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[Bug 686385] Re: kexec linux hangs

 

I've seen this on EFI based systems with older kernel versions. It
worked with the base kernel in utopic. If anyone has any more
information that could potentially point me to a solution that doesn't
require a kernel change that would be preferred.

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https://bugs.launchpad.net/bugs/686385

Title:
  kexec linux hangs

Status in kexec-tools package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: kexec-tools

  sudo service gdm stop
  wget http://archive.ubuntu.com/ubuntu/dists/natty/main/installer-i386/current/images/netboot/ubuntu-installer/i386/linux
  sudo kexec --load linux 
  sudo kexec -e

  On the console I see 
  [300.123] Starting new kernel
  then the box hangs, caps lock light flashing.  

  I tried using netconsole, nothing got logged.
  NETCONSLOGR=192.168.1.20
  echo "start" | netcat -q 1 -u $NETCONSLOGR 6666
  sudo modprobe netconsole netconsole="@/,@$NETCONSLOGR/"

  (veyepar)juser@dhcp42:~$ lsb_release -rd
  Description:	Ubuntu natty (development branch)
  Release:	11.04

  (veyepar)juser@dhcp42:~$ uname -a
  Linux dhcp42 2.6.37-8-generic #21-Ubuntu SMP Sun Dec 5 17:57:05 UTC 2010 i686 GNU/Linux

  (veyepar)juser@dhcp42:~$ apt-cache policy kexec-tools
  kexec-tools:
    Installed: 1:2.0.1-2ubuntu3
    Candidate: 1:2.0.1-2ubuntu3
    Version table:
   *** 1:2.0.1-2ubuntu3 0
          500 http://us.archive.ubuntu.com/ubuntu/ natty/main i386 Packages
          100 /var/lib/dpkg/status

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