FreeBSD Crashes Intermittently !!

[shahzaib mushtaq]

Hi,

We don't think its related to heat because L5640 only use 60W. Can we
update microcode on FreeBSD? Because intel has not stated this OS when
performing microcode update.

Regards.

On Tue, Apr 19, 2016 at 1:27 PM, lokadamus at gmx.de <lokadamus at gmx.de> wrote:

> Hi,
>
> I think about the error lines:
> Hardware event. This is not a software error.
> CPU 23 BANK 5
> MISC 0 ADDR 805613c60
> MCG status:MCIP
> STATUS be00000000800400 MCGSTATUS 4
> ....
> Hardware event. This is not a software error.
> CPU 22 BANK 5
>
> https://en.wikipedia.org/wiki/Machine-check_exception
>
> Looks like a hardware problem from the second cpu.
> Thinks, what can be done:
> - Is it possible to read cpu heat infos from bios?
> - Disable HTT and look, if the error comes again
> - Remove the second cpu and look, if ...
> - Install microcode updates and hope, it will fix it
>
> Intel offers for many CPUs an microcode update.
>
> https://downloadcenter.intel.com/download/25512/Linux-Processor-Microcode-Data-File?v=t
>
> Can you test a cpu in another system?
> https://www.freebsd.org/cgi/ports.cgi?query=cpuburn&stype=all
>
>
> Regards
>
> On 04/19/16 09:35, shahzaib mushtaq wrote:
> > Hi, sorry for the mistake, cpus are :
> >
> > 2 x Intel(R) Xeon(R) CPU  L5640 @ 2.27GHz5640 (12 cores, 24 threads)
> >
> > On Tue, Apr 19, 2016 at 12:32 PM, lokadamus at gmx.de <lokadamus at gmx.de>
> wrote:
> >
> >> On 04/18/16 16:28, shahzaib mushtaq wrote:
> >>> Hi again, got back after a long time. So yes, we've move to new Dell
> R510
> >>> Hardware now. Here is the specs :
> >>>
> >>> DELL R510
> >>> 2 x L5520
> >>> 64GB RAM
> >>> 12x3TB Raid stripping+mirroring (HBA LSI-9211-fw version 19.00)
> >>> FreeBSD cw009.tunefiles.com 10.2-RELEASE-p14 FreeBSD 10.2-RELEASE-p14
> >> #0:
> >>> Wed Mar 16 20:46:12 UTC 2016
> >>> root at amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC
> >>> amd64
> >>>
> >>> After 9days of uptime, server again got crashed with following error in
> >>> crash log :
> >>>
> >>> http://pastebin.com/baShWuMP
> >>>
> >>> I am so much depressed now, there's much pressure on me from my
> company.
> >> Please
> >>> help us resolving this crash issue . :(
> >> Which CPU Model is installed? Is it one or more?
> >>
> >> There where some microcode updates for some models.
> >>
> >> Greeting
> >>
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>
>