[plug] Kernel logs

[James Devenish]

In message <3F9E36D1.4070509 at postnewspapers.com.au>
on Tue, Oct 28, 2003 at 05:28:49PM +0800, Craig Ringer wrote:
> "ethtool eth0"

Thanks a lot Tony and Craig!
Alas, "Operation not supported" for me.

> It appears to be called ethtool not ethertool, hence your lack of hits. 
> A search of a few specific sites (LWN, kernel traffic) for "link status" 
>  found it.

Thanks.

> There are, however, patches that allow network crash dumps, crash dumps 
> to swap, etc. Naturally, the network ones are favoured because it's not 
> exactly reassuring to say "kernel panic, something's gone horribly 
> wrong, now let's write to the disk and hope we get the right bit...".

Well...yeah, but...if the kernel can be read off the disk in the first
place, using swap space as a dump device sounds like a good idea to me
because the kernel is already prepared for it (rather than having to
load a working network config). I realise your point, though, that it
would be no good if the kernel died because the swap device was not
working/available. Fortunately, all me previous dumps have gone
successfully to swap space so I have been happy about it. I guess I
would "stay traditional" (inertia!) and opt for swap-dumps rather than
net-dumps, if given the choice.


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