Re: [crash] Re: Latest brk patchset

[Yinghai Lu]

Jeremy Fitzhardinge wrote:
> Ingo Molnar wrote:
>>> And the resulting kernel booted fine under qemu with 1Gbyte of
>>> memory.  I'll try on real hardware a bit later, but it doesn't seem
>>> like something that should be affected by qemu vs native, unless it
>>> has something to do with the specific e820 map.
>>>     
>>
>> Note that the crash was reproducible and it very clearly went away
>> when i excluded those commits from tip:master.
>>   
> 
> Yep, and it looks like the kind of problem those changes might cause. 
> But I can't reproduce it, and its not obvious to me what's actually
> going wrong.  Any chance you could bisect the failure down to a specific
> changeset, and print "start", "max_pfn_mapped" and "tables" where it fails?
> 

could be max_pfn_mapped change in head_32.S that reduce mapping range to _end only.

YH
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