On Sat, 13 Jan 2007 05:44:39 -0800 [EMAIL PROTECTED] wrote:
http://bugzilla.kernel.org/show_bug.cgi?id=7817
Summary: commit edfe21a29b1dca9ce5a938317868066d2e21c385 breaks
IPv6 address autoconfiguration
Kernel Version: 2.6.19.2
Status: NEW
Severity: high
Owner: [EMAIL PROTECTED]
Submitter: [EMAIL PROTECTED]
Most recent kernel where this bug did *NOT* occur: 2.6.19.1
Distribution: Debian Testing
Hardware Environment: About 100 different x86 boxes
Software Environment: no special software involved, just the kernel. No
modules are loaded on the
affected machines (everything needed is built into the kernel)
Problem Description:
After booting kernel 2.6.19.2 on our machines they no longer do IPv6 address
autoconfiguration,
although router advertisments can be seen on that interface:
14:19:14.254410 fe80::212:1eff:fe08:e040 ip6-allnodes: icmp6: router
advertisement(chlim=64,
pref=medium, router_ltime=1800, reachable_time=0, retrans_time=0)(src lladdr:
00:12:1e:08:e0:40)
[ndp opt] (len 56, hlim 255)
ip -6 addr output is:
1: eth0: BROADCAST,MULTICAST,UP,1 mtu 1500 qlen 1000
inet6 fe80::209:3dff:fe10:ccda/64 scope link
valid_lft forever preferred_lft forever
2: eth1: BROADCAST,MULTICAST,UP,1 mtu 1500 qlen 1000
inet6 fe80::209:3dff:fe10:ccdb/64 scope link
valid_lft forever preferred_lft forever
3: lo: LOOPBACK,UP,1 mtu 16436
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
(eth0 sees the advertisments)
Manually setting the address and default-route works.
Reverting commit edfe21a29b1dca9ce5a938317868066d2e21c385 fixes this problem.
Steps to reproduce:
1. Upgrade to 2.6.19.2
2. Configure an interface for IPv4
3. The linklocal IPv6 address for the interface appears in ip -6 addr
4. Wait for a router advertisment
5. No Global IPv6 address and no IPv6 default route is set
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