Created attachment 86571 [details] Screenshot First appeared to me in 3.6.3-1-ARCH, later versions are also affected (currently on 3.6.6-1-ARCH is happened again) This kernel bug appears to happen at random. I cannot pinpoint conditions to trigger this bug.
acpi_processor_set_throttling
We appear to be failing upon a thermal event when we try to throttle the processor. If this is the case, then it is likely that your system will fail more frequently when it is hot and/or under a very heavy workload (rather than at random). Can you reproduce this using an upstream kernel, say 3.7? Was this problem absent from 3.6.0?
I used to have thermal problems before, so I switched to governor powersave to reduce the cpu speed fixing the problem. When the thermal problems appears first, the system would shutdown. Due changed in ArchLinux, this configuration was no longer applied, and my cpu was running faster, causing the laptop to overheat again. That is why the problem is appearing now. It might have been present in 3.6.0 but my system was running slower when I was on that kernel version, preventing the error condition from happening. I will have to compile a 3.6.0 and a 3.7.0 to verify the behaviour on those kernel versions. Since I am on a busy schedule, I might not be able to do so this week. When I have the results I will post them.
closed as this is a duplicate of bug #46831 *** This bug has been marked as a duplicate of bug 46831 ***