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Date: Tue, 22 Dec 2015 16:41:41 +0100
From: Fabian Keil <freebsd-listen@fabiankeil.de>
To: freebsd-current@freebsd.org
Subject: Re: panic: devfs_fsync: vop_stdfsync failed.
Message-ID: <20151222164141.5b8faee6@fabiankeil.de>
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Fabian Keil <freebsd-listen@fabiankeil.de> wrote:

> I got the following panic by impatiently unplugging a device while a
> msdosfs partition on it was in the process of getting unmounted:
>=20
> Unread portion of the kernel message buffer:
> [368] Device IPOD went missing before all of the data could be written to=
 it; expect data loss.
> [368] fsync: giving up on dirty
> [368] 0xfffff80011b24760: tag devfs, type VCHR
> [368]     usecount 1, writecount 0, refcount 4770 mountedhere 0xfffff8000=
61eb200
> [368]     flags (VI_DOOMED|VI_ACTIVE)
> [368]     v_object 0xfffff80011a4c500 ref 0 pages 4782 cleanbuf 4766 dirt=
ybuf 1
> [368]     lock type devfs: EXCL by thread 0xfffff80010c424d0 (pid 40394, =
sudo, tid 101528)
> [368] 	dev msdosfs/IPOD
> [368] panic: devfs_fsync: vop_stdfsync failed.

Filed as bug #205515: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D2=
05515

Fabian

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