Hot answers tagged freeze
The blinking caps lock is probably caused by a kernel panic, more info here. Look for log files as instructed here to debug this. It seems like there should be something related in /var/log/syslog.
It's a confirmed bug, therefore use a newer version via the PPA ppa:wireshark-dev/stable sudo apt-add-repository ppa:wireshark-dev/stable sudo apt-get update sudo apt-get dist-upgrade
Kernel 3.19.0-30 is not a supported kernel for Ubuntu 15.04. The current kernel in stable repository is 3.19.0-28. You got 3.19.0-30 installed because you had enabled proposed repository in System Settings -> Software & Updates. It is a testing kernel. Remove testing kernels using Synaptic and disable proposed. But before you remove it I suggest ...
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