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[Xen-bugs] [Bug 71] New: IPv6 support broken in xenU

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Subject: [Xen-bugs] [Bug 71] New: IPv6 support broken in xenU
From: bugzilla-daemon@xxxxxxxxxxxxxxxxxxx
Date: Mon, 06 Jun 2005 11:37:26 +0000
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           Summary: IPv6 support broken in xenU
           Product: Xen
           Version: unstable
          Platform: x86
        OS/Version: Linux-2.6
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Guest-OS
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: berni@xxxxxxxxxxxxx

I don't know whether I should open bugs for unstable already, I need to run that
because my NIC (Marvell Yukon) needs ACPI to run which isn't available in 2.0.

I'm running Xen 3.0-devel snapshot of 2005-06-04 (the latest changeset in
Changelog is 1.1671) on AMD Athlon64 in 32bit mode. Both xen0 and xenU run
Ubuntu Hoary. While IPv6 works in xen0 as expected, it seems to be broken in 

It is compiled into the kernel statically and is loaded on startup

NET: Registered protocol family 10
IPv6 over IPv4 tunneling driver
NET: Registered protocol family 17

The IPv6-related sysctl-flags are available. But the xenU doesn't set any IPv6
addresses on the interfaces (it should set link-local addresses in fe80:: at
startup on every interface, plus ::1/128 for the loopback, plus automatically
configured global address on the ethernet). When you try to set an IPv6-address
on the ethernet manually the following error is reported

# ip -6 addr add 2001:a60:f001:1::1234/64 dev eth0
RTNETLINK answers: Cannot allocate memory

I will try with 2.0.6 and 2.0-testing later, but since my NIC isn't available
there I need to be at the console of this box.

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