Re: PROBLEM: mce: [Hardware Error] from dmesg -l emerg

From: Luck, Tony
Date: Mon May 14 2018 - 12:50:48 EST


On Mon, May 14, 2018 at 06:27:52PM +0200, Borislav Petkov wrote:
> On Mon, May 14, 2018 at 09:19:11PM +0530, Jeffrin Thalakkottoor wrote:
> > hello,
> >
> > output related of "sudo dmesg -l emerg" from my laptop...
> >
> > --------------------------------------------------------------------------------------------------->
> > $sudo dmesg -l emerg
> > [sudo] password for jeffrin:
> > [ 0.041023] mce: [Hardware Error]: CPU 0: Machine Check: 0 Bank 5:
> > ee0000000040110b
> > [ 0.041028] mce: [Hardware Error]: TSC 0 ADDR 160000080 MISC 5040008086
> > [ 0.041034] mce: [Hardware Error]: PROCESSOR 0:306d4 TIME
> > 1526300792 SOCKET 0 APIC 0 microcode 2a
>
> Run it through mcelog to see what it decodes to:
>
> dmesg | mcelog --ascii

Is the system crashing? Or do you just see this message but
no other bad effects?

Does is happen every boot? Or was this a one time message?

Can you grab some context lines from dmesg (say 40 lines
leading up to this message) to see what else was going on?

-Tony