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[Bug 1033410] Re: [Samsung NP530U3B-A02SE] samsung-laptop module kernel panic 3.2.0-27

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: "Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>
Date: Thu, 28 Nov 2013 17:39:54 -0000
Reply-to: Bug 1033410 <1033410@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
** Summary changed:

- samsung-laptop module kernel panic 3.2.0-27
+ [Samsung NP530U3B-A02SE] samsung-laptop module kernel panic 3.2.0-27

** Description changed:

  update to linux-image 3.2.0-27 results in system not booting on Samsung
  5 Series laptop (NP530U3B-A02SE)
  
  there is a entry in changelog:
  * samsung-laptop: make the dmi check less strict
-     - LP: #1012284
+     - LP: #1012284
  
  on kernel 3.2.0-26 modprobe samsung-laptop says no such device, but on
  3.2.0-27 it tries to load it automatically and causes instant kernel
  panic and system hangs
  
- blacklisting samsung-laptop solves the issue for this system, but this should not happen by default
- --- 
+ WORKAROUND: blacklisting samsung-laptop.
+ ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu11
  Architecture: amd64
  ArecordDevices:
-  **** List of CAPTURE Hardware Devices ****
-  card 0: PCH [HDA Intel PCH], device 0: ALC269VC Analog [ALC269VC Analog]
-    Subdevices: 1/1
-    Subdevice #0: subdevice #0
+  **** List of CAPTURE Hardware Devices ****
+  card 0: PCH [HDA Intel PCH], device 0: ALC269VC Analog [ALC269VC Analog]
+    Subdevices: 1/1
+    Subdevice #0: subdevice #0
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  jarkkot    2067 F.... pulseaudio
-  /dev/snd/pcmC0D0p:   jarkkot    2067 F...m pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  jarkkot    2067 F.... pulseaudio
+  /dev/snd/pcmC0D0p:   jarkkot    2067 F...m pulseaudio
  Card0.Amixer.info:
-  Card hw:0 'PCH'/'HDA Intel PCH at 0xf0700000 irq 50'
-    Mixer name	: 'Intel CougarPoint HDMI'
-    Components	: 'HDA:10ec0269,144dc0c7,00100202 HDA:80862805,80860101,00100000'
-    Controls      : 24
-    Simple ctrls  : 11
+  Card hw:0 'PCH'/'HDA Intel PCH at 0xf0700000 irq 50'
+    Mixer name	: 'Intel CougarPoint HDMI'
+    Components	: 'HDA:10ec0269,144dc0c7,00100202 HDA:80862805,80860101,00100000'
+    Controls      : 24
+    Simple ctrls  : 11
  DistroRelease: Ubuntu 12.04
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=5ce42c18-9f02-44fe-b82d-e1070195b1c5
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U3BI/530U4BI/530U4BH
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-27-generic root=UUID=ecbc5b60-4608-4aec-b5c5-08c2c9f6aaa3 ro i915.semaphores=1 i915.i915_enable_rc6=1 i915.i915_enable_fbc=1 i915.lvds_downclock=1 quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.2.0-27.43-generic 3.2.21
  RelatedPackageVersions:
-  linux-restricted-modules-3.2.0-27-generic N/A
-  linux-backports-modules-3.2.0-27-generic  N/A
-  linux-firmware                            1.79
+  linux-restricted-modules-3.2.0-27-generic N/A
+  linux-backports-modules-3.2.0-27-generic  N/A
+  linux-firmware                            1.79
  StagingDrivers: mei
  Tags:  precise running-unity staging
  Uname: Linux 3.2.0-27-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sudo
  dmi.bios.date: 03/16/2012
  dmi.bios.vendor: Phoenix Technologies Ltd.
  dmi.bios.version: 06XK
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 530U3BI/530U4BI/530U4BH
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: FAB1
  dmi.chassis.asset.tag: Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvr06XK:bd03/16/2012:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U3BI/530U4BI/530U4BH:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rn530U3BI/530U4BI/530U4BH:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
  dmi.product.name: 530U3BI/530U4BI/530U4BH
  dmi.product.version: 0.1
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

-- 
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https://bugs.launchpad.net/bugs/1033410

Title:
  [Samsung NP530U3B-A02SE] samsung-laptop module kernel panic 3.2.0-27

Status in “linux” package in Ubuntu:
  Triaged

Bug description:
  update to linux-image 3.2.0-27 results in system not booting on
  Samsung 5 Series laptop (NP530U3B-A02SE)

  there is a entry in changelog:
  * samsung-laptop: make the dmi check less strict
      - LP: #1012284

  on kernel 3.2.0-26 modprobe samsung-laptop says no such device, but on
  3.2.0-27 it tries to load it automatically and causes instant kernel
  panic and system hangs

  WORKAROUND: blacklisting samsung-laptop.
  ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu11
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: PCH [HDA Intel PCH], device 0: ALC269VC Analog [ALC269VC Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jarkkot    2067 F.... pulseaudio
   /dev/snd/pcmC0D0p:   jarkkot    2067 F...m pulseaudio
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf0700000 irq 50'
     Mixer name	: 'Intel CougarPoint HDMI'
     Components	: 'HDA:10ec0269,144dc0c7,00100202 HDA:80862805,80860101,00100000'
     Controls      : 24
     Simple ctrls  : 11
  DistroRelease: Ubuntu 12.04
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=5ce42c18-9f02-44fe-b82d-e1070195b1c5
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U3BI/530U4BI/530U4BH
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-27-generic root=UUID=ecbc5b60-4608-4aec-b5c5-08c2c9f6aaa3 ro i915.semaphores=1 i915.i915_enable_rc6=1 i915.i915_enable_fbc=1 i915.lvds_downclock=1 quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.2.0-27.43-generic 3.2.21
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-27-generic N/A
   linux-backports-modules-3.2.0-27-generic  N/A
   linux-firmware                            1.79
  StagingDrivers: mei
  Tags:  precise running-unity staging
  Uname: Linux 3.2.0-27-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sudo
  dmi.bios.date: 03/16/2012
  dmi.bios.vendor: Phoenix Technologies Ltd.
  dmi.bios.version: 06XK
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 530U3BI/530U4BI/530U4BH
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: FAB1
  dmi.chassis.asset.tag: Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvr06XK:bd03/16/2012:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U3BI/530U4BI/530U4BH:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rn530U3BI/530U4BI/530U4BH:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
  dmi.product.name: 530U3BI/530U4BI/530U4BH
  dmi.product.version: 0.1
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

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