disks, the most probable cause is a bad drive, but > these problems are extremely hard to diagnose. At musicmaker, we'd > just replace the drive after a few problems of this kind. > > > Jean-Francois Dockes - musicmaker.com > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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