debugging 802.11s
Keir
keirlawson at gmail.com
Wed Nov 12 16:21:22 EST 2008
Yes, the mesh appears to be working (IE I managed to ping from each node to
the other), I am using commit d059b2aed9e93cb94364e01374bca90ce3dc0ef9 as
you suggested.
Cheers
Keir
2008/11/12 Andrey Yurovsky <andrey at cozybit.com>
> Hi Keir, no problem. So just to be clear:
> 1) does mesh work for you?
> 2) what git commit are you using?
>
> Thanks!
>
> -Andrey
>
> On Wed, Nov 12, 2008 at 8:25 AM, Keir <keirlawson at gmail.com> wrote:
> > Apologies, I've made a fool of myself, my firewall was blocking the pings
> > all along :-P *embarrassed*
> >
> > Sorry for waisting your time
> >
> > Keir
> >
> > 2008/11/12 Keir <keirlawson at gmail.com>
> >>
> >> Still no luck, still getting the sendmsg permission denied error on one
> >> box, the other box ping is just timing out. How does o11s play with 11g
> or
> >> b networks? could that be the problem? arp shows that it's managed to
> map
> >> IPs to MACs correctly, when I do a station dump both stations now have
> plink
> >> status of ESTAB. I'm going to start sticking printks about the mesh
> code,
> >> unless there is something more useful I can do?
> >>
> >> Cheers
> >>
> >> Keir
> >>
> >> 2008/11/11 Andrey Yurovsky <andrey at cozybit.com>
> >>>
> >>> d059b2aed9e93cb94364e01374bca90ce3dc0ef9 should work and I would
> >>> suspect that it's broken some time after. Can you try that one?
> >>>
> >>> On Tue, Nov 11, 2008 at 1:26 PM, Keir <keirlawson at gmail.com> wrote:
> >>> > 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=
> 10.0.0.2
> >>> >> > LEN=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=
> 10.0.0.2
> >>> >> > LEN=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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