On Mon, Nov 2, 2015 at 11:35 PM, Дмитрий Чепуровский <[email protected]> wrote: > Ok, thank you for answer. > I've got two other questions now about grub: > 1. I tried to do like in the syslinux tutorial for memdisk in grub2. I > wrote in grub console > linux16 /memdisk iso > initrd16 /iso/memtest86+-5.01.iso > > But nothing happend. It doesn't write any error, it simply break line > and show inviting input into the console. > > What i made wrong? How can I make it to working. >
You need to execute "boot" command after that. GRUB does it implicitly for menu entries; in CLI you need to do it yourself. > 2. Have Grub2 got the same functional? > Since yesterday? No :) > 2015-11-02 16:09 GMT+03:00 Andrei Borzenkov <[email protected]>: >> On Mon, Nov 2, 2015 at 3:35 PM, Дмитрий Чепуровский <[email protected]> >> wrote: >>> Ok, I read that it could be done by using syslinux memdisk with grub. >>> >>> In this case, I found I need to call linux16 memdisk and initrd16 to launch >>> iso. >>> >>> 1. Does it works? >> >> Why you ask us and not syslinux folks? It's their software after all - >> GRUB is just a messenger here :) >> >> http://www.syslinux.org/wiki/index.php/MEMDISK#GRUB2 >> >>> 2. Where could I found syslinux memdisk? >>> >> >> The same site (surprise) also has Download link ... >> >>> 2015-11-02 15:25 GMT+03:00 Andrei Borzenkov <[email protected]>: >>>> On Mon, Nov 2, 2015 at 3:05 PM, Дмитрий Чепуровский <[email protected]> >>>> wrote: >>>>> I'm making usb multiusb pendrive. >>>>> >>>>> 1. I want to understand what is memdisk.mod, how could I use it. >>>> >>>> I already answered this. >>>> >>>>> 2. I want to boot iso (bootloader thart in iso file) from grub2 >>>>> >>>> >>>> GRUB does not support parsing El Torito boot catalog and accessing >>>> boot image ... at least to my knowledge. So sorry, this is probably >>>> not possible right now. >>>> >>>> Besides the problem is not as much reading CD boot block as emulating >>>> "real" CD for the code that would be launched. I do not say it is not >>>> possible, but so far nobody implemented this in GRUB. >>>> >>>>> 2015-11-02 14:44 GMT+03:00 Andrei Borzenkov <[email protected]>: >>>>>> On Mon, Nov 2, 2015 at 2:25 PM, Дмитрий Чепуровский <[email protected]> >>>>>> wrote: >>>>>>> I'm trying to boot iso file. I want to boot ubuntu 15.10 iso & Windows >>>>>>> 10 Install iso. I found in google, that it could be made in grub2 >>>>>>> using memdisk. >>>>>>> >>>>>> >>>>>> You are confused. memdisk in grub2 is not used to boot anything. It is >>>>>> still not clear what you are trying to do: >>>>>> >>>>>> - you try to pretend that system was booted from CD or DVD with >>>>>> content of this image >>>>>> >>>>>> - or - >>>>>> >>>>>> - you try to boot using some file inside this image >>>>>> >>>>>>> For test I'm trying to boot with memtest ubuntu-15.10-desktop-amd64.iso. >>>>>>> >>>>>>> cfg test menuentery: >>>>>>> menuentry "Test1" { >>>>>>> insmod memdisk >>>>>>> initrd /iso/ubuntu-15.10-desktop-amd64.iso >>>>>>> } >>>>>>> >>>>>>> When I tied to run this I got alloc magic is broken at 0xc7ed5060: >>>>>>> c7e5c980 >>>>>>> >>>>>> >>>>>> This makes me believe you want to pretend you are booted from DVD ... >>>>>> >>>>>>> What I'm doing wrong. How can I do this? >>>>>>> >>>>>> >>>>>> It is still not quite clear what you want to do; could you explain in >>>>>> more words? _______________________________________________ Help-grub mailing list [email protected] https://lists.gnu.org/mailman/listinfo/help-grub
