Live USB MacBookPro8,2

[tabenius]

Qubes OS version (e.g., R3.1):

R3.1

Affected TemplateVMs (e.g., fedora-23, if applicable):

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Expected behavior:

boot live qubes

Actual behavior:

on this MacBookPro8,2 which has refind I can choose to boot xen.efi or the vmlinuz.
if I boot using xen.efi the graphics will be distorted beyond comprehension, possibly incorrect screen width / offset, maybe I see an extremely flat skewed penguin
if I boot using the vmlinuz option I get the errors
dracut: Scanning for all btrfs devices
dracut Warning: /dev/root does not exist
I re-ran with the rd.debug option, dropped into a shell and saved the rdsosreport.txt

Steps to reproduce the behavior:

use a MacBookPro8,2 from ca 2011
put qubes on USB-stick using
dd if=Downloads/Qubes-R3.1-x86_64/Qubes-R3.1-x86_64.iso of=/dev/disk2 bs=50m
reboot
in the previously installed refind choose xen.efi or the penguin

General notes:

rdsosreport-2.txt

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Related issues:

[andrewdavidwong]

This question is too localized for qubes-issues. Please consider posting this to the qubes-users mailing list instead. (You can read more about our mailing lists here.)

qubes-users is intended for these sorts of questions and receives much more traffic, which means that your question is more likely to receive a response there.

[andrewdavidwong]

This question is too localized for qubes-issues. Please consider posting this to the qubes-users mailing list instead. (You can read more about our mailing lists here.)

qubes-users is intended for these sorts of questions and receives much more traffic, which means that your question is more likely to receive a response there.

[murpyslaw]

@andrewdavidwong @tabenius I'm having the same issue. I don't think it's that localized. EFI boot not working.
Posted on reddit, will try stackoverflow: https://www.reddit.com/r/Qubes/comments/6lht1q/macbook82queboscanithappen/

[murpyslaw]

@andrewdavidwong @tabenius I'm having the same issue. I don't think it's that localized. EFI boot not working.
Posted on reddit, will try stackoverflow: https://www.reddit.com/r/Qubes/comments/6lht1q/macbook82queboscanithappen/

[andrewdavidwong]

@murpyslaw: General EFI boot is not too localized (see UEFI Troubleshooting), but an issue specific to "MacBookPro8,2" is.

[andrewdavidwong]

@murpyslaw: General EFI boot is not too localized (see UEFI Troubleshooting), but an issue specific to "MacBookPro8,2" is.