From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jos den Bekker <josdenb@gmail.com>
Subject: no internet connection under Qubes OS
Date: Wed, 10 Sep 2014 09:41:43 +0200
Message-ID: <541000B7.8080508@gmail.com>
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dmesg (Qubes OS, dom0VM) gives the following error report regarding pciback:

[ 35.375830] pciback 0000:04:00.0: Driver tried to write to a read-only
configuration space field at offset 0x52, size 2. This may be harmless,
but if you have problems with your device:
1) see permissive attribute in sysfs
2) report problems to the xen-devel mailing list along with details of
your device obtained from lspci.
...
[44.081163] pciback 0000:04:00.0: enabling device (0000 -> 0002)

Ethernet card is: Broadcom Netlink Gigabit Ethernet card (Ethernet 802.3)

Any help??

Thanks in advance.