[Xen-users] UEFI Booting

[Carlos Gustavo Ramirez Rodriguez <carlosgrr@xxxxxxxxx>]

Continuing my Installation procedure from last "curses library e-mail" that Ian Campbell, so kindly answered, I've got two separate points that I got stuck into:

First Problem:

After compiling xen-4.5.1-pre.efi and creating the xen-4.5.1-pre.cfg:
"

[global]

default=xen

[xen]

options=console=vga loglvl=all noreboot

kernel=vmlinuz-3.19.0-9-generic ignore_loglevel

ramdisk=initrd.img-3.19.0-9-generic
"

I have also installed the xen entry with:
"

efibootmgr -c -d /dev/sdf -p 1 -L "Xen" -l "xen-4.5.1-pre.efi"
"

And tried to boot straight from mobo UEFI menu, but, that didn't work, the Screen Blinks with a cursor and goes to the next EFI entry, in this case the Ubuntu option.

After looking around the internet I've found the rEFInd package with it's PPA, which after installation shows the xen-4.5.1-pre.efi and for this first problem for now, it is an acceptable workaround. Anyway to FIX THIS???

Second Problem: After booting with the xen-4.5.1-pre.efi from REFIND Menu entry, the screen goes on loading drivers and everything goes right until these lines from dmesg (without timestamp, and skipping some entries:
"

ata10.00: failed to IDENTIFY (I/O error, err_mask=0x4)

...
ata10: Link is slow to respond, please be patient (ready=0)

ata10: COMRESET failed (errno=-16)

...
ata10: limiting SATA link speed to 3.0 Gbps

ata10: COMRESET failed (errno=-16)

ata10: reset failed, giving up

done.

Begin: Running /scripts/local-premount ... done

mount: can't read 'etc/fstab': No such file or directory

...

Begin: Running /scripts/init-bottom ... mount: mount /dev on /root/dev failed: No such file or directory

done.

mount: mounting /sys on /root/sys failed: No such file or directory

mount: mounting /proc on /root/proc failed: No such file or directory

Target filesystem doesn't have requested /sbin/init.

No init found. Try passing init= bootarg.
"

After this point a am dropped in a initramfs shell.

From this perspective, I've started from Google and read that it could be possibly a controller-hd related problem, but that doesn't make any sense since I can boot from UBUNTU normally even after rEFInd, so the only conclusion is that there is a problem while loading the SSD, which have already been loaded from using rEFInd, from inside the Xen Hypervisor or some other bug that I can't think somehow related to loading my SSD on /dev/sdf, and after that nothing else can be mounted correctly.

IF SOMEONE CAN HELP ME TO FIX THESE OR EVEN DEBUG IT, I WOULD BE VERY GRATEFUL,

Thankfull,

Gustavo

--

AbraÃos

Gustavo

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