kern/56290: KASSERT on shutdown

[martin%NetBSD.org@localhost]

>Number:         56290
>Category:       kern
>Synopsis:       KASSERT on shutdown
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Jul 01 10:45:00 +0000 2021
>Originator:     Martin Husemann
>Release:        NetBSD 9.99.86
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD gethsemane.aprisoft.de 9.99.86 NetBSD 9.99.86 (GETHSEMANE) #103: Thu Jul 1 12:12:52 CEST 2021 martin%seven-days-to-the-wolves.aprisoft.de@localhost:/work/src/sys/arch/macppc/compile/GETHSEMANE macppc
Architecture: powerpc
Machine: macppc
>Description:

Whenever I reboot this machine, I get:

Jul  1 12:39:13 gethsemane syslogd[441]: Exiting on signal 15
[  84.0837054] panic: kernel diagnostic assertion "sn->sn_opencnt == 0" failed: file "../../../../miscfs/specfs/spec_vnops.c", line 415 
[  84.0837054] cpu0: Begin traceback...
[  84.0837054] 0x11cebb40: at vpanic+0x12c
[  84.0837054] 0x11cebb70: at kern_assert+0x60
[  84.0837054] 0x11cebbb0: at spec_node_revoke+0x108
[  84.0837054] 0x11cebbd0: at vcache_reclaim+0x6a4
[  84.0837054] 0x11cebc60: at vgone+0x114
[  84.0837054] 0x11cebc80: at vrevoke+0x114
[  84.0837054] 0x11cebcb0: at genfs_revoke+0x1c
[  84.0837054] 0x11cebcc0: at VOP_REVOKE+0x48
[  84.0837054] 0x11cebce0: at exit1+0x794
[  84.0837054] 0x11cebd90: at sigexit+0x1f4
[  84.0837054] 0x11cebdc0: at postsig+0x288
[  84.0837054] 0x11cebe70: at lwp_userret+0x204
[  84.0837054] 0x11cebeb0: at syscall+0x528
[  84.0837054] 0x11cebf20: user SC trap #449 by 0xfdc208d4: srr1=0xd032
[  84.0837054]             r1=0xffffe450 cr=0x42082222 xer=0x20000000 ctr=0xfdc208d0
[  84.0837054] cpu0: End traceback...



>How-To-Repeat:
s/a

>Fix:
n/a