Bug 731529

Proposing as a beta blocker under the criterion "The installer must boot and run on systems using EFI other than Apple Macs ". This is a showstopper for quite a lot of EFI systems.

Discussed in the 2011-08-26 blocker review meeting. Accepted as a Fedora 16 beta blocker as it violates the following beta release criterion [1]:

The installer must boot and run on systems using EFI other than Apple Macs

[1] https://fedoraproject.org/wiki/Fedora_16_Beta_Release_Criteria

grub-0.97-77.fc16 has been submitted as an update for Fedora 16.
https://admin.fedoraproject.org/updates/grub-0.97-77.fc16

Package grub-0.97-77.fc16:
* should fix your issue,
* was pushed to the Fedora 16 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing grub-0.97-77.fc16'
as soon as you are able to.
Please go to the following url:
https://admin.fedoraproject.org/updates/grub-0.97-77.fc16
then log in and leave karma (feedback).

For me this has taken a turn for the worse.

Test with PreBeta TC2 DVD.

On regular PC, boots ok. When selecting an item from the grub menu it takes a long time to see something actually happening. It would appear the system hangs but after a long wait.

macmini 2011: legacy boot: works ok
macmini 2011: efi boot, no go, just hangs. Does not get to grub menu.
macbookair late 2010: legacy boot: works ok
macbookair late 2010: efi boot: long wait, double penguin logo (quiet removed from cmdline) ends up with garbled screen. Not usable

(In reply to comment #5)
Can you tell the exact Mac versions? Such as "Macmini2,1", an identifier which can be found in dmesg or smolt or OS/X system info.

Exactly which image are you using? A 64-bit Fedora image? Which kernel and grub version?

> macmini 2011: legacy boot: works ok

> macmini 2011: efi boot, no go, just hangs. Does not get to grub menu.

FWIW a manually installed grub2-efi works for me on Macmini5,1

Did it work in previous Fedora versions? Can you try do downgrade grub and see if that helps?

> macbookair late 2010: legacy boot: works ok
> macbookair late 2010: efi boot: long wait, double penguin logo (quiet removed
> from cmdline) ends up with garbled screen. Not usable

Did it work in previous Fedora versions?

That does not look like a boot loader issue, so you should file a new kernel bug ... unless it already has been filed - it do look like Bug 650949. dmesg and smolt info from the legacy boot may be relevant.

F16 EFI boot from x86_64 DVD prior to F16 Beta TC2 worked just fine. The upgraded grub seems to cause problems. I have a working F16 installation on my MacMini5,1 with a manual installed grub2-efi (BZ #730124).

My above results (comment #5) are, as mentioned, with the Fedora 16 Beta Test Compose 2 (TC2) x86_64 DVD.

wrt mba (MacBookAir3,1) garbled screen with EFI boot, that is indeed probably BZ #650949. Currently runs F15 x86_64 using legacy boot, graphics work just fine with nouveau. But that is another topic.

To recap my problems are with the current F16 Beta TC2 x86_64 DVD which uses the updated grub (grub-0.97-77.fc16).

Another test with F16 Beta TC2 x86_64 DVD this time on a 2011 imac (iMac12,2).
Selecting EFI boot get me to the grub menu and anaconda starts to a black screen. Booting with nomodeset fails to start X but that's outside of grub.

So 3 types of macs, the newest (2011 macmini) now fails with EFI boot using the lastest grub legacy build. I will retest with the Beta TC1 DVD.

I see almost the same with iMac11,2 and iMac11,3 with grub2-efi. The incorrect nomodeset X autodetection is bug 726159 - and WONTFIX. It is usable for me with nomodeset and xdriver=fbset . The KMS failure is bug 726143. I don't know how similar iMac12,2 is and if it has different issues.

Retested with the F16 Beta TC1 x86_64 DVD which includes grub 0.97-75. I can conform that with this grub EFI boot still works on MacMini5,1 and grub 0.97-77 does not.

pjones: have you had a look at the regressions here? they're not beta critical as we don't require Mac EFI to work, but obviously it would be best to fix them. should they be filed as a new report?

Fixing Mac EFI would be really appreciated. 
Installing F16 in legacy mode on Macs with Lion is no longer an option. Lion already uses 3 partitions out of the 4 possible old style MBR ones. Fedora wants to create 3 additional ones which does not work with the MBR scheme. GPT is a must.

If what you're seeing is screen corruption, that is almost certainly not this bug, but rather the other changes to support some mac graphics better.  This is testable with -76, but should be addressed in a separate bug.

pjones: I guess you replied to comment #9. For me the problem is not being able to do a EFI boot on the MacMini5,1. This worked with grub-0.97-75.

jurgen: can you please file a new bug for your issue and link it here? thanks.

OK, I've created BZ #738969 for the problem with EFI boot on MacMini5,1.

setting VERIFIED, pjones affirms the initial bug is fixed.

grub-0.97-78.fc16 has been submitted as an update for Fedora 16.
https://admin.fedoraproject.org/updates/grub-0.97-78.fc16

Package grub-0.97-78.fc16:
* should fix your issue,
* was pushed to the Fedora 16 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing grub-0.97-78.fc16'
as soon as you are able to.
Please go to the following url:
https://admin.fedoraproject.org/updates/grub-0.97-78.fc16
then log in and leave karma (feedback).

grub-0.97-79.fc16 has been submitted as an update for Fedora 16.
https://admin.fedoraproject.org/updates/grub-0.97-79.fc16

All of the EFI tests are pretty much working. Other issues would have likely surfaced by now; moving to VERIFIED.

grub-0.97-79.fc16 has been pushed to the Fedora 16 stable repository.  If problems still persist, please make note of it in this bug report.