martin f krafft wrote:
also sprach Simon Kelley <[EMAIL PROTECTED]> [2008.12.08.1107 +0100]:
Any idea how I can force a bridge interface into that state, to try and
reproduce this?
No. :(
I have a few etch hosts (2.6.24) with bridges and they all seem
alright. I do have a sid host also running 2.6.26, and there the
bridge has the same "problem". Interestingly, also lo:
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
Ok, this much I have found.
# brctl addbr br1
# ip addr add 2001:41e0:ff38:ffff::2/64 dev br1
# ip link set br1 up
# ip addr show
.
.
.
8: br1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UNKNOWN
link/ether 0a:f2:4c:5f:bc:81 brd ff:ff:ff:ff:ff:ff
inet6 2001:41e0:ff38:ffff::2/64 scope global tentative
valid_lft forever preferred_lft forever
inet6 fe80::8f2:4cff:fe5f:bc81/64 scope link
valid_lft forever preferred_lft forever
strace dnsmasq ....
bind(6, {sa_family=AF_INET6, sin6_port=htons(53), inet_pton(AF_INET6,
"2001:41e0:ff38:ffff::2", &sin6_addr), sin6_flowinfo=0,
sin6_scope_id=8}, 28) = -1 EADDRNOTAVAIL (Cannot assign requested address)
EADDRNOTAVAIL is explicitly ignored in the code, presumably because this
sort of problem has happened before, though I don't remember the
details, and I didn't comment it at the time. Grrr.
Whilst fiddling around, I have another bridge interface with a global
IPv6 address, whihc works fine (no ADDRNOTAVAIL) I'm not sure what I did
to get it into that state.
Can you try strace dnsmasq -d, and confirm that you're seeing the same
problem?
I hate IPv6, it has (second system effect)++
Cheers,
Simon.
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