Date: Fri, 23 Mar 2012 21:27:47 +1000 From: Da Rock <freebsd-hackers@herveybayaustralia.com.au> To: freebsd-hackers@freebsd.org Subject: Re: iso2flash img Message-ID: <4F6C5E33.7000506@herveybayaustralia.com.au> In-Reply-To: <100303152110179@192.168.2.69> References: <4F6BC6AB.30709@herveybayaustralia.com.au> <100303152110179@192.168.2.69>
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On 03/23/12 17:06, Thomas Schmitt wrote: > Hi, > > Da Rock<freebsd-hackers@herveybayaustralia.com.au> wrote: >> It shows isolinux 4.04, blah blah, and a blinking cursor. It goes no further >> than that, which I why I commented that it seemed an unlikely solution. > If it can say "isolinux" then the boot process has succeeded as far > as the boot sectors of the ISO image are responsible. > > >> The system is an Acer AspireOne Netbook D255. I'm using an i386 image >> because its only an Atom. > Can you try whether the Ubuntu image boots from CD or DVD ? Thats the whole point of this exercise - I can't, no cdrom: its a netbook. >> I did test a amd64 system and it worked though... hmmm. I wonder if they >> mixed up their images? That'd be a funny cock-up :D > At that stage you are still in the SYSLINUX/ISOLINUX system. Afaik, there > is no 64 bit version of it. So that one can hardly be totally unsuitable > for 32 bit systems. > > I am not familiar with the entrails of the boot loaders. Maybe you can get > help at the SYSLINUX mailing list syslinux@zytor.com. > http://www.zytor.com/mailman/listinfo/syslinux > > Google "ubuntu atom isolinux" finds an older issue: > https://bugs.launchpad.net/ubuntu/+bug/774552 > points to > https://bugs.launchpad.net/ubuntu/+source/syslinux/+bug/617779 > "Just type "help" on the BOOT prompt, and when you get the help menu, > just hit enter. The system will now boot!" > > Does ISOLINUX allow you to enter commands ? Nope. Can't even type 'hello world!'. > > ------------------------------------ > > One thing comes to my mind which you could try. It is quite unlikely > to be the culprit though: > > By a bug in xorriso-1.0.8 the image size is not aligned to a full > megabyte, as is prescribed for isohybrid. > So you could try to set the end of the USB stick DOS partition 1 to > the next higher multiple of 2048 disk blocks minus 1. > (Make sure that no block content gets changed after byte 64 * 512.) > > If this happens to work, then we should inform Ubuntu to upgrade > their xorriso to 1.1.0 or later. > (Up to now i only know that the correct size silences warnings of > Linux fdisk about "different physical/logical beginnings".) Dunno. Tried all kinds of tricks, but no go. The client chose FreeBSD anyway, so yay! :) Ubuntu issue not my problem; I'm sure they'll work it out if it comes up again. My disk worked in VBox, so I'm sure it is just a netbook thing. I also use that disk as my "install" disk, so I'm not sure exactly what partitions been on it now, it has been used for FreeBSD, PC-BSD, Linux distros, etc. > Have a nice day :) > > Thomas > Thanks Thomas.
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