Re: kern/52031 (FFS mount update doesn't play nice with WAPBL)

To: hannken%NetBSD.org@localhost, netbsd-bugs%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, jdolecek%NetBSD.org@localhost, jaromir.dolecek%gmail.com@localhost
Subject: Re: kern/52031 (FFS mount update doesn't play nice with WAPBL)
From: jdolecek%NetBSD.org@localhost
Date: Mon, 6 Mar 2017 21:00:05 +0000 (UTC)

Synopsis: FFS mount update doesn't play nice with WAPBL

State-Changed-From-To: feedback->open
State-Changed-By: jdolecek%NetBSD.org@localhost
State-Changed-When: Mon, 06 Mar 2017 21:00:05 +0000
State-Changed-Why:
Now mount -o log /dev/dk0 /mnt triggers kernel panic:
panic: kernel diagnostic assertion "mutex_owned(&mp->mnt_updating)" failed: file "..../vfs_subr.c", line 691

Furthermore, regular mount of root (mount /dev/wd0a /) fails with:
mount_ffs: /dev/wd0a on /: Operation not supported

Kernel from yesterday (2017-06-05) works fine for the non-wapbl mount.

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