On Wed, Oct 24, 2007 at 03:25:44PM +0200, Romano Giannetti wrote:
>
> Hi,
>
> 2.6.23-rc1 fails for me. I have the sensation it is network-related, but
> I am not sure, so I send this message just to the list.
> This same failure was present in git-5734-gd85714d, I sent
> a message to the list but it seems it never arrived. I hope this will
> pass through. My system is a toshiba satellite A305-S5077, dual core pentium.
>
> The symptoms are quite strange. At boot, NetworkManager fails to activate
> my eth0 (r8169). Just stopping/restarting NM will make it works.
Denis V. Lunev wrote a patch for the NetworkManager thing a day or two
ago (which DaveM has queued).
Since netlink is involved in the traces you sent, this might do something
for the other too.
The patch I recieved follows:
> Revert to original netlink behavior. Do not reply with ACK if the
> netlink dump has bees successfully started.
> libnl has been broken by the cd40b7d3983c708aabe3d3008ec64ffce56d33b0
> The following command reproduce the problem:
> /nl-route-get 192.168.1.1
> Signed-off-by: Denis V. Lunev <[email protected]>
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 98e313e..44a8b41 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1565,7 +1565,10 @@ int netlink_dump_start(struct sock *ssk, struct sk_buff *skb,
netlink_dump(sk);
sock_put(sk);
- return 0;
+
+ /* We successfully started a dump, by returning -EINTR we
+ * signal not to send ACK even if it was requested */
+ return -EINTR;
}
void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err)
@@ -1619,17 +1622,21 @@ int netlink_rcv_skb(struct sk_buff *skb, int (*cb)(struct sk_buff *,
/* Only requests are handled by the kernel */
if (!(nlh->nlmsg_flags & NLM_F_REQUEST))
- goto skip;
+ goto ack;
/* Skip control messages */
if (nlh->nlmsg_type < NLMSG_MIN_TYPE)
- goto skip;
+ goto ack;
err = cb(skb, nlh);
-skip:
+ if (err == -EINTR)
+ goto skip;
+
+ack:
if (nlh->nlmsg_flags & NLM_F_ACK || err)
netlink_ack(skb, nlh, err);
+skip:
msglen = NLMSG_ALIGN(nlh->nlmsg_len);
if (msglen > skb->len)
msglen = skb->len;
--
Joseph Fannin
[email protected]
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