UEFI boot hangs at purple screen if NIC activated
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
grub2 (Ubuntu) |
Invalid
|
Undecided
|
Unassigned |
Bug Description
I'm trying to boot Ubuntu 12.10 64 bits on UEFI mode on a Dell Inspiron 14z ultrabook with an integrated Atheros AR8162 ethernet card (NIC).
If the AR8162 card is enabled in BIOS, Ubuntu won't load, as it will hang in a blank purple screen or, in recovery mode, at "loading initial ramdisk". If the AR8162 card is disabled, it will boot just fine.
What is strange is that I'm able to boot the same Ubuntu installation in legacy mode with the AR8162 enabled in BIOS and this card is working just fine with the alx module available in compat-wireless package (see: http://
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: grub-efi 2.00-7ubuntu11
ProcVersionSign
Uname: Linux 3.5.0-21-generic x86_64
ApportVersion: 2.6.1-0ubuntu9
Architecture: amd64
Date: Mon Dec 24 10:00:44 2012
InstallationDate: Installed on 2012-12-14 (10 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MarkForUpload: True
SourcePackage: grub2
UpgradeStatus: No upgrade log present (probably fresh install)
Here are further results:
-Using rEFInd to boot directly the linux kernel doesn't work either, so it's probably not a grub bug.
-With Fedora 18 beta 64 bits, I get the same results, i.e. freeze if NIC is activated.