From mboxrd@z Thu Jan  1 00:00:00 1970
From: Or Gerlitz <ogerlitz@Voltaire.com>
Subject: Re: user space virtio-net exits with "truncating packet" error
Date: Tue, 19 May 2009 15:19:02 +0300
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References: <Pine.LNX.4.64.0905141258570.31748@zuben.voltaire.com>	<200905142128.58111.rusty@rustcorp.com.au> <4A0C2500.7090709@Voltaire.com> <200905151448.49851.rusty@rustcorp.com.au>
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Cc: Avi Kivity <avi@redhat.com>, netdev@vger.kernel.org,
	Gregory Haskins <ghaskins@novell.com>,
	Anthony Liguori <anthony@codemonkey.ws>
To: Rusty Russell <rusty@rustcorp.com.au>
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Rusty Russell wrote:
> This patch may help diagnostics tho.
> virtio: expose features in sysfs
> 
> Each device negotiates feature bits; expose these in sysfs to help
> diagnostics and debugging.

okay, this is the info from my guest after applying the patch on its kernel.

Or.


[root@vm1 ~]# lspci | grep Ethernet
00:03.0 Ethernet controller: Qumranet, Inc. Virtio network device

[root@vm1 ~]# cat /sys/class/net/eth0/features
0x20

[root@vm1 ~]# cat /sys/class/net/eth0/device/features
0000010000000000000000001000000000000000000000000000000000000000