I tried with the upstream kernel :
nborisov@fisk:~$ uname -a
Linux fisk 4.7.0-040700-generic #201607241632 SMP Sun Jul 24 20:34:30 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux
In the meantime I managed to find a sequence which can trigger this 100%
of the time on the ubuntu kernel. The following commands have to be one
after the other:
sudo trace-cmd record -p function_graph -l vfs_read -F ls
sudo trace-cmd record -p function -l vfs_read -F ls
** Tags added: kernel-fixed-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1605843
Title:
Kernel crashes from time to time when using ftrace
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