Comment 3 for bug 428671

Hi emory,

If you can, try and see if either of the following may help with gathering additional info. First, take a look at
https://wiki.ubuntu.com/DebuggingKernelSuspendHibernateResume . It contains some additional debug tips that my help. Also, the linux-crashdump package has been provided to help capture the contents of a Kernel Oops/Panic, especially in the event of a sudden system freeze/lockup. It may help here if you are experiencing a kernel panic. You will first need to install the linux-crashdump package, the apport-retrace package, and then reboot the system.

sudo apt-get install apport-retrace linux-crashdump
sudo reboot

Once installed and rebooted, try to hibernate/resume to reproduce the lock up. Upon the next reboot, run the following command from a Terminal (Applications->Accessories->Terminal):

sudo apport-retrace -s -R /var/crash/linux-image*-.crash > /tmp/crash.log

This collects the contents of the Kernel Oops/Panic and writes it to a file, "crash.log", in your /tmp directory. Please attach the resulting "crash.log" file to this bug report.

Thanks in advance!