[5.6.0-rc2-next-20200218/powerpc] Boot failure on POWER9

Sachin Sant sachinp at linux.vnet.ibm.com
Wed Feb 19 02:11:12 AEDT 2020


>> Yes, I can recreate the same problem with the patch applied on top of
>> 5.6.0-rc2. 
> 
> And just to make sure. This was with http://lkml.kernel.org/r/fff0e636-4c36-ed10-281c-8cdb0687c839@virtuozzo.com
> right?
> 
Yes, the same patch.

> If yes, is it possible that the specific node is somehow crippled (e.g.
> some nodes don't have any memory and thus the allocator blows up)? In
> other words what is the numa topology? (numactl -H)
> 

Here is the o/p of numactl

# numactl -H
available: 2 nodes (0-1)
node 0 cpus:
node 0 size: 0 MB
node 0 free: 0 MB
node 1 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
node 1 size: 35247 MB
node 1 free: 30907 MB
node distances:
node   0   1 
  0:  10  40 
  1:  40  10 
# 

Thanks
-Sachin


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