Messages in this thread | | | Subject | Re: [PATCH] x86/dumpstack: Walk frames when built with frame pointers | From | "H. Peter Anvin" <> | Date | Fri, 6 Jun 2014 20:09:46 -0700 |
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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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