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Date: Tue, 06 Jan 2015 09:04:08 -0800
From: Peter Grehan <grehan@freebsd.org>
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To: Nikos Vassiliadis <nvass@gmx.com>
Subject: Re: vtbd0: hard error cmd=flush fsbn 0
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Hi Nikos,

> I am seeing this message on 8 and 9 branches running on bhyve
> (10.1-PRERELEASE #0 r274515). Does this just mean that bio_flush is not
> supported? or is it something to check further?
>
>> vtbd0: hard error cmd=flush fsbn 0
>> GEOM_JOURNAL: BIO_FLUSH not supported by vtbd0s1a.

  It's fixed in 10-STABLE as of r276349.

later,

Peter.