debugging 802.11s

Keir keirlawson at gmail.com
Tue Nov 11 16:26:50 EST 2008


Erm, if I knew what git-bisect was ;-) (still havent got git fully worked
out) what commit would you recommend I try?

Cheers

Keir

2008/11/11 Andrey Yurovsky <andrey at cozybit.com>

> Hi Keir.  I just rebuilt the latest wireless-testing and ath5k isn't
> working for me either (in fact I don't even see beacons on the air).
> Perhaps a recent regression?  Do you have time to git-bisect this or
> at least try an earlier commit?  Thanks,
>
>  -Andrey
>
> On Tue, Nov 11, 2008 at 8:58 AM, Keir <keirlawson at gmail.com> wrote:
> > I also spotted this in dmesg:
> >
> > [ 3603.303963] ath5k phy0: beacon queue 7 didn't stop?
> > [ 3605.761677] ath5k phy0: beacon queue 7 didn't stop?
> > [ 3656.554337] ath5k phy0: beacon queue 7 didn't stop?
> > [ 3657.280923] Inbound IN=eth1 OUT=
> > MAC=00:90:27:43:08:2a:00:10:b5:e8:04:d3:08:00 SRC=192.168.0.251
> > DST=192.168.0.1 LEN=328 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP
> SPT=68
> > DPT=67 LEN=308
> > [ 3763.209246] Unknown OutputIN= OUT=mesh0 SRC=10.0.0.1 DST=10.0.0.2LEN=84
> > TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=ICMP TYPE=8 CODE=0 ID=44569 SEQ=1
> > [ 3764.218103] Unknown OutputIN= OUT=mesh0 SRC=10.0.0.1 DST=10.0.0.2LEN=84
> > TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=ICMP TYPE=8 CODE=0 ID=44569 SEQ=2
> >
> > Just after attempting to ping from one to the other.
> >
> > Keir
> >
> > 2008/11/11 Keir <keirlawson at gmail.com>
> >>
> >>> Hi Keir.  With NetworkManager not running, can you try things again
> >>> from the top?
> >>>
> >>> 1) reload the driver
> >>> # modprobe -r ath5k
> >>> # modprobe ath5k
> >>>
> >>> 2) bring up your mesh interfaces, ex:
> >>> # iw dev wlan0 interface add mesh0 type mp mesh_id mymesh
> >>> # ifconfig mesh0 up
> >>> # ifconfig mesh0 10.0.0.1
> >>> (etc)
> >>>
> >>> ...and then ping again?
> >>> # ping -c 2 -I mesh0 10.0.0.2
> >>
> >> I get the same error as before :-(
> >>>
> >>> Also, what's the git tag for your kernel (see Luis' instructions on
> >>> how to obtain this via git-describe).  Thanks,
> >>
> >>
> >> keir at dave:~/Desktop/Code/wireless-testing$ git describe
> >> v2.6.28-rc2-4151-g43288a0
> >> keir at dave:~/Desktop/Code/wireless-testing$ git tag -l| grep master |
> tail
> >> -1
> >> master-2008-10-27
> >>
> >> station dump looks like:
> >> root at dave:/home/keir/Desktop/Code/iw-0.9.6# ./iw dev mesh0 station dump
> >> Station 00:18:4d:7a:51:70 (on mesh0)
> >>     inactive time:    320 ms
> >>     rx bytes:    27301
> >>     tx bytes:    13844
> >>     mesh llid:    1378
> >>     mesh plid:    30482
> >>     mesh plink:    HOLDING
> >>
> >> Any ideas?
> >>
> >> Cheers
> >>
> >> Keir
> >
>
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