On May 21, 10:30 am, "Noah Gift" <[EMAIL PROTECTED]> wrote:
> As a sysadmin for many years I say not likely.  More than likely it is
> a hardware problem such as bad RAM.  Applications that tax a machine
> will find a weak point in the hardware.  It is also less likely that
> the OS may have something wrong with it, but looking  at the logs
> files should tell you very quickly.
>
> Anything is possible, but when I hear a busy application crashes a
> machine...I think bad RAM.  I have seen it many, many times.

As another sysadmin I'd agree with this. Kernel crashes nearly always
boil down to bad hardware, or bugs in the kernel and/or it's drivers.

For the OP:

Without knowing what your hardware, OS or location is...

Thoeretically a decent modern kernel "shouldn't" be able to be crashed
by userland software no matter how buggy - although they can still
cause resource starvation etc. But Python code is another layer
removed from the kernel anyway - eg theoretically buggy Python code
"shouldn't" be able to even crash Python itself (but hey they could
happen too).

I would be inclined to look at the hardware myself - it ends up being
the problem more often than the kernel or drivers. Apparently you've
tested the RAM (I assume it isn't ECC RAM?), but the only way to know
for sure is to swap out part/all of it. Dodgy power supplies can also
cause all sorts of random issues. Can you reproduce the problem on
other hardware?

RAM, power supplies and cooling fans are the top culprits for weird
random failures.

Also apparently the crashes happen overnight at low loads. Maybe it is
environmental? Is your server just sitting in an office or cupboard
somewhere? Does the AC shut off at night? The server could be
overheating.

--
Cheers
Anton


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