On 2020-01-20 13:32, Quentin Schulz wrote: > Hi all, > > On Mon, Jan 13, 2020 at 03:57:31PM +0100, Quentin Schulz wrote: >> Hi all, >> >> On Mon, May 14, 2018 at 04:44:15PM +0200, Stefan Agner wrote: >> > From: Stefan Agner <[email protected]> >> > >> > The udhcpc script calls ip addr flush .. which flushes addresses >> > of any address family, including IPv6. However, busybox udhcpc is >> > IPv4 only and should not influence IPv6 addressing. Hence use ip >> > addr flush with family constrait. >> > >> > The script particularly broke IPv6 SLAAC: Typically when udhcpc >> > calls the script the kernel already assigned the IPv6 link-local >> > address. The flush removes the link-local IPv6 address again and >> > prohibits proper IPv6 operation such as SLAAC since neighbor >> > discovery protocol relies on IPv6 link-local addressing. >> > >> > Signed-off-by: Stefan Agner <[email protected]> >> > --- >> > meta/recipes-core/busybox/files/simple.script | 2 +- >> > 1 file changed, 1 insertion(+), 1 deletion(-) >> > >> > diff --git a/meta/recipes-core/busybox/files/simple.script >> > b/meta/recipes-core/busybox/files/simple.script >> > index 6ed0293525..8b5eb53633 100644 >> > --- a/meta/recipes-core/busybox/files/simple.script >> > +++ b/meta/recipes-core/busybox/files/simple.script >> > @@ -28,7 +28,7 @@ case "$1" in >> > fi >> > if ! root_is_nfs ; then >> > if [ $have_bin_ip -eq 1 ]; then >> > - /SBIN_DIR/ip addr flush dev $interface >> > + /SBIN_DIR/ip -4 addr flush dev $interface >> > /SBIN_DIR/ip link set dev $interface up >> > else >> > /SBIN_DIR/ifconfig $interface 0.0.0.0 >> >> Kindly pinging, happened to us as well many times. >> > > Kindly pinging.
Just checked, we still override that script in our layer, so definitely would be happy if this gets merged upstream so I can get rid of our custom script downstream. -- Stefan -- _______________________________________________ Openembedded-core mailing list [email protected] http://lists.openembedded.org/mailman/listinfo/openembedded-core
