crash-utility

BTW, if your embedded kernel doesn't load any kernel modules, you could try using the "crash --no_modules ..." argument and see if it manages to make it through the initialization...

----- Original Message ----- > When attempting to debug a kernel panic on ubuntu 16.04 LTS with hwe the > stack is unavailable. > > Having manually built 7.2.7 I...

I cannot make sense of how this scenario evolved. It appears that it has made it to no_context(), where the "BUG: unable to handle kernel ..." message is printed before...

As you surmised, it's presumably related to that X86_CR4_SMEP message. "Supervisor Mode Access Prevention" is something I know nothing about.

----- Original Message ----- > Loading crash module on s390x these messages are seen: > > [ 129.794298] crash: loading out-of-tree module taints kernel. > [ 129.795196] crash: Unknown symbol...

----- Original Message ----- > I can export the functions with no problem. > > The point here is that either the driver should be fixed to work with non-RH...

Can you post your question to the [email protected] mailing list? There was a discussion about CONFIG_PROC_VMCORE_DEVICE_DUMP on the list a while back, where the author of the kernel patch said...