port-alpha/53077: alpha panic: cpu_uarea_alloc: uvm_pglistalloc failed: 12

[martin%NetBSD.org@localhost]

>Number:         53077
>Category:       port-alpha
>Synopsis:       alpha panic: cpu_uarea_alloc: uvm_pglistalloc failed: 12
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    port-alpha-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Mar 07 06:55:00 +0000 2018
>Originator:     Martin Husemann
>Release:        NetBSD 8.0_BETA
>Environment:
System: NetBSD gemini.duskware.de 8.0_BETA NetBSD 8.0_BETA (GENERIC-$Revision: 1.375.8.1 $) #23: Tue Mar 6 12:48:55 CET 2018 martin%seven-days-to-the-wolves.aprisoft.de@localhost:/work/src-8/sys/arch/alpha/compile/GENERIC.MP alpha
Architecture: alpha
Machine: alpha
>Description:

When running atf tests, my alpha paniced:

panic: cpu_uarea_alloc: uvm_pglistalloc failed: 12

Unfortunately no backtrace nor a crash dump, will retry with console log
and ddb enabled.
>How-To-Repeat:
s/a

>Fix:
n/a - never have seen this in -current