Bug 221221

Summary:	netboot: shutting down netbooted machine hangs at "syncing disks... 1 1 1 1 1"
Product:	Base System	Reporter:	Martin Birgmeier <d8zNeCFG>
Component:	kern	Assignee:	freebsd-bugs (Nobody) <bugs>
Status:	Closed Overcome By Events
Severity:	Affects Only Me
Priority:	---
Version:	11.1-STABLE
Hardware:	Any
OS:	Any

Description Martin Birgmeier 2017-08-04 15:18:39 UTC

Scenario:
- netboot installation upgraded from releng/11.0 to releng/11.1
- booted in latest VirtualBox
- shutdown -p now

Result:
- the shutdown hangs at "syncing disks... 1 1 1 1"
- the value 0 is never reached
- the process eventually times out

Expected result:
- Syncing disks should reach 0 remaining dirty blocks

Comment 1 Andriy Gapon freebsd_committer

2020-05-31 11:06:29 UTC

FWIW, I saw this problem multiple times.
I think that it happened when I mounted some local filesystem while having root on NFS.
Never got around to debugging it, though.

Comment 2 Martin Birgmeier 2020-05-31 11:10:27 UTC

Thank you, this is an interesting pointer... will check it next time around.

-- Martin