From: Meelis Roos <mroos@xxxxxxxx>
Date: Sun, 9 Apr 2017 15:09:07 +0300 (EEST)
>> > I am seeing the following soft lockup on multiple Ultrasparc II era
>> > sparc machines - Ultra 2, Netra X1, Blade 100 at least. 4.9 was fine.
>> > Will attempt to bisect some time.
>>
>> Also seeing both warnings on T2000, so not specific to UltraSparc II.
>
> Yesterday evening git has fixed that - at first it seems all affected
> servers are OK.
>
> I do not know when it was fixed - did not have time to test anything
> more since I found the problem.
I was probably the THP bug fix:
commit 76811263b3fa6347699a446cddeb63badf3e6095
Author: Nitin Gupta <nitin.m.gupta@xxxxxxxxxx>
Date: Fri Mar 31 15:48:53 2017 -0700
sparc64: Fix memory corruption when THP is enabled
The memory corruption was happening due to incorrect
TLB/TSB flushing of hugepages.
Reported-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Nitin Gupta <nitin.m.gupta@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
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