[Bug 1320077] Re: Malformed file while booting

[dino99]

The "malformed file" error comes from grub

Here is the source code snippet (from grub-core/commands/loadenv.c):

| /* This might be actually valid, but it is unbelievable that 
|    any filesystem makes such a silly allocation.  */ 
| return grub_error (GRUB_ERR_BAD_FS, "malformed file"); 

So some integrity check can't believe what it reads, prints a cryptic 
error message and then lets the user press a key. As there is no hint 
WHICH file may be malformed, this isn't helpful in any way IMHO. 


https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1311247

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https://bugs.launchpad.net/bugs/1320077

Title:
  Malformed file while booting

Status in “xz-utils” package in Ubuntu:
  New

Bug description:
  When booting (cold boot), after a kernel is selected into grub2, it then try to start the boot process: but i get at least 50 % of the time, either "malformed file" message or "early console decompression error"
  This happen with all the kernels used: from 3.11 to 3.15

  That issue can happen with the first 2 cold boot, sometime only the
  first one. Reboot never works, need to do a cold boot.

  Booting usually with 'upstart' or with 'systemd' does not matter about
  that issue.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: xz-utils 5.1.1alpha+20120614-2ubuntu2
  ProcVersionSignature: Ubuntu 3.15.0-1.2-generic 3.15.0-rc5
  Uname: Linux 3.15.0-1-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.2-0ubuntu3
  Architecture: i386
  CurrentDesktop: GNOME
  Date: Fri May 16 07:00:53 2014
  Dependencies:
   gcc-4.9-base 4.9.0-3ubuntu1
   libc6 2.19-0ubuntu6
   libgcc1 1:4.9.0-3ubuntu1
   liblzma5 5.1.1alpha+20120614-2ubuntu2
   multiarch-support 2.19-0ubuntu6
  SourcePackage: xz-utils
  UpgradeStatus: No upgrade log present (probably fresh install)

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