> I'm just a hobbyist contributor and I haven't cracked out how to know
> where in code 'double free or corruption (!prev): 0x0975bc20' issue
> happen. Could you compile the tool with debugging symbols, and
> recreate issue the way we could see backtrace? That would make fixing
> a lot easier.
>
> cd /tmp
> wget https://01.org/sites/default/files/downloads/powertop/powertop-2.7.tar.gz
> tar xzf powertop-2.7.tar.gz
> cd powertop-2.7
> CXXLAGS="-O0 -g -ggdb -fno-omit-frame-pointer" ./configure
> make -j3
> sudo -i
> cd /tmp/powertop-2.7
> ./src/powertop --auto-tune
> [crash]
> coredumpctl gdb
> (gdb) bt full
> <copy paste this output to reply>

this would indeed be very helpful

another helpful thing could be to run "strace" on powertop, and c-n-p the last 20 lines or so