<div dir="ltr">I assume that you wanted other people to report their status? Working here:<br><div><div><br>root@outpost:~# cat /etc/openwrt_release<br>DISTRIB_ID="CeroWrt"<br>DISTRIB_RELEASE="3.10.34-4"<br>
DISTRIB_REVISION="r40361"<br>DISTRIB_CODENAME="toronto"<br>DISTRIB_TARGET="ar71xx/generic"<br>DISTRIB_DESCRIPTION="CeroWrt Toronto 3.10.34-4"<br>DISTRIB_TAINTS="no-all busybox"<br>
<br>root@outpost:~# uptime<br> 22:52:44 up 2 days, 11:16, load average: 0.00, 0.01, 0.04<br><br>root@outpost:~# egrep -i "country|channel|htmode" /etc/config/wireless<br> option channel 11<br> option htmode HT40-<br>
option channel 36<br> option htmode HT40+<br><div class="gmail_extra"><br clear="all"><div>-- <br>David P.</div>
<br><br><br><div class="gmail_quote">On Sat, Apr 5, 2014 at 12:33 PM, Dave Taht <span dir="ltr"><<a href="mailto:dave.taht@gmail.com" target="_blank">dave.taht@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
The above subject line and cc will get this conversation into<br>
the bug tracker.<br>
<br>
<br>
---------- Forwarded message ----------<br>
From: Dave Taht <<a href="mailto:dave.taht@gmail.com">dave.taht@gmail.com</a>><br>
Date: Sat, Apr 5, 2014 at 9:15 AM<br>
Subject: Re: [Cerowrt-devel] cerowrt-3.10.34-4 dev build released<br>
To: Neil Shepperd <<a href="mailto:nshepperd@gmail.com">nshepperd@gmail.com</a>><br>
Cc: "<a href="mailto:cerowrt-devel@lists.bufferbloat.net">cerowrt-devel@lists.bufferbloat.net</a>" <<a href="mailto:cerowrt-devel@lists.bufferbloat.net">cerowrt-devel@lists.bufferbloat.net</a>><br>
<br>
<br>
In_trying_to_sort_out_the_differences_between_the_people<br>
working_wifi_for_long_periods,vs_those_without...<br>
<br>
I_am_curious_if_your_country<br>
code_is_set,and_what_it_is_set_to,and_your_wifi_channel_set<br>
<br>
It_is_long_past_time_we_start_up_a_formal_bug_for_this,<br>
but_I'll_wait_for_my_spacebar.<br>
<br>
In_a_known_pretty_good_case:<br>
<br>
root@lorna-gw:~# cat /etc/openwrt_release<br>
DISTRIB_ID="CeroWrt"<br>
DISTRIB_RELEASE="3.10.32-9"<br>
DISTRIB_REVISION="r39917"<br>
DISTRIB_CODENAME="toronto"<br>
DISTRIB_TARGET="ar71xx/generic"<br>
DISTRIB_DESCRIPTION="CeroWrt Toronto 3.10.32-9"<br>
DISTRIB_TAINTS="no-all busybox"<br>
<br>
root@lorna-gw:~# uptime<br>
16:07:37 up 21 days, 21:35, load average: 0.00, 0.01, 0.04<br>
<br>
root@lorna-gw:~# egrep -i "country|channel|htmode" /etc/config/wireless<br>
option channel 11<br>
option htmode HT20<br>
option channel '44'<br>
option htmode HT40+<br>
option country 'US'<br>
<br>
<br>
On Sat, Apr 5, 2014 at 9:02 AM, Dave Taht <<a href="mailto:dave.taht@gmail.com">dave.taht@gmail.com</a>> wrote:<br>
> On Sat, Apr 5, 2014 at 5:49 AM, Neil Shepperd <<a href="mailto:nshepperd@gmail.com">nshepperd@gmail.com</a>> wrote:<br>
>>> Sounds like you are going to stick with -4 for a bit?<br>
>><br>
>> Actually, this is the first time I've tried cerowrt on a router. But<br>
>> yeah, I'll stick with the current version unless you come out with a new<br>
>> patch to try.<br>
><br>
> Thx. I am hoping this is the *last* priority 1 bug cerowrt has.<br>
><br>
> but_fixing_it_is_going_to_be_pita.<br>
><br>
> I_confess_to_"embedded_fatigue".<br>
><br>
>>> what I've been doing is mounting a usb stick, and just running continuously<br>
>>> on the stick<br>
>>><br>
>>> tcpdump -s 128 -i ge00 -w ge00.cap &<br>
>>> tcpdump -s 128 -i sw00 -w sw00.cap &<br>
>>><br>
>>> This definately hurts performance...<br>
>>><br>
>>> And it's probably time to do a tcpdump on the connected device as well.<br>
>>><br>
>><br>
>> Update: I did this, and experienced the hang again. A first look at the<br>
>> tcpdump output on sw00 shows a sudden reduction in traffic at 20:40:54,<br>
>> so I assume that's probably the time of the event. After that, I see<br>
>> many DHCP and ARP requests arriving, but no responses leaving the interface.<br>
><br>
> It_would_be_nice_to_see_10sec_of_these_captures_before_and_after.<br>
><br>
>><br>
>> In fact, I don't see anything leaving except, oddly, some DNS responses<br>
>> (which are indeed received by my laptop). I also see some EAPOL stuff on<br>
>> both the router and laptop at roughly the same time, so I guess that's<br>
>> getting through, but I don't know the direction.<br>
>><br>
>> I think next time I'll try with -Pin/-Pout to separate incoming and<br>
>> outgoing packets properly...<br>
><br>
> Tis easier_to_sort_in_wireshark_against_one_capture,IMHO.<br>
><br>
> I_have_been_looking_for_failed_syn_attempts_and_retries_as_a_key_indicator<br>
> that_something_Bad_happened.<br>
><br>
>>> Hmm. OK, this brings back the device driver into the equation... I<br>
>>> WAS seeing dhcp and arp requests "getting through" from the captures,<br>
>>> and it seemed like arp in particular was getting through...<br>
>><br>
>> So I guess this is only half right? What I see in syslog is dnsmasq<br>
>> saying it has sent a packet, but it doesn't make it onto the interface.<br>
>> Apart from DNS packets, so I don't know what to make of that.<br>
><br>
> It_is_possible_there_are_a_variety_of_failure_modes.<br>
><br>
> I_am_not_entirely_convinced_this_is_actually_a_wifi_specific_failure.<br>
><br>
> can_you_try_ssh_to_the_router_during_a_failure,and/or_accessing<br>
> the_web_admin_interface?and/or_trying_to<br>
><br>
> if_you_are_not_using_babel_disable_it.It_makes_a_lot_of_updates<br>
> to_the_routing_table.that_might_be_malfunctioning..<br>
><br>
> (I_really_need_a_keyboard_that_recovers_from_damp_weather.)<br>
><br>
>> Neil<br>
><br>
><br>
><br>
> --<br>
> Dave Täht<br>
><br>
> Fixing bufferbloat with cerowrt: <a href="http://www.teklibre.com/cerowrt/subscribe.html" target="_blank">http://www.teklibre.com/cerowrt/subscribe.html</a><br>
<br>
<br>
<br>
--<br>
Dave Täht<br>
<br>
Fixing bufferbloat with cerowrt: <a href="http://www.teklibre.com/cerowrt/subscribe.html" target="_blank">http://www.teklibre.com/cerowrt/subscribe.html</a><br>
<span class="HOEnZb"><font color="#888888"><br>
<br>
--<br>
Dave Täht<br>
<br>
Fixing bufferbloat with cerowrt: <a href="http://www.teklibre.com/cerowrt/subscribe.html" target="_blank">http://www.teklibre.com/cerowrt/subscribe.html</a><br>
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</font></span></blockquote></div><br></div></div></div></div>