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SubjectRe: [Bug #14012] latest git fried my x86_64 imac
On Thu, 27 Aug 2009 21:45:01 +0200 Rafael J. Wysocki wrote:

> On Thursday 27 August 2009, Justin P. Mattock wrote:
> > Rafael J. Wysocki wrote:
> > > On Wednesday 26 August 2009, Justin P. Mattock wrote:
> > >
> > >> Rafael J. Wysocki wrote:
> > >>
> > >>> This message has been generated automatically as a part of a report
> > >>> of recent regressions.
> > >>>
> > >>> The following bug entry is on the current list of known regressions
> > >>> from 2.6.30. Please verify if it still should be listed and let me know
> > >>> (either way).
> > >>>
> > >>>
> > >>> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=14012
> > >>> Subject : latest git fried my x86_64 imac
> > >>> Submitter : Justin P. Mattock<justinmattock@gmail.com>
> > >>> Date : 2009-08-13 07:20 (13 days old)
> > >>> References : http://marc.info/?l=linux-kernel&m=125014080427090&w=4
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>
> > >> if I revert this commit:
> > >> af6af30c0fcd77e621638e53ef8b176bca8bd3b4
> > >> I can get a normal bootup.
> > >>
> > >
> > > Hm, that's
> > >
> > > commit af6af30c0fcd77e621638e53ef8b176bca8bd3b4
> > > Author: Peter Zijlstra<peterz@infradead.org>
> > > Date: Wed Aug 5 20:41:04 2009 +0200
> > >
> > > ftrace: Fix perf-tracepoint OOPS
> > >
> > > I wonder what happens if you compile out ftrace?
> > >
> > >
> > >> As for this bug, it seems I'm the only
> > >> hitting this. The system is a fresh LFS build
> > >> x86_64.
> > >> In regards to keeping this open
> > >> not sure, I don't have a problem with closing this
> > >> and taking the blame as something I did during my build
> > >> of the system, then if this becomes more frequent
> > >> then open a new bug.
> > >>
> > >
> > > OK, I'll close it for now.
> > >
> > > Thanks,
> > > Rafael
> > > --
> > > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> > > the body of a message to majordomo@vger.kernel.org
> > > More majordomo info at http://vger.kernel.org/majordomo-info.html
> > > Please read the FAQ at http://www.tux.org/lkml/
> > >
> > >
> > o.k. I tried disabling all of ftrace in the kernel,
> > unfortunately the only one left
> > is HAVE_FTRACE_SYSCALLS
> > which seems to be selected by x86.
> > seems the system still sticks
> > without reverting perf-tracepoint oops.
>
> That's kind of strange. Can you attach the .config, please?

That's what arch/x86/Kconfig does:

### Arch settings
config X86
def_bool y
...
select HAVE_FTRACE_SYSCALLS

It just means that the $arch has that capability, not that it is enabled.


---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***


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