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runqemu-gen-tapdevs: Add note about NetworkManager & tap devices 

NetworkManager can clobber tap devices if left alone, this gives a
note about how to set tap* as unmanaged

[YOCTO #8587]

(From OE-Core rev: 503a80de1cc9097fdc8f6b5b7d0e3a3991b0ecd2)

Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Saul Wold 2016-04-04 17:11:56 -07:00 committed by Richard Purdie
parent 634aeed0c2
commit 60786b8d90
1 changed files with 9 additions and 0 deletions
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scripts/runqemu-gen-tapdevs
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@ -85,6 +85,15 @@ for ((index=0; index < $COUNT; index++)); do
fi
done
if [ $COUNT -gt 0 ]; then
echo "Note: For systems running NetworkManager, it's recommended"
echo "Note: that the tap devices be set as unmanaged in the"
echo "Note: NetworkManager.conf file. Add the following lines to"
echo "Note: /etc/NetworkManager/NetworkManager.conf"
echo "[keyfile]"
echo "unmanaged-devices=interface-name:tap*"
fi
# The runqemu script will check for this file, and if it exists,
# will use the existing bank of tap devices without creating
# additional ones via sudo.