Debugging a kernel freeze

[Daniel.]

In this scenario I would isolate stuff until find at last the domain of the
problem. You say that it happens after some hours, can it be because of
temperature?, What is the workload?

2017-12-01 12:05 GMT-02:00 Victor Ascroft <victorascroft at gmail.com>:

> Hello,
>
> I have a iMX6 running a 4.9 kernel with a custom kernel driver
> communicating
> with a FPGA over PCIe. The driver is not built in to the kernel but loaded
> as
> a module after complete boot up. During the running of the system, after a
> few
> hours the kernel completely freezes. No kernel panics or stack traces,
> nothing.
> I have access to the serial console.
>
> In such a scenario what are the ways to debug and try locating the source
> of
> the problem? I am not looking for a solution for my problem but things or
> approaches one can go about trying while trying to fix such a scenario?
>
> Thank you for any pointers in advance.
>
> Regards.
>
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-- 
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  Charles Bukowski
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