[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1023174
Title:
"ip -6 addr flush" flushes much more than just the addresses
Status in linux package in Ubuntu:
Expired
Bug description:
root@testv6-tester:~# ls /proc/sys/net/ipv*/conf/
/proc/sys/net/ipv4/conf/:
all default eth0 lo sit0
/proc/sys/net/ipv6/conf/:
all default eth0 lo sit0
root@testv6-tester:~# ip addr flush dev eth0
root@testv6-tester:~# ls /proc/sys/net/ipv*/conf/
/proc/sys/net/ipv4/conf/:
all default eth0 lo sit0
/proc/sys/net/ipv6/conf/:
all default lo sit0
This results in no IPv6 connectivity on the interface and no obvious way to
get it back to working condition other than destroying and recreating the
interface (usually by rebooting).
I reproduced this on the stable 12.04 kernel (3.2.0-26-generic) as well as
12.10 (3.5.0-3-generic).
This is currently breaking ipv6 connectivity for some dual-stack
setups in debian-installer though only for Ubuntu 12.10 (because the
flush call was ipv4-specific in 12.04). I'll workaround the issue in
d-i, but this bug should really be looked into.
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