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System freezes.

(20 posts) (8 voices)

Started 9 years ago by new_u
Latest reply from az_ua
This topic is not a support question

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goddeex

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Hello,

As for me I think there is really a software problem with the Linux kernel and/or firefox. I fixed the laptop because it had some issues, it was overheating. So I replaced the thermal paste on cpu and thermal pad on GPU. Now it doesn't hang any more, with MemTest86 and CPU Burn-in. I also had to reflew the motherboard because the heat destroyed the solder connections.

So now it seams to withstands the heat.

But something maybe gstreamer or the viedo card make it hang with official-firefox after 30 minutes of use. It freezes. So I have to test further, but I think there might be a problem with this firefox.

Posted 8 years ago #
goddeex

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Hello moulefrite,

You'd better test your memory with Memtest86 because the Windows test is not really reliable it doesn't always detect errors. However, if you use one of the newer versions of MemTest86 you have to launch the test in legacy mode w/o detection of the chip.

Bonne chance.

Posted 8 years ago #
goddeex

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Hello, one update concerning my own problem of system freeze: the problem appears on Firefox, but also on Midori and even on VLC when watching videos. And it happens also under Windows also when watching videos. So the problem is on the video card: but when I monitor the sensors with the "sensors" command it does not come above 60°; it doesn't seam heat so much.

So I'm afraid the temp sensor of the GPU is not great; not representative, and that there is however a thermal problem. I have to test some kind of thermal pad with a better thermal conductivity and see if it improves. I told you that I changed the thermal pad but unfortunately I put one that was not so great regarding thermal conductivity. So I may have made a mistake.

Because my system is quite stable appart when watching videos I think the problem is with the graphic card.

Posted 8 years ago #
goddeex

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Hello, I need to post an update concerning this problem.

It seams that the system hangs each time the processor reach 55°C.
I can see the temp increasing by 1° every 30 seconds when watching videos !
Or when trying to load the cpu with a "while true; do true; done".

So maybe 55°C is high for a Core 2 duo processor ?
What do you think about it ?

I have at work a Core i5 which is reaching 55°C whithout problems.

Posted 7 years ago #

az_ua

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Moderator

You can downclock cpu:

tazpkg -gi linux-acpi
tazpkg -gi linux-cpufreq
grep Hz /proc/cpuinfo
modprobe acpi-cpufreq
modprobe cpufreq_powersave
echo powersave | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor >/dev/null
grep Hz /proc/cpuinfo

System freezes.

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