On Fri, Sep 21, 2012 at 11:30:18AM +0100, Bertil wrote: > Just to maker sure that this bug is not related to any common issues with old > CD-ROM drives. > K3b was the burning application (for maximum speed) in my previous install > trials. > > > 1. Lower Disc write speed: > =================== > > I burned two more discs with the i) previous used Samsung Writemaster and ii) > the Packard Bell NEC built-in CD/RW. Now I used 'wodim' with a comand line > like so: > wodim -dao -speed=4 -eject dev=/dev/sr0 > i386/iso-cd/debian-wheezy-DI-b2-i386-netinst.iso > With i) the wodim reported the write speed to be 2838 KB/s and with the > internal Packard Bell NEC CD/RW ii) 706 KB/s. > No wheezy beta-2 boot with these two discs either. Same 'Boot Record' ... > 'Not Found' message. > > > 2. DMA settings > ============ > During boot (with the installed wheezy beta-1) the boot up screen say: > Hard Disk(s) Cyl Head Sector Size LBA 32Bit Block > PIO UDMA > > Primary Master: 13410 15 63 6489MB LBA Off 16Sec > 4 2 > Secondary Slave > CDROM > 4 N/A > > Thus I assume that DMA does not to come into play as an issue for the CD-ROM.
I would not imagine DMA matters much for reading a CD. Does the disc boot on other machines? As in: Boots|Packard Bell|Something else -----+------------+-------------- Beta1|Yes |Yes Beta2|No |??? Maybe Beta2 did some change that hit a bug in the CD boot code on the old machine. -- Len Sorensen -- To UNSUBSCRIBE, email to debian-boot-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20120921180949.gj23...@csclub.uwaterloo.ca
