NetBSD Problem Report #55692

From  Fri Oct  2 13:00:29 2020
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Date: Fri,  2 Oct 2020 16:00:23 +0300 (EEST)
From: (Andreas Gustafsson)
Reply-To: (Andreas Gustafsson)
Subject: rump kernels randomly panic with "rn_init 2"
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>Number:         55692
>Category:       kern
>Synopsis:       rump kernels randomly panic with "rn_init 2"
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Oct 02 13:05:00 +0000 2020
>Originator:     Andreas Gustafsson
>Release:        NetBSD-current
System: NetBSD
Architecture: x86_64
Machine: amd64

Running the ATF tests on real amd64 hardware, test cases sometimes
fail with a rump kernel issuing the message "panic: rn_init 2".
For example:

For some initial analysis by kre, see PR 55164 (that PR is about an
unrelated issue, but the present issue came up because it happened to
cause a related test to fail, confusing me as to whether the issue of
that PR had been fixed).



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