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[Bug 1390780] Re: [Samsung NP-N220-JA01FR] Intermittently does not resume from suspend

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** Description changed:

- Sometimes (randomly, but more often after a long while of being suspended), my laptop cannot wake up from the suspended to ram state. It is a samsung n220 netbook, with ubuntu 12.04 precise and 3.2 kernel. When the system hangs on wake, and I try to hit the caps lock key, the led does not light up, meaning (I think) that it's not a problem of video card, but a real kernel hang.
- It's hard to know when the problem appear. It happens 1 over 5 times when I make my suspend my system to ram.
- Following various hints on the launchpad pages, I tried to put the intel_idle.max_state=0 or 3 to the kernel parameter. It seems to work but then the battery runs out of energy more quickly (and the battery discharge rate shown by ubuntu is increased by almost 1W at least).
- How could I track what causes my system to not wake up properly ?
- Thank you.
- --- 
+ Sometimes (randomly, but more often after a long while of being
+ suspended), my laptop cannot wake up from the suspended to ram state. It
+ is a samsung n220 netbook, with ubuntu 12.04 precise and 3.2 kernel.
+ When the system hangs on wake, and I try to hit the caps lock key, the
+ led does not light up, meaning (I think) that it's not a problem of
+ video card, but a real kernel hang. It happens 1 over 5 times when I
+ make my suspend my system to ram.
+ 
+ WORKAROUND: intel_idle.max_state=0 or 3 kernel parameter, but the
+ battery discharge rate shown by ubuntu is increased by at least ~1W.
+ 
+ ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  AplayDevices:
-  **** List of PLAYBACK Hardware Devices ****
-  card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
-    Subdevices: 1/1
-    Subdevice #0: subdevice #0
+  **** List of PLAYBACK Hardware Devices ****
+  card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
+    Subdevices: 1/1
+    Subdevice #0: subdevice #0
  ApportVersion: 2.0.1-0ubuntu17.8
  Architecture: i386
  ArecordDevices:
-  **** List of CAPTURE Hardware Devices ****
-  card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
-    Subdevices: 1/1
-    Subdevice #0: subdevice #0
+  **** List of CAPTURE Hardware Devices ****
+  card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
+    Subdevices: 1/1
+    Subdevice #0: subdevice #0
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  christophe   1954 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  christophe   1954 F.... pulseaudio
  Card0.Amixer.info:
-  Card hw:0 'Intel'/'HDA Intel at 0xf0400000 irq 47'
-    Mixer name	: 'Realtek ALC269'
-    Components	: 'HDA:10ec0269,144dc072,00100004'
-    Controls      : 19
-    Simple ctrls  : 11
+  Card hw:0 'Intel'/'HDA Intel at 0xf0400000 irq 47'
+    Mixer name	: 'Realtek ALC269'
+    Components	: 'HDA:10ec0269,144dc072,00100004'
+    Controls      : 19
+    Simple ctrls  : 11
  DistroRelease: Ubuntu 12.04
  HibernationDevice: RESUME=UUID=1bf0120b-c9c0-461a-9982-68ce94ca69c9
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. N150/N210/N220
  MarkForUpload: True
  Package: linux (not installed)
  ProcEnviron:
-  TERM=xterm
-  PATH=(custom, no user)
-  LANG=fr_FR.UTF-8
-  SHELL=/bin/bash
+  TERM=xterm
+  PATH=(custom, no user)
+  LANG=fr_FR.UTF-8
+  SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-70-generic-pae root=UUID=b7748ce8-63e7-49bd-9475-d9e840605fcf ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.2.0-70.105-generic-pae 3.2.63
  RelatedPackageVersions:
-  linux-restricted-modules-3.2.0-70-generic-pae N/A
-  linux-backports-modules-3.2.0-70-generic-pae  N/A
-  linux-firmware                                1.79.18
+  linux-restricted-modules-3.2.0-70-generic-pae N/A
+  linux-backports-modules-3.2.0-70-generic-pae  N/A
+  linux-firmware                                1.79.18
  Tags:  precise running-unity
  Uname: Linux 3.2.0-70-generic-pae i686
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip fuse lpadmin plugdev sambashare sudo
  dmi.bios.date: 01/29/2010
  dmi.bios.vendor: Phoenix Technologies Ltd.
  dmi.bios.version: 06JI.M053.20100129.JIP
  dmi.board.asset.tag: SAMSUNG
  dmi.board.name: N150/N210/N220
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: Not Applicable
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvr06JI.M053.20100129.JIP:bd01/29/2010:svnSAMSUNGELECTRONICSCO.,LTD.:pnN150/N210/N220:pvrNotApplicable:rvnSAMSUNGELECTRONICSCO.,LTD.:rnN150/N210/N220:rvrNotApplicable:cvnSAMSUNGELECTRONICSCO.,LTD.:ct10:cvrN/A:
  dmi.product.name: N150/N210/N220
  dmi.product.version: Not Applicable
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

-- 
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https://bugs.launchpad.net/bugs/1390780

Title:
  [Samsung NP-N220-JA01FR] Intermittently does not resume from suspend

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Sometimes (randomly, but more often after a long while of being
  suspended), my laptop cannot wake up from the suspended to ram state.
  It is a samsung n220 netbook, with ubuntu 12.04 precise and 3.2
  kernel. When the system hangs on wake, and I try to hit the caps lock
  key, the led does not light up, meaning (I think) that it's not a
  problem of video card, but a real kernel hang. It happens 1 over 5
  times when I make my suspend my system to ram.

  WORKAROUND: intel_idle.max_state=0 or 3 kernel parameter, but the
  battery discharge rate shown by ubuntu is increased by at least ~1W.

  ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  AplayDevices:
   **** List of PLAYBACK Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  ApportVersion: 2.0.1-0ubuntu17.8
  Architecture: i386
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  christophe   1954 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf0400000 irq 47'
     Mixer name	: 'Realtek ALC269'
     Components	: 'HDA:10ec0269,144dc072,00100004'
     Controls      : 19
     Simple ctrls  : 11
  DistroRelease: Ubuntu 12.04
  HibernationDevice: RESUME=UUID=1bf0120b-c9c0-461a-9982-68ce94ca69c9
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. N150/N210/N220
  MarkForUpload: True
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-70-generic-pae root=UUID=b7748ce8-63e7-49bd-9475-d9e840605fcf ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.2.0-70.105-generic-pae 3.2.63
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-70-generic-pae N/A
   linux-backports-modules-3.2.0-70-generic-pae  N/A
   linux-firmware                                1.79.18
  Tags:  precise running-unity
  Uname: Linux 3.2.0-70-generic-pae i686
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip fuse lpadmin plugdev sambashare sudo
  dmi.bios.date: 01/29/2010
  dmi.bios.vendor: Phoenix Technologies Ltd.
  dmi.bios.version: 06JI.M053.20100129.JIP
  dmi.board.asset.tag: SAMSUNG
  dmi.board.name: N150/N210/N220
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: Not Applicable
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvr06JI.M053.20100129.JIP:bd01/29/2010:svnSAMSUNGELECTRONICSCO.,LTD.:pnN150/N210/N220:pvrNotApplicable:rvnSAMSUNGELECTRONICSCO.,LTD.:rnN150/N210/N220:rvrNotApplicable:cvnSAMSUNGELECTRONICSCO.,LTD.:ct10:cvrN/A:
  dmi.product.name: N150/N210/N220
  dmi.product.version: Not Applicable
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

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