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Date: Tue, 27 Oct 2009 20:56:11 -0700 From: "Justin P. Mattock" <justinmattock@...il.com> To: Valdis.Kletnieks@...edu CC: Linux Kernel <linux-kernel@...r.kernel.org> Subject: Re: PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0 Valdis.Kletnieks@...edu wrote: > On Tue, 27 Oct 2009 12:07:34 PDT, "Justin P. Mattock" said: > > >> The results are similar with the messages, except >> with the curly's the system will panic the same as above >> and not boot. >> > > As I expected - I explained why already. And in fact, I intentionally did > that, so that the *last* one of those added messages before your panic > will output the info regarding the device that caused it (hacking around > the panic would mean that you'd get a whole bunch of messages and not have > an easy way to tell *which one* caused the now-bypassed issue...) > > >> (So I guess it was good to forget the curly's >> to some extent). >> > > So out of curiosity, what did the messages actually *SAY*? They should > be pointing at the device that's giving your system indigestion, so it's > useful to actually include the output (I didn't pull that printk format > string out of thin air.. ;) > > So after looking around I managed to get the machine to boot by commenting out(just to see) some calls in init_ohci1394_controller these are the ones: set_fixmap_nocache(FIX_OHCI1394_BASE, ohci_base); init_ohci1394_reset_and_init_dma(&ohci); Then kind of isolating the issue I looked into set_fixmap_nocache Now looking at fixmap.h I see some comments about x86_64 integration, leading me to believe maybe this is what/why I'm hitting a panic. Justin P. mattock -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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