Public bug reported:
When grub tries to boot the 3.2.0-40-generic kernel, I get only a black
screen (the screen seems powered off).
This is not happening with the previous kernel version
(3.2.0-39-generic).
An important note: my disk is fully encrypted (actually the setup is LVM
+ encryption). So when the boot works fine, after the grub selection
screen I am asked to insert the passphrase for decrypting the whole file
system.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-40-generic 3.2.0-40.64
ProcVersionSignature: Ubuntu 3.2.0-39.62-generic 3.2.39
Uname: Linux 3.2.0-39-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: dchan 2217 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xf3920000 irq 46'
Mixer name : 'Conexant CX20590'
Components : 'HDA:14f1506e,17aa21cf,00100003'
Controls : 20
Simple ctrls : 10
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw
unknown'
Mixer name : 'ThinkPad EC (unknown)'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Tue Apr 9 10:11:58 2013
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=a1490ee2-04c1-46ad-a680-7687c59ec978
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
MachineType: LENOVO 4242N92
MarkForUpload: True
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB:
0 inteldrmfb
1 nouveaufb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-39-generic
root=/dev/mapper/username-root ro quiet splash
RelatedPackageVersions:
linux-restricted-modules-3.2.0-39-generic N/A
linux-backports-modules-3.2.0-39-generic N/A
linux-firmware 1.79.1
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/06/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 8AET56WW (1.36 )
dmi.board.asset.tag: Not Available
dmi.board.name: 4242N92
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr8AET56WW(1.36):bd12/06/2011:svnLENOVO:pn4242N92:pvrThinkPadT520:rvnLENOVO:rn4242N92:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 4242N92
dmi.product.version: ThinkPad T520
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise running-unity staging
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https://bugs.launchpad.net/bugs/1166812
Title:
black screen 3.2.0-40-generic kernel
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