Bug 200587

Summary:	panic: vinvalbuf: dirty bufs
Product:	Base System	Reporter:	Peter Holm <pho>
Component:	kern	Assignee:	freebsd-bugs (Nobody) <bugs>
Status:	Closed FIXED
Severity:	Affects Only Me	CC:	ngie
Priority:	---
Version:	CURRENT
Hardware:	Any
OS:	Any

Description Peter Holm freebsd_committer

2015-06-02 06:56:14 UTC

Seen during stress tests of NFS w/ lockd:

panic: vinvalbuf: dirty bufs
cpuid = 13
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe081e6d11c0
vpanic() at vpanic+0x25e/frame 0xfffffe081e6d1290
kproc_shutdown() at kproc_shutdown/frame 0xfffffe081e6d12f0
bufobj_invalbuf() at bufobj_invalbuf+0x149/frame 0xfffffe081e6d1340
vinvalbuf() at vinvalbuf+0x80/frame 0xfffffe081e6d1370
vfs_domount_first() at vfs_domount_first+0x141/frame 0xfffffe081e6d15d0
vfs_domount() at vfs_domount+0x462/frame 0xfffffe081e6d17a0
vfs_donmount() at vfs_donmount+0x902/frame 0xfffffe081e6d1850
sys_nmount() at sys_nmount+0xd8/frame 0xfffffe081e6d18a0
syscallenter() at syscallenter+0x516/frame 0xfffffe081e6d1980
amd64_syscall() at amd64_syscall+0x62/frame 0xfffffe081e6d1ab0

Details @ https://people.freebsd.org/~pho/stress/log/crossmp6.txt
Test scenario: https://people.freebsd.org/~pho/crossmp6.sh

Comment 1 Peter Holm freebsd_committer

2015-06-04 05:36:01 UTC

Fixed and verified by r283968.