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Date:      Tue, 15 Mar 2016 07:12:49 -0700
From:      Peter Grehan <grehan@freebsd.org>
To:        Andriy Gapon <avg@FreeBSD.org>
Cc:        "freebsd-virtualization@freebsd.org" <freebsd-virtualization@FreeBSD.org>
Subject:   Re: bhyve: assertion in pci_vtblk_proc
Message-ID:  <56E81861.8060209@freebsd.org>
In-Reply-To: <56E7C63C.7040709@FreeBSD.org>
References:  <56E7C63C.7040709@FreeBSD.org>

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Hi Andriy,

> While running some fs-related workloads in a Gentoo guest bhyve crashed with the
> following assertion:
>
> Assertion failed: (n >= 2 && n <= BLOCKIF_IOV_MAX + 2), function pci_vtblk_proc,
> file /usr/src/usr.sbin/bhyve/pci_virtio_block.c
  ...
> Please let me know if you would like more details.

  Would you be able to get the value of 'n' from gdb ?

  This is possibly a similar issue to that seen under Windows, which I 
had an attempt at fixing with r282922 (subsequently reverted).

later,

Peter.




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