[Bug 879634] Re: UEFI boot broken on asus k53sc
Fabio Marconi
fabiomarconi at ubuntu.com
Wed Mar 14 14:13:38 UTC 2012
*** This bug is a duplicate of bug 879858 ***
https://bugs.launchpad.net/bugs/879858
** This bug has been marked a duplicate of bug 879858
Kernel panic after grub-install on UEFI Asus 1215B
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https://bugs.launchpad.net/bugs/879634
Title:
UEFI boot broken on asus k53sc
Status in “grub2” package in Ubuntu:
New
Bug description:
After setting up an USB installer for ubuntu 11.10, I can boot it in both BIOS emulation and UEFI mode.
In BIOS mode, syslinux starts and I can install/run ubuntu. In UEFI mode grub loads correctly but after selecting a boot option, the laptop hangs.
After installing on hdd, the same thing happens. grub can launch the kernel only in BIOS mode.
I tried using the 3.1.0 kernel from precise, but still no luck. I also tried using "acpi=force", "noexec=off" and "nomodeset xdriver=vesa". The only way to boot from UEFI is using "noefi" option, but that breaks almost everything (keyboard sends wrong keycodes).
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