Messages in this thread | | | Date | Fri, 24 Jan 2014 10:42:57 -0800 | From | Dave Hansen <> | Subject | Re: Panic on 8-node system in memblock_virt_alloc_try_nid() |
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On 01/24/2014 10:24 AM, Yinghai Lu wrote: > On Fri, Jan 24, 2014 at 10:19 AM, Dave Hansen <dave.hansen@intel.com> wrote: >> FWIW, I did turn of memblock=debug. It eventually booted, but >> slooooooooooowly. > > then that is not a problem, as you are using 4k page mapping only. > and that printout is too spew...
This means that, essentially, memblock=debug and KMEMCHECK/DEBUG_PAGEALLOC can't be used together. That's a shame because my DEBUG_PAGEALLOC config *broke* this code a few months ago, right? Oh well.
>> How many problems in this code are we tracking, btw? This is at least >> 3, right? > > two problems: > 1. big numa system. > 2. Andrew's system with swiotlb.
Can I ask politely for some more caution on your part in this area? This is two consecutive kernels where this code has broken my system.
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