Public bug reported: I'm not able to boot with any recent saucy kernel without patch applied:
--- drivers/firmware/efi/efivars.c.orig 2013-07-12 14:17:23.984697546 +0400 +++ drivers/firmware/efi/efivars.c 2013-07-12 14:18:16.192698944 +0400 @@ -583,6 +583,9 @@ int efivars_sysfs_init(void) struct kobject *parent_kobj = efivars_kobject(); int error = 0; + if (!efi_enabled(EFI_RUNTIME_SERVICES)) + return -ENODEV; + /* No efivars has been registered yet */ if (!parent_kobj) return 0; ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: linux-image-3.10.0-2-generic 3.10.0-2.10 ProcVersionSignature: Ubuntu 3.10.0-2.10-generic 3.10.0 Uname: Linux 3.10.0-2-generic i686 NonfreeKernelModules: wl ApportVersion: 2.10.2-0ubuntu4 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: ihanick 26732 F.... pulseaudio /dev/snd/pcmC0D0c: ihanick 26732 F...m pulseaudio /dev/snd/pcmC0D0p: ihanick 26732 F...m pulseaudio /dev/snd/timer: ihanick 26732 f.... pulseaudio CurrentDmesg: [ 38.467672] ip6_tables: (C) 2000-2006 Netfilter Core Team Date: Fri Jul 12 13:44:25 2013 HibernationDevice: RESUME=UUID=c6ee8164-6427-4804-a2cc-0deb8c289254 MachineType: Apple Inc. MacBookPro8,1 MarkForUpload: True ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.10.0-2-generic root=UUID=c5cbe32b-b343-4ed4-a961-2dd4dee6e6f6 ro quiet splash i915.i915_enable_rc6=15 i915.i915_enable_fbc=1 i915.lvds_downclock=1 pcie_aspm=force acpi_pme=native drm.vblankoffdelay=1 vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.10.0-2-generic N/A linux-backports-modules-3.10.0-2-generic N/A linux-firmware 1.111 SourcePackage: linux UpgradeStatus: Upgraded to saucy on 2013-07-09 (2 days ago) dmi.bios.date: 01/24/12 dmi.bios.vendor: Apple Inc. dmi.bios.version: MBP81.88Z.0047.B27.1201241646 dmi.board.asset.tag: Base Board Asset Tag# dmi.board.name: Mac-94245B3640C91C81 dmi.board.vendor: Apple Inc. dmi.board.version: MacBookPro8,1 dmi.chassis.type: 10 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-94245B3640C91C81 dmi.modalias: dmi:bvnAppleInc.:bvrMBP81.88Z.0047.B27.1201241646:bd01/24/12:svnAppleInc.:pnMacBookPro8,1:pvr1.0:rvnAppleInc.:rnMac-94245B3640C91C81:rvrMacBookPro8,1:cvnAppleInc.:ct10:cvrMac-94245B3640C91C81: dmi.product.name: MacBookPro8,1 dmi.product.version: 1.0 dmi.sys.vendor: Apple Inc. ** Affects: linux (Ubuntu) Importance: Undecided Status: Confirmed ** Tags: apport-bug i386 saucy third-party-packages -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1200570 Title: Kernel panic on boot inside efivars_sysfs_init on MacBookPro8,1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1200570/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs