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As mentioned in the topic subject, I am having random hang and then the laptop restarts on its own. If not, I hard-restarts the laptop on own
Please see https://www.pastefs.com/pid/2355 for the log files by the command "journalctl --since=today"
Search for "Reboot" in the paste. I have encountered few hangs in this paste.
Any suggestions ?
Last edited by promach (2016-06-05 02:28:27)
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Intel Processor? Have you installed and configured your microcode updates?
Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
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yes, it is intel i5.
what do you mean by "microcode updates" ? how do I do it then ? sudo pacman -Syu ???
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Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
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I changed the GRUB setting since I used GRUB.
When I do dmesg, I suspect the microcode is still not updated because I still experience hang as in https://www.pastefs.com/pid/2356
arch% dmesg | grep microcode
[ 0.000000] microcode: CPU0 microcode updated early to revision 0x4, date = 2013-06-28
[ 0.244478] microcode: CPU1 microcode updated early to revision 0x4, date = 2013-06-28
[ 0.925773] microcode: CPU0 sig=0x20655, pf=0x10, revision=0x4
[ 0.925785] microcode: CPU1 sig=0x20655, pf=0x10, revision=0x4
[ 0.925831] microcode: CPU2 sig=0x20655, pf=0x10, revision=0x4
[ 0.925850] microcode: CPU3 sig=0x20655, pf=0x10, revision=0x4
[ 0.925934] microcode: Microcode Update Driver: v2.01 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
arch%
I have manually installed the intel-ucode package and issue command "grub-mkconfig -o /boot/grub/grub.cfg"
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The only thing I see in your logs is that you are only getting six hours sleep
It does appear that at least two of your cores are being updated at boot and that all four of them at at rev 4. In any event, the microcode updates are a good thing to install.
What is puzzling is that the journal said all four had been at rev 2
Jun 05 00:48:56 arch kernel: microcode: CPU0 sig=0x20655, pf=0x10, revision=0x2
Jun 05 00:48:56 arch kernel: microcode: CPU1 sig=0x20655, pf=0x10, revision=0x2
Jun 05 00:48:56 arch kernel: microcode: CPU2 sig=0x20655, pf=0x10, revision=0x2
Jun 05 00:48:56 arch kernel: microcode: CPU3 sig=0x20655, pf=0x10, revision=0x2
Jun 05 00:48:56 arch kernel: microcode: Microcode Update Driver: v2.01 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
So clearly all four are updating
Saddly, I don't see anything in the logs related to a hang. You say the system reboots by itself?
Also, at the hang, are the keyboard lights blinking?
Can you log into the box via ssh?
Can you ping the box?
Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
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I have run memtest86+ for testing my 2gB and 4gB RAM. Please see the error count below . How would you see this? Does this mean I have two pieces of defective RAM ?
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