freebsd stable - Sep 2017 - The system works unstable

Hi!

My 11.0-STABLE system had been working stable for a three last years, but became
unstable a week ago. The system just freezes about once/2 days (at night) and no
responsive via network, nothing in the console.
Before the first freezing I had made updates of applications in the base system
and jails.
Options VIMAGE and Linux compat. are enabled.

The first thought was bad sectors on the HDD, but? dd if=/dev/ada0 of=/dev/null
bs=128k rejected this one.

How can I debug this situation?

Thank,
Vit

If you have remote console via IPMI it might be an idea to leave an 
active top session so you can see the last point at which the machine 
stopped. It may provided a pointer to bad process e.g. eating all the 
machine RAM.

 ??? Regards
 ??? Steve

On 14/09/2017 11:30, wishmaster wrote:
> Hi!
>
> My 11.0-STABLE system had been working stable for a three last years, but
became unstable a week ago. The system just freezes about once/2 days (at night)
and no responsive via network, nothing in the console.
> Before the first freezing I had made updates of applications in the base
system and jails.
> Options VIMAGE and Linux compat. are enabled.
>
> The first thought was bad sectors on the HDD, but? dd if=/dev/ada0
of=/dev/null bs=128k rejected this one.
>
> How can I debug this situation?
>
> Thank,
> Vit
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