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SubjectRe: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0
Date
On Tuesday 17 November 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 2.6.31. Please verify if it still should be listed and let me know
> > (either way).
> >
> >
> > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=14487
> > Subject : PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0
> > Submitter : Justin P. Mattock<justinmattock@gmail.com>
> > Date : 2009-10-23 16:45 (25 days old)
> > References : http://lkml.org/lkml/2009/10/23/252
> >
> >
> >
> >
> This one has me a bit dazed i.g. after looking into the issue
> I did find a workaround(keep in mind it's not pretty),
> by commenting out set_fixmap_nocache and
> init_ohci1394_reset_and_init_dma.
> (by doing so I was able to load both machines and
> execute early debugging in case a problem occurs).
>
> Now as to what might be happening, after going through as
> much as I can comprehend the only thing in mind was
> reading fixmap.h the comments are stating that vsyscalls
> only covers 32bit, and that there needs to be another set
> for 64, leading me to believe that this is what I might be hitting.
> (my system is pure64, taking in no 32bit at all).
>
> At this point I think I need somebody to give me some info on this,
> and if the 64bit issue mentioned above is the case, then we can probably
> close this and leave it up to the x86_64 builders to create a 64bit
> call for this whenever they get to it.(main thing is I'm able to
> run dma early in case of an emergency).

Thanks for the update.

Rafael


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