Comment 107 for bug 969860

I am using Dell latitude e7440, Ubuntu trusty, having the same problem. Every time I lock my screen using <Win-key>-L, after a few seconds my vent goes crazy and the temperature rises to 80+ Celsius.

I could not run the `dstack` file properly. The output of `sh ./dstack compiz > compizstack.txt` was
====
Could not attach to process. If your uid matches the uid of the target
process, check the setting of /proc/sys/kernel/yama/ptrace_scope, or try
again as the root user. For more details, see /etc/sysctl.d/10-ptrace.conf
ptrace: Operation not permitted.
/home/peleg/2417: No such file or directory.
Thread ID 1 not known.
/tmp/dstackscript4955:4: Error in sourced command file:
No stack.
====

The output of `sudo sh ./dstack compiz > compizstack.txt` was
====
81 ../sysdeps/unix/syscall-template.S: No such file or directory.
185 ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S: No such file or directory.
81 ../sysdeps/unix/syscall-template.S: No such file or directory.
====

My system info:

* Ubuntu 14.04.3 LTS (trusty)
* Architecture: 64 bit
* Kernel version: 3.16.0-40-generic
* Dell E7440
* Bios version: A14