From: Meelis Roos <mroos@xxxxxxxx>
Date: Mon, 27 Nov 2017 13:37:07 +0200 (EET)
>> [ 0.176608] Unable to handle kernel NULL pointer dereference in mna handler
>> [ 0.176614] at virtual address 0000000000000009
>> [ 0.176728] current->{active_,}mm->context = 0000000000000000
>> [ 0.176787] current->{active_,}mm->pgd = fff8004030002000
>
>
>> [ 0.188495] Instruction DUMP:
>> [ 0.188499] fa062014
>> [ 0.188531] c4260000
>> [ 0.188558] c2262004
>> [ 0.188586] <f8262008>
>
> I am seeing similar problem on V480, with kernel crosscompiled from
> server with gcc (and other up to date userland from Debian sparc64).
>
> Sometimes it happesn after I change a configuration option (like rmeove
> cassini from being built in) and does not go away when I change the
> option back.
If someone can bisect this it would help tremendously.
I've been away from my sparc64 systems for a while and I hope I can get
started working on these regressions again soon.
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