On Wed, 2007-07-25 at 17:18 -0400, Lee Schermerhorn wrote: > On Wed, 2007-07-25 at 12:38 -0700, Christoph Lameter wrote: > > (ccing Andy who did the work on the config stuff) > > > > On Wed, 25 Jul 2007, Lee Schermerhorn wrote: > > > > > I tried to deselect SPARSEMEM_VMEMMAP. Kconfig's "def_bool=y" wouldn't > > > let me :-(. After hacking the Kconfig and mm/sparse.c to allow that, > > > boot hangs with no error messages shortly after "Built N zonelists..." > > > message. > > > > I get a similar hang here and see the system looping in softirq / hrtimer > > code. > > > > > Backed off to DISCONTIGMEM+VIRTUAL_MEMORY_MAP, and saw same hang as with > > > (SPARSMEM && !SPARSEMEM_VMEMMAP). > > > > So its not related to SPARSE VMEMMAP? General VMEMMAP issue on IA64? > > This hang is different from the one I see with SPARSE VMEMMAP -- no > "Unable to handle kernel paging request..." message. Just hangs after > "Built N zonelists..." and some message about "color" that I didn't > capture. Next time [:-(]... The "color" message was actually: Console: colour dummy device 80x25 So, now I'm wondering if I'm hitting the "Regression in serial console..." issue, and the system was actually booting--I just didn't see any output. If so, the "Unable to handle kernel paging request..." hang might well be a problem with SPARSEMEM_VMEMMAP... Lee - 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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