kern/60495: assertion "pmp->pmp_root != NULL" failed: file "../../../../fs/puffs/puffs_vnops.c", line 1420

"[email protected] via gnats" <[email protected]> Fri, 24 Jul 2026 06:15:01 +0000 (UTC)
Newsgroups gmane.os.netbsd.bugs
Message-ID <[email protected]>
>Number:         60495
>Category:       kern
>Synopsis:       assertion "pmp->pmp_root != NULL" failed: file "../../../../fs/puffs/puffs_vnops.c", line 1420
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Jul 24 06:15:00 +0000 2026
>Originator:     Martin Husemann
>Release:        NetBSD 11.99.7
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD last-of-the-heroes.duskware.de 11.99.7 NetBSD 11.99.7 (GENERIC) #403: Thu Jul 23 12:08:46 CEST 2026 [email protected]:/work/src/sys/arch/landisk/compile/GENERIC landisk
Architecture: sh3el
Machine: landisk
>Description:

While doing it's weekly ATF test run, this machine paniced:

[ 51815.7192460] panic: kernel diagnostic assertion "pmp->pmp_root != NULL" failed: file "../../../../fs/puffs/puffs_vnops.c", line 1420 
[ 51815.8613100] cpu0
db> bt
cpu_Debugger() at netbsd:vpanic+0xfe
vpanic() at netbsd:kern_assert+0x20
kern_assert() at netbsd:puffs_vnop_reclaim+0x4e
puffs_vnop_reclaim() at netbsd:VOP_RECLAIM+0x16
VOP_RECLAIM() at netbsd:vcache_reclaim+0x282
vcache_reclaim() at netbsd:vrecycle+0xd4
vrecycle() at netbsd:vdrain_one+0x104
vdrain_one() at netbsd:vdrain_task+0x32
vdrain_task() at netbsd:threadpool_thread+0x230
threadpool_thread() at netbsd:lwp_trampoline+0xc



>How-To-Repeat:
s/a

>Fix:
n/a