On Wed, Jul 25, 2007 at 05:59:22PM +0900, Kenji Kaneshige wrote: > Doug, > > 2007-07-25 (水) の 01:09 -0400 に Doug Chapman さんは書きました: > > Yasuaki, > > > > I added a bunch of printk's to try to better understand this. > > ia64_mv.setup does get initialized properly but then gets overwritten. > > It appears that it gets overwritten in __bind_irq_vector but I have not > > narrowed down exactly where. I put a printk at the top and bottom of > > this function to show what ia64_mv.setup is and I am finding that on the > > 3rd call to this function it causes ia64_mv.setup to get set to -1. > > > > It is getting way too late for me (1AM here). I will try to dig into > > this more tomorrow but at least I have narrowed it down to a bit of code > > that actually is touched by the commit that causes the panic. > > > > - Doug > > I found a bug which causes wrong access to vector_table[] array. > I guess ia64_mv.setup was destroyed by this. Could you try the > attached patch? I was also seeing a strange problem relating to the vector domain patch which seemed to be causing corruption of vectors_in_migration, which caused migrate_irqs() to emmit suprious IRQ errors (when called by kexec). I'll try and confirm that this patch soles the problem that I was seeing tomorrow. -- Horms H: http://www.vergenet.net/~horms/ W: http://www.valinux.co.jp/en/ - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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