Date: Mon, 26 Jul 2010 10:59:47 +0800 From: Erich Dollansky <erichfreebsdlist@ovitrap.com> To: freebsd-questions@freebsd.org, Polytropon <freebsd@edvax.de> Subject: Re: growisofs gives random error messages on 8.1 amd64 Message-ID: <201007261059.47832.erichfreebsdlist@ovitrap.com> In-Reply-To: <20100726031122.a6fd013d.freebsd@edvax.de> References: <201007260835.54088.erichfreebsdlist@ovitrap.com> <20100726031122.a6fd013d.freebsd@edvax.de>
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Hi, On Monday 26 July 2010 09:11:22 Polytropon wrote: > > Your command was > > growisofs -dvd-compat -speed=4 -Z /dev/cd0=imagefile.iso' > > You can omit the -speed parameter as growisofs usually (this means, > at least by my individual experience) will automatically determine > the correct writing speed. the speed parameter got stuck after I tried the lowest supported speed to exclude the speed as the cause. > > As writing started - your example did show that - I don't think > it's a problem with permissions (cd, pass, xpt devices). I did it as root. > > > On Mon, 26 Jul 2010 08:35:53 +0800, Erich Dollansky <erichfreebsdlist@ovitrap.com> wrote: > > The output is random. It even claimed once to have the DVD finished. > > > > But the DVD is not mountable. > > Check "file - < /dev/acd0" if an ISO file system has been written > to the DVD. > > > > > As it was never used to burn, it also could be a hardware problem. > > Reading was not a problem on 8.0. > > Could be, especially if you consider the range of errors, from "no > write at all" to "finished writing" (with no readable result). These optical media drive me crazy. I once have had a CD with a very fine crack. Once it worked, once it did not. Over time, the crack became visible. As it was an installation CD it caused a lot of problems before realising that the CD is the source. > > > > > I followed this advice: > > > > http://www.freebsd.org/gnome/docs/halfaq.html#q6 > > Just for testing, I would first eleminate HAL and all the "automation > magic". The test setting should be as "clean" as possible. > Ok, this is what I will do later when my main work has finished using X. > > Polytropon > Magdeburg, Germany > Happy FreeBSD user since 4.0 My first BSD was running on a PDP-11 in 79. Some time has passed since then. Erich
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