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SubjectRe: [PATCH] x86/dumpstack: Walk frames when built with frame pointers
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The USB debug port is nice once you get it to work.  Assumes they haven't done anything clever like hide the special port behind a hub...

Sent from my tablet, pardon any formatting problems.

> On Jun 6, 2014, at 1:24, Borislav Petkov <bp@alien8.de> wrote:
>
>> On Fri, Jun 06, 2014 at 10:17:26AM +0200, Peter Zijlstra wrote:
>> Hopefully the EFI pstore thing will work out, but I've already heard
>> that can wear out very quickly and render your machine a brick :-(
>
> And not only that - write speed is awfully low. I hear you might be ok
> to record an oops or so. Continuous debug output, not so much.
>
>> Me, I simply refuse to work on machines if they don't have a serial
>> line, but in general that's not a tenable position I suppose :/
>
> Well, with all the other crap they put in modern machines, how hard it
> is to put a goddam stupid serial line out everywhere...? WTF do I need a
> goddam adaptive keyboard and other idiotic bling-bling if I can't have a
> simple serial line for debugging... Blergh.


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