You have been subscribed to a public bug:
After I resume from a suspend, the display does not turn back on.
However, I hear sounds as if just booted on to the login screen. But
with all combinations of Keys, Ctrl-Alt-Delete, Space, lid-turn-on/off,
backspace, brightness increase/decrease nothing helps to turn the
display back on. The issue had been same with Lubuntu 13.04 and 13.10 as
well.
WORKAROUND: Hibernate via:
echo disk > /sys/power/state
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.8.0-34-generic 3.8.0-34.49~precise1
ProcVersionSignature: Ubuntu 3.8.0-34.49~precise1-generic 3.8.13.12
Uname: Linux 3.8.0-34-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.8.0-34-generic.
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 1: Generic [HD-Audio Generic], device 0: ALC269VC Analog [ALC269VC Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: lenin 2032 F.... pulseaudio
/dev/snd/controlC0: lenin 2032 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'HDMI'/'HDA ATI HDMI at 0xfeb44000 irq 45'
Mixer name : 'ATI R6xx HDMI'
Components : 'HDA:1002aa01,00aa0100,00100300'
Controls : 7
Simple ctrls : 1
Card0.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Card1.Amixer.info:
Card hw:1 'Generic'/'HD-Audio Generic at 0xfeb40000 irq 16'
Mixer name : 'Realtek ALC269VC'
Components : 'HDA:10ec0269,144dc660,00100202'
Controls : 24
Simple ctrls : 11
Date: Sat Dec 21 02:08:27 2013
HibernationDevice: RESUME=UUID=ef7489e8-de5f-4605-9ed9-049640374ae4
InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64
(20130820.1)
MachineType: SAMSUNG ELECTRONICS CO., LTD. 535U3C
MarkForUpload: True
ProcEnviron:
LC_CTYPE=en_US.UTF-8
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/zsh
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-34-generic
root=UUID=da65b9b9-e593-45f1-b4bd-882743336ccc ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.8.0-34-generic N/A
linux-backports-modules-3.8.0-34-generic N/A
linux-firmware 1.79.9
SourcePackage: linux-lts-raring
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/03/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P07RAG.N53.130403.LEO
dmi.board.asset.tag: No Asset Tag
dmi.board.name: NP535U3X-A01BD
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: SEC_SW_REVISION_1234567890ABCD
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP07RAG.N53.130403.LEO:bd04/03/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn535U3C:pvrP07RAG:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP535U3X-A01BD:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
dmi.product.name: 535U3C
dmi.product.version: P07RAG
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
** Affects: linux (Ubuntu)
Importance: Low
Status: Incomplete
** Tags: amd64 apport-bug qa-kernel-lts-testing raring running-unity saucy
--
[Samsung NP535U3X-A01BD ] Display remains off after resume from suspend
https://bugs.launchpad.net/bugs/1263223
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