Red Hat Bugzilla – Bug 501345
grub-efi hang after selecting kernel
Last modified: 2011-06-27 10:12:16 EDT
On my system (macbook pro 2,2) i tried to install fedora-10-live to my harddrive.
After reboot grub menu shown correctly. Also i can see counting timeout 5, but after it done grub got hunged.
I tried to set boot params, like: kernel/root or kernel params - noting help.
Last grub2 from gnu.org works fine.
Created attachment 344475 [details]
Created attachment 344476 [details]
Created attachment 344477 [details]
Created attachment 344478 [details]
my own grub2 build (svn lastupdates, nopaches)
gnu.org grub works fine
it isnt grub bug, look like its kernel bug.
without nomodeset kernel flag grub goes to show green fading to white screen. with nomodeset i see previous (grub) screen.
f12 kernel/grub the same issues. exept no more green screen death, check bug 501349
back to this bug.
i tried same steps for f13 and got the same results.
1. livecd-iso-to-disk /F13-Alpha-i686-Live.iso /dev/sdb1
2. copy F13-Alpha-i686-Live.iso/EFI folder to /dev/sdb1
4. grub shows
5. select kernel and boots continue
6. you can hear speakers tick, but grub screen shows
7. you can see loading finished and seems like you see login screen
8. still grub's splash screen.
i think kernel-ati driver unable to reset efi screen. or switch some internal buffers to it self.
i can boot my macbook pro with grub2.
for KMS mode i got corrupted screen.
for UMS mode i unable to start Xserver. its crash with V_BIOS error.
summary macbook efi fails:
- all modes unable to switch back from grub screen
- KMS mode currpted screen
- UMS mode X-crash V_BIOS
Created attachment 399422 [details]
Created attachment 399423 [details]
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