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["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/926012

Title:
  With a -pae kernel, freeze during boot when wistron_btns loaded

Status in The Linux Kernel:
  Confirmed
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  With my Amilo M7400 and the recent Precise kernels (at least
  3.2.0-[10-12] I think), the system freezes during boot with the Ubuntu
  logo and colored dots on screen (the dots stop progressing), when I
  have wistron_btns enabled in /etc/modules. I need wistron_btns on this
  laptop for the wireless to work, which is why I'd like to have it
  enabled.

  This is unrelated to Bug #926007 which I also just filed: the
  wistron_btns freeze happens even when I'm using fbdev. (With -intel,
  the  #926007 panic and this freeze take turns in who gets to mess with
  me.)

  From what I've gathered so far, it seems that wistron_btns works fine
  if I manually modprobe it from my desktop, after booting without it.
  So that's a workaround at least.

  I can kill the freeze with Alt+PrtSc+REISUB. I'll provide any
  additional info needed, though I don't know how to produce logs when
  the system is frozen.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-12-generic-pae 3.2.0-12.21
  ProcVersionSignature: Ubuntu 3.2.0-12.21-generic-pae 3.2.2
  Uname: Linux 3.2.0-12-generic-pae i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.91-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jani       1782 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'I82801DBICH4'/'Intel 82801DB-ICH4 with CS4299 at irq 10'
     Mixer name	: 'Cirrus Logic CS4299 rev 4'
     Components	: 'AC97a:43525934'
     Controls      : 36
     Simple ctrls  : 22
  CurrentDmesg:
   [   35.672075] intel8x0: clocking to 48000
   [   36.816209] b44 ssb0:0: eth0: Link is up at 100 Mbps, full duplex
   [   36.816216] b44 ssb0:0: eth0: Flow control is off for TX and off for RX
   [   36.816551] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
   [   46.880038] eth0: no IPv6 routers present
  Date: Fri Feb  3 13:58:44 2012
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=80b87005-5f3a-4290-bba9-d30ef32f8151
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MachineType: FUJITSU SIEMENS AMILO M
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcEnviron:
   LANGUAGE=fi:en_US:en
   PATH=(custom, user)
   LANG=fi_FI.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-12-generic-pae root=UUID=f5b168d7-b4d0-40d8-b76a-8bda4fb90be5 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-12-generic-pae N/A
   linux-backports-modules-3.2.0-12-generic-pae  N/A
   linux-firmware                                1.68
  RfKill:
   0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: yes
  SourcePackage: linux
  UpgradeStatus: Upgraded to precise on 2011-12-09 (55 days ago)
  dmi.bios.date: 06/15/04
  dmi.bios.vendor: Phoenix Technologies LTD
  dmi.bios.version: R01-S0U
  dmi.board.name: AMILO M
  dmi.board.vendor: FUJITSU SIEMENS
  dmi.board.version: Rev.A
  dmi.chassis.type: 1
  dmi.chassis.vendor: FUJITSU SIEMENS
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrR01-S0U:bd06/15/04:svnFUJITSUSIEMENS:pnAMILOM:pvr-1:rvnFUJITSUSIEMENS:rnAMILOM:rvrRev.A:cvnFUJITSUSIEMENS:ct1:cvrN/A:
  dmi.product.name: AMILO M
  dmi.product.version: -1
  dmi.sys.vendor: FUJITSU SIEMENS

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