[Bug 974765] Re: Drive not found since 3.2.0-21... kernel panic, unable to mount root fs

[Marcus Tomlinson]

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

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Title:
  Drive not found since 3.2.0-21... kernel panic, unable to mount root
  fs

Status in ubiquity package in Ubuntu:
  Incomplete

Bug description:
  Since 3.2.0-21 the kernel does not locate my hard drive.
  Consequently, the kernel cannot locate the system partition, which
  results in a kernel panic -- unable to mount root filesystem.

  The suggested valid boot devices following this error include only my
  CD-ROM drive (sr0).

  Kernel 3.2.0-20 boots fine.

  Kernel 3.2.0-22 suffers the same problem as 3.2.0-21.

  Please let me know if I can supply any further/more specific
  information.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-generic 3.2.0.22.24
  ProcVersionSignature: Ubuntu 3.2.0-20.33-generic 3.2.12
  Uname: Linux 3.2.0-20-generic x86_64
  NonfreeKernelModules: nvidia
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0-0ubuntu4
  Architecture: amd64
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Date: Thu Apr  5 20:44:16 2012
  HibernationDevice: RESUME=UUID=35553fcd-9ae3-4e61-8142-e496f4d885d4
  IwConfig:
   lo        no wireless extensions.
   
   eth0      no wireless extensions.
  MachineType: Dell Inc. Precision WorkStation T7500
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-20-generic root=UUID=862bcf01-fc44-4c29-8d08-f8be78763567 ro quiet splash
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/20/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 06FW8P
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 7
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA10:bd04/20/2011:svnDellInc.:pnPrecisionWorkStationT7500:pvr:rvnDellInc.:rn06FW8P:rvrA01:cvnDellInc.:ct7:cvr:
  dmi.product.name: Precision WorkStation T7500
  dmi.sys.vendor: Dell Inc.

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