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Issue report: MainThrd cause overheating on X201
I just had my first run with the beta on my laptop as I am currently on the road and do no have my desktop available. I followed the first steps and introductions provided here.
My laptop is a Lenovo X201.

The issue: I started up the client I decided to install "And yet it moves" and "Steel Storm", which downloaded fine (did not try to start them). After that I decided to download TF2 (just for testing, I have no hopes that it will run on my lapop)

The "preparing files" screen came up and I left my laptop for a few minutes. When I returned I saw that the bar was full (maybe not to 100% but surely almost full).
The problem was that Steam was unresponsive to any input and my CPU temperature was up at 85 degrees celcius. I checked my system settings and saw that "MainThrd" was up and using 104% of my cpu. I closed my laptop at let it cool down.
After opening it again Steam was still running, the "preparing files" screen was gone by MainThr was still taking 104% of my cpu, so I killed the process. Steam closed acordingly.

After that I booted Steam again. It ran fine and now and is downloading TF2 fine with using about 24% of my cpu, which seems fine.
Sadly I do not know how to provide more information on this. I will download TF2, remove it afterwards and see if I can reproduce the issue.



Processor Information:
Vendor: GenuineIntel
Speed: 2534 Mhz
4 logical processors
3 physical processors
HyperThreading: Supported
FCMOV: Supported
SSE2: Supported
SSE3: Supported
SSSE3: Supported
SSE4a: Unsupported
SSE41: Supported
SSE42: Supported

Network Information:
Network Speed:

Operating System Version:
Ubuntu 12.10 (64 bit)
Kernel Name: Linux
Kernel Version: 3.5.0-19-generic
X Server vendor: The X.Org Foundation
X Server release: 11300000

Video Card:
Driver: Intel Open Source Technology Center Mesa DRI Intel(R) Ironlake Mobile x86/MMX/SSE2

Driver Version: 2.1 Mesa 9.0
Desktop Color Depth: 24 bits per pixel
Monitor Refresh Rate: 60 Hz
VendorID: 0x8086
DeviceID: 0x46
Number of Monitors: 1
Number of Logical Video Cards: 1
Primary Display Resolution: 1280 x 800
Desktop Resolution: 1280 x 800
Primary Display Size: 10,28" x 6,42" (12,09" diag)
26,1cm x 16,3cm (30,7cm diag)
Primary VRAM Not Detected

Sound card:
Audio device: Intel IbexPeak HDMI

Memory:
RAM: 3752 Mb

Miscellaneous:
UI Language: English
LANG: de_DE.UTF-8
Microphone: Not set
Total Hard Disk Space Available: 197127 Mb
Largest Free Hard Disk Block: 154516 Mb

Installed software:

Recent Failure Reports:
Steam for Linux > Limited Beta > Topic Details