linux-kernel-test/net
Michael Buesch a860402d8f mac80211: quiet beacon loss messages
On Sunday 05 April 2009 11:29:38 Michael Buesch wrote:
> On Sunday 05 April 2009 11:23:59 Jaswinder Singh Rajput wrote:
> > With latest linus tree I am getting, .config file attached:
> >
> > [   22.895051] r8169: eth0: link down
> > [   22.897564] ADDRCONF(NETDEV_UP): eth0: link is not ready
> > [   22.928047] ADDRCONF(NETDEV_UP): wlan0: link is not ready
> > [   22.982292] libvirtd used greatest stack depth: 4200 bytes left
> > [   63.709879] wlan0: authenticate with AP 00:11:95:9e:df:f6
> > [   63.712096] wlan0: authenticated
> > [   63.712127] wlan0: associate with AP 00:11:95:9e:df:f6
> > [   63.726831] wlan0: RX AssocResp from 00:11:95:9e:df:f6 (capab=0x471 status=0 aid=1)
> > [   63.726855] wlan0: associated
> > [   63.730093] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
> > [   74.296087] wlan0: no IPv6 routers present
> > [   79.349044] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [  119.358200] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [  179.354292] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [  259.366044] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [  359.348292] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [  361.953459] packagekitd used greatest stack depth: 4160 bytes left
> > [  478.824258] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [  598.813343] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [  718.817292] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [  838.824567] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [  958.815402] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [ 1078.848434] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [ 1198.822913] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [ 1318.824931] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [ 1438.814157] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [ 1558.827336] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [ 1678.823011] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [ 1798.830589] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [ 1918.828044] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [ 2038.827224] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [ 2116.517152] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [ 2158.840243] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [ 2278.827427] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
>
>
> I think this message should only show if CONFIG_MAC80211_VERBOSE_DEBUG is set.
> It's kind of expected that we lose a beacon once in a while, so we shouldn't print
> verbose messages to the kernel log (even if they are KERN_DEBUG).
>
> And besides that, I think one can easily remotely trigger this message and flood the logs.
> So it should probably _also_ be ratelimited.

Something like this:

Signed-off-by: Michael Buesch <mb@bu3sch.de>
2009-04-16 10:39:14 -04:00
..
9p 9p: fix sparse warning: cast adds address space 2009-02-26 23:13:32 -08:00
802 tr: fix leakage of device in net/802/tr.c 2009-04-11 01:43:17 -07:00
8021q gro: Normalise skb before bypassing GRO on netpoll VLAN path 2009-04-13 15:44:50 -07:00
appletalk proc 2/2: remove struct proc_dir_entry::owner 2009-03-31 01:14:44 +04:00
atm proc 2/2: remove struct proc_dir_entry::owner 2009-03-31 01:14:44 +04:00
ax25 Revert "ax25: zero length frame filtering in AX25" 2009-03-27 17:23:42 -07:00
bluetooth proc tty: remove struct tty_operations::read_proc 2009-04-01 08:59:10 -07:00
bridge Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-03-26 01:22:01 -07:00
can proc 2/2: remove struct proc_dir_entry::owner 2009-03-31 01:14:44 +04:00
core gro: Restore correct value to gso_size 2009-04-14 15:11:06 -07:00
dcb DCB: fix kfree(skb) 2009-01-04 17:29:21 -08:00
dccp dccp: Do not let initial option overhead shrink the MPS 2009-03-02 03:07:23 -08:00
decnet net/*: use linux/kernel.h swap() 2009-03-21 13:36:17 -07:00
dsa dsa: add switch chip cascading support 2009-03-21 19:06:54 -07:00
econet net: convert usage of packet_type to read_mostly 2009-03-10 05:22:43 -07:00
ethernet eth: Declare an optimized compare_ether_addr_64bits() function 2008-11-23 23:24:32 -08:00
ipv4 tcp: fix >2 iw selection 2009-04-14 02:08:53 -07:00
ipv6 ipv6:remove useless check 2009-04-14 02:21:41 -07:00
ipx ipx: use constant for strings and desciptor 2009-03-21 19:06:51 -07:00
irda proc tty: switch ircomm to ->proc_fops 2009-04-01 08:59:10 -07:00
iucv iucv: remove some pointless conditionals before kfree_skb() 2009-02-26 23:07:37 -08:00
key af_key: remove some pointless conditionals before kfree_skb() 2009-02-26 23:07:32 -08:00
lapb
llc proc 2/2: remove struct proc_dir_entry::owner 2009-03-31 01:14:44 +04:00
mac80211 mac80211: quiet beacon loss messages 2009-04-16 10:39:14 -04:00
netfilter netfilter: ctnetlink: fix regression in expectation handling 2009-04-06 17:47:20 +02:00
netlabel netlabel: Cleanup the Smack/NetLabel code to fix incoming TCP connections 2009-03-28 15:01:37 +11:00
netlink Merge branch 'master' of /home/davem/src/GIT/linux-2.6/ 2009-03-26 15:23:24 -07:00
netrom Revert "netrom: zero length frame filtering in NetRom" 2009-03-27 17:22:55 -07:00
packet packet: avoid warnings when high-order page allocation fails 2009-04-15 03:39:52 -07:00
phonet trivial: fix typos/grammar errors in Kconfig texts 2009-03-30 15:22:01 +02:00
rds RDS: Use spinlock to protect 64b value update on 32b archs 2009-04-02 00:52:22 -07:00
rfkill net/rfkill/rfkill.c: fix unused rfkill_led_trigger() warning 2009-01-04 17:11:24 -08:00
rose Revert "rose: zero length frame filtering in af_rose.c" 2009-04-14 20:28:00 -07:00
rxrpc RxRPC: Fix a potential NULL dereference 2009-02-06 21:50:52 -08:00
sched netsched: Allow meta match on vlan tag on receive 2009-04-13 18:12:57 -07:00
sctp proc 2/2: remove struct proc_dir_entry::owner 2009-03-31 01:14:44 +04:00
sunrpc Merge branch 'for-2.6.30' of git://linux-nfs.org/~bfields/linux 2009-04-06 13:25:56 -07:00
tipc tipc: fix non-const printf format arguments 2009-03-18 19:11:29 -07:00
unix New helper - current_umask() 2009-03-31 23:00:26 -04:00
wanrouter wanrouter: fix sparse warnings: context imbalance 2009-02-26 23:13:36 -08:00
wimax trivial: fix typos/grammar errors in Kconfig texts 2009-03-30 15:22:01 +02:00
wireless cfg80211: fix NULL pointer deference in reg_device_remove() 2009-04-16 10:39:01 -04:00
x25 af_rose/x25: Sanity check the maximum user frame size 2009-03-27 00:28:21 -07:00
xfrm xfrm: spin_lock() should be spin_unlock() in xfrm_state.c 2009-03-27 00:23:04 -07:00
compat.c net: socket infrastructure for SO_TIMESTAMPING 2009-02-15 22:43:35 -08:00
Kconfig trivial: fix typos/grammar errors in Kconfig texts 2009-03-30 15:22:01 +02:00
Makefile RDS: Kconfig and Makefile 2009-02-26 23:43:35 -08:00
nonet.c
socket.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2009-04-06 18:05:43 -07:00
sysctl_net.c net: sysctl_net - use net_eq to compare nets 2009-03-16 16:23:30 +01:00
TUNABLE