Patrick McHardy a écrit :
Patrick McHardy wrote:
François Valenduc wrote:
I did the bisection again, this time on the whole tree and the first
bad commit is again the one I mentioned previously:
175f9c1bba9b825d22b142d183c9e175488b260c is first bad commit
commit 175f9c1bba9b825d22b142d183c9e175488b260c
Author: Jussi Kivilinna <jussi.kivilinna@xxxxxxxx>
Date: Sun Jul 20 00:08:47 2008 -0700
net_sched: Add size table for qdiscs
Add size table functions for qdiscs and calculate packet size in
qdisc_enqueue().
Based on patch by Patrick McHardy
http://marc.info/?l=linux-netdev&m=115201979221729&w=2
This time, I didn't encounter kernels which didn't compile. So, I
didn't use git-reset or git-bisect skip.
I think I know whats happening (Jussi CCed). That commit introduced
a qdisc_skb_cb, which conflicts with the mac80211 usage of skb->cb.
mac80211 seems to expect the CB to survive the qdisc layer, which
is wrong. One possibility to fix this (or just test my theory)
would be to make sure they don't clash by adding the struct
ieee80211_tx_info to qdisc_skb_cb->data. Something like this patch.
> +#include <net/sched_generic.h>
That should be sch_generic.h.
I tested your last patch. Unfortunately, I get the following compile error:
In file included from net/mac80211/main.c:11:
include/net/mac80211.h: In function ‘IEEE80211_SKB_CB’:
include/net/mac80211.h:347: erreur: size of array ‘type name’ is negative
François
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