Description of problem:
In F15 I never had issues, but since switching to F16 I have the laptop regularly overheating and going in thermal shutdown.
Lapto is a Thinkpad T500 with Intel gm45 gpu.
Just let the laptop compile (use 100% of 1 of the 2 cores) for a few minutes.
I used a script to switch from ondemand to powersave(forces 800Mhz) when cpu temp as read from /proc/acpi/ibm/thermal reached above 89 and switched back to ondemand once temp was again below 60. Certainly not optimal but it let my machine never go in thermal shutdown.
Than I tried to set echo 90000 >/sys/class/thermal/thermal_zone0/passive
I stopped my script and started a busy loop to let the cpu go to 100% use.
Temperature quickly reached and surpassed 90 degrees, and setteled between 92/93 degrees for 5-10 minutes and then the acpi signaled again criutical was reached and machine shutdown.
I will try to set a lower value in passive, but it seem bad that the kernel does not throttle more aggressively when the threshold is reached and even surpassed.
If you need any test let me know, I still have around my old HDD with the F15 install.
I have the same issue with my Thinkpad X200s.
Since I installed FC16, I started having thermal issues (fan not spinning, temperature often going up to 93 degrees Celcius and thermal shutdowns). Sometimes, the fan would rev up to max RPM for 30-45 seconds out of the blue and then suddenly stop for good until poweroff.
Since the last kernel update (3.1.2-1.fc16.x86_64), the fan started working again when my laptop just cleanly booted. But is still not spinning after resuming from suspend.
I realize that this bug is getting to be a bit old, but I've been having the same issue with my T500 running F16. This laptop was fine with F15 and prior Fedora releases. I primarily encounter thermal shutdown when running a VM to do compiling, or even just doing a yum update while running a single VM.
I can certainly provide any info that could help to track this problem down, but I think I'm going to have to do something similar to Simo to prevent my machine from shutting down while I'm in the middle of intensive tasks.
# Mass update to all open bugs.
Kernel 3.6.2-1.fc16 has just been pushed to updates.
This update is a significant rebase from the previous version.
Please retest with this kernel, and let us know if your problem has been fixed.
In the event that you have upgraded to a newer release and the bug you reported
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encountered the issue with. Before doing so, please ensure you are testing the
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you may have gathered.
If you are not the original bug reporter and you still experience this bug,
please file a new report, as it is possible that you may be seeing a
(Please don't clone this bug, a fresh bug referencing this bug in the comment is sufficient).
unfortunately I do not have the T500 anymore, so I can't test.
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Can I get a reopen on this bug? I have reproduced this same issue on a T500 on Fedora 19.