[Bug 1299825] [NEW] 14.04 LTS Beta 2 Upgrade -> failed to update kernel, broke video drivers

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I was able to fix it by manually updating to kernel 3.13.0-20-generic.

linux-headers-3.13.0-20  & linux-headers-3.13.0-20-generic was required
to resolve the issue.

What I expected to happen? Updating Ubuntu 14.04 LTS would not break my
video drivers, preventing me from accessing my system without entering
into recovery mode.

What actually happened? Updated to Ubuntu 14.04 LTS, video drivers broke
in an irrecoverable manner causing a black screen upon completion of
booting, updated kernel and re-built the nvidia drivers.

-> % lsb_release -rd
Description:	Ubuntu Trusty Tahr (development branch)
Release:	14.04

-> # lspci -nnk | grep -i vga -A3 | grep 'in use'
	Kernel driver in use: pcieport
	Kernel driver in use: xhci_hcd
	Kernel driver in use: mei_me
	Kernel driver in use: ehci-pci
	Kernel driver in use: snd_hda_intel
	Kernel driver in use: pcieport
	Kernel driver in use: ehci-pci
	Kernel driver in use: lpc_ich
	Kernel driver in use: ahci
	Kernel driver in use: nvidia
	Kernel driver in use: snd_hda_intel
	Kernel driver in use: sky2
	Kernel driver in use: sky2

-> # modinfo nvidia
filename:       /lib/modules/3.13.0-20-generic/updates/dkms/nvidia.ko
alias:          char-major-195-*
version:        331.49
supported:      external
license:        NVIDIA
alias:          pci:v000010DEd00000E00sv*sd*bc04sc80i00*
alias:          pci:v000010DEd00000AA3sv*sd*bc0Bsc40i00*
alias:          pci:v000010DEd*sv*sd*bc03sc02i00*
alias:          pci:v000010DEd*sv*sd*bc03sc00i00*
depends:        drm
vermagic:       3.13.0-20-generic SMP mod_unload modversions 
parm:           NVreg_Mobile:int
parm:           NVreg_ResmanDebugLevel:int
parm:           NVreg_RmLogonRC:int
parm:           NVreg_ModifyDeviceFiles:int
parm:           NVreg_DeviceFileUID:int
parm:           NVreg_DeviceFileGID:int
parm:           NVreg_DeviceFileMode:int
parm:           NVreg_RemapLimit:int
parm:           NVreg_UpdateMemoryTypes:int
parm:           NVreg_InitializeSystemMemoryAllocations:int
parm:           NVreg_RMEdgeIntrCheck:int
parm:           NVreg_UsePageAttributeTable:int
parm:           NVreg_MapRegistersEarly:int
parm:           NVreg_RegisterForACPIEvents:int
parm:           NVreg_CheckPCIConfigSpace:int
parm:           NVreg_EnablePCIeGen3:int
parm:           NVreg_EnableMSI:int
parm:           NVreg_MemoryPoolSize:int
parm:           NVreg_RegistryDwords:charp
parm:           NVreg_RmMsg:charp
parm:           NVreg_AssignGpus:charp

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: bot-comment
-- 
14.04 LTS Beta 2 Upgrade -> failed to update kernel, broke video drivers
https://bugs.launchpad.net/bugs/1299825
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