RE: [lkcd-devel] Re: [RFC] Standard filesystem types for crash dumping

[Deepak Kumar Gupta, Noida]

Keith Owens wrote:
> Follow ups to lkml please, to keep any discussion on the same list.
> 
> Several kernel additions exist for saving crash dump information, among
> them are lkcd, crash, kmsgdump.  They all have the same problems :-
> 
> * Where to store the crash data.
> * How to write data when the kernel is unreliable, it may not be
>   servicing interrupts.
> * User space needs to read and clear the dump data.
> * Performance!
> * Coexistence of multiple dump drivers.


jeff>Have you tried diskdump?

jeff> It already exists, and seems to address these things.

I guess this RFC proposes a common interface (can be used all the dumping
mechanisms available in Linux kernel) to handle the above points. And
diskdump is specific to LKCD only.

Thanks and Best Regards
Deepak Kumar Gupta
Project Leader
HCL Technologies Limited, NOIDA UP, INDIA

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