Yes it is an issue between burners. I cannot switch from one (burning) and another one (read)!!! The reason that I a doing that is the network, good compare with bad! Even if the DVD is checked, it does not mean that it is going to work! > dvd's not being from reputable maker can also cause problems. Philips, Imation, Sony? > when buying a new burner, remember you want dvd-r to match dvd-r blanks What does it mean? Thank =========================================================================== Patrick DUPRÉ | | email: pdupre@xxxxxxx Laboratoire de Physico-Chimie de l'Atmosphère | | Université du Littoral-Côte d'Opale | | Tel. (33)-(0)3 28 23 76 12 | | Fax: 03 28 65 82 44 189A, avenue Maurice Schumann | | 59140 Dunkerque, France =========================================================================== > Sent: Wednesday, July 29, 2015 at 6:16 AM > From: g <geleem@xxxxxxxxxxxxx> > To: users@xxxxxxxxxxxxxxxxxxxxxxx > Subject: Re: Fedora 22 WS live i686 fails > > > > On 07/28/15 02:44, Patrick Dupre wrote: > >> On Tuesday, July 28, 2015 at 4:46 AM jd1008 wrote > >> On 07/27/2015 08:40 PM, g wrote: > >>> On 07/27/15 16:44, Patrick Dupre wrote: > >>>> Hello, > >>>> > >>>> I tried to start Fedora 22 WS live i686 (from a DVD that I burned) > >>>> on 2 different machines and it failed with the message: > >>>> Could not boot > >>>> /dev/disk/by-label/Fedora-Live-WS-i686-22-3 does not exist > >>>> /dev/mapper/live-rw does not exit > >>>> > >>>> I burned 2 DVDs with the same issue! > >>> did you run checksum on iso before burning? > > YES > > > . > ok. > > >>> are you burning cl or gui? > > GUI (k3d) > > > . > ok. > > >>> try burning at 2 speeds slower to test dvd's and burner. > > The speed is auto (x4 if I am correct) > > > . > such would mean either your burner or dvd's are 4x. if both are above > 4x, it would tend to indicate burner problem, or it is an early model. > > manually drop to 2x to see if new burn will boot. > > <<>>> > >> Another check should be done when the dvd is booted and anaconda > >> prompts the user to check the media. If that check fails, then, perhaps > >> a. bad burn > > It success > >> b. bad media > > I tried 2 types of media already > >> c. bad download > > !! > >> d. flaky dvd drive > > > > I never had any problem before with this burner or DVDs > > > . > a burner can go bad while burning or reading a dvd. more often when > burning. main cause of problems is laser fails, usually from higher > wattage used during burn. > > optical disk burners are strange devices with stranger habits. > > another test is to burn a different live iso. something that you > have burned before and had good results, _and_ is of early "/dev" > configuration. > > because you have 2 machines, try burning dvd on 2nd box. > > dvd's not being from reputable maker can also cause problems. > > today's run of dvd-r disk are usually of 16x speed, where as burners > are 24x. [do not ask. i wonder why myself.] > > current prices for good dvd burners are around $20 for internal and > external usb. just decide what your time and peace of mind are worth. > > when buying a new burner, remember you want dvd-r to match dvd-r blanks. > > > -- > > If Bill Gates got a dime for every time Windows crashes... > ...oh, wait. He does. THAT explains it! > -+- > in a world with out fences, who needs gates. > > CentOS GNU/Linux 6.6 > > tc,hago. > > g > . > > -- > users mailing list > users@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe or change subscription options: > https://admin.fedoraproject.org/mailman/listinfo/users > Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct > Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines > Have a question? Ask away: http://ask.fedoraproject.org > -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org