Random reboots new driver

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athurdent
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PostPosted: Mon Oct 13, 2014 12:47    Post subject: Reply with quote
I hope wwcsig still has his serial console cable connected, after reading Kong's ceasing development notice I removed the cable and closed the case.
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wwcsig
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Joined: 18 Sep 2014
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PostPosted: Mon Oct 13, 2014 14:37    Post subject: Reply with quote
athurdent wrote:
I hope wwcsig still has his serial console cable connected, after reading Kong's ceasing development notice I removed the cable and closed the case.


It's all still hooked up and I'm ready to run whatever is thrown my way. Anything I can do to help to fix this, let me know.
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<Kong>
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Joined: 15 Dec 2010
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PostPosted: Mon Oct 13, 2014 18:01    Post subject: Reply with quote
earthmind wrote:
I was afraid of that, because there are similar issues on the Atheros side as well. Crying or Very sad


What you guys could try however, if you look at the crashlog, you see one of the last functions before the crash occurs is:

wlc_sendampdu

thus I'd give this a try:

nvram set wl0_ampdu=off
nvram set wl1_ampdu=off
nvram commit
reboot

I think this will not help, I have a feeling that maybe:

nvram set wl0_wme_no_ack=on
nvram set wl1_wme_no_ack=on
nvram commit
reboot

could make a difference.
Anyways without seeing the code inside wlc_d11hdrs it is just guessing.
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Anti-Ultimate
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Joined: 11 Oct 2014
Posts: 51
PostPosted: Mon Oct 13, 2014 18:20    Post subject: Reply with quote
I always had this bug. Now after returning to DD-WRT from a Netgear Beta firmware, this doesn't happen anymore. Router has been running stable for 30 Minutes now, even with my iPhone connected to the Network and a NAS running.

Using R25090M btw. So no old drivers.

Shocked
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slidermike
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Joined: 11 Nov 2013
Posts: 1487
Location: USA
PostPosted: Mon Oct 13, 2014 18:21    Post subject: Reply with quote
I re-enabled my 2.4 WMM & via command line applied the commands you suggested might be worth trying Kong.

I will post back if I see it randomly reboot or not over the next day or two.
Usually for me it is once a day.

Quote:
I think this will not help, I have a feeling that maybe:

nvram set wl0_wme_no_ack=on
nvram set wl1_wme_no_ack=on
nvram commit
reboot

could make a difference.

_________________
Router currently owned:
Netgear R7800 - Router
Netgear R7000 - AP mode

R7000 specific Tips/Tricks.
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=264152
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wwcsig
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Joined: 18 Sep 2014
Posts: 20
PostPosted: Mon Oct 13, 2014 22:13    Post subject: Reply with quote
<Kong> wrote:
earthmind wrote:
I was afraid of that, because there are similar issues on the Atheros side as well. Crying or Very sad


What you guys could try however, if you look at the crashlog, you see one of the last functions before the crash occurs is:

wlc_sendampdu

thus I'd give this a try:

nvram set wl0_ampdu=off
nvram set wl1_ampdu=off
nvram commit
reboot

I think this will not help, I have a feeling that maybe:

nvram set wl0_wme_no_ack=on
nvram set wl1_wme_no_ack=on
nvram commit
reboot

could make a difference.
Anyways without seeing the code inside wlc_d11hdrs it is just guessing.


Rebooted with 25100M and

nvram set wl0_ampdu=off
nvram set wl1_ampdu=off
nvram set wl_ampdu=off

my usual crash didn't happen right away. So maybe there is hope.
There are also more ampdu related flags which I have left untouched so far:

wl1_rx_amsdu_in_ampdu=auto
wl0_ampdu=off
wl_ampdu=off
wl_rx_amsdu_in_ampdu=auto
wl1_ampdu=off
wl0_rx_amsdu_in_ampdu=auto

will report later how things stand. So far wayyyy too promising to believe them Smile
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earthmind
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Joined: 25 May 2008
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PostPosted: Mon Oct 13, 2014 23:02    Post subject: Reply with quote
What does wl0_ampdu=off do?

I found wl0_ampdu=auto flags on google.
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wgentine
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Joined: 03 Dec 2013
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Location: Walldorf/DE
PostPosted: Tue Oct 14, 2014 0:21    Post subject: Reply with quote
@earthmind

Ampdu is a frame aggregation protocol contained in 802.11n spec.

This spec states communication can be done through aggregation via AMPDU or AMSDU. AMPDU has less overhead.
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earthmind
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PostPosted: Tue Oct 14, 2014 0:42    Post subject: Reply with quote
Cryptic interaction with wl_ampdu=off

Sounds like a problem with wireless-N negotiation, yet again
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wgentine
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Location: Walldorf/DE
PostPosted: Tue Oct 14, 2014 10:03    Post subject: Reply with quote
isn't this parameter available just for a specific interface? so you could turn it off just for 2.4 radio.
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wwcsig
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Joined: 18 Sep 2014
Posts: 20
PostPosted: Tue Oct 14, 2014 12:12    Post subject: Reply with quote
wwcsig wrote:

There are also more ampdu related flags which I have left untouched so far:

wl1_rx_amsdu_in_ampdu=auto
wl0_ampdu=off
wl_ampdu=off
wl_rx_amsdu_in_ampdu=auto
wl1_ampdu=off
wl0_rx_amsdu_in_ampdu=auto



"rock-solid" so far, 14 hours uptime are unheard of. However my nexus5 loses wifi on the 2.4GHz band frequently. Not sure if that's related. If it stays up until tonight I'll turn the flags back to auto to see if the crashes come back right away.
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earthmind
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Joined: 25 May 2008
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PostPosted: Tue Oct 14, 2014 17:28    Post subject: Reply with quote
Are you connecting on 2.4 or 5 with your Nexus 5?

So, either the router or your Nexus 5 takes a hit?
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slidermike
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Joined: 11 Nov 2013
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Location: USA
PostPosted: Tue Oct 14, 2014 17:30    Post subject: Reply with quote
wgentine wrote:
isn't this parameter available just for a specific interface? so you could turn it off just for 2.4 radio.

yes that's what the wl0 (2.4) & wl1 (5) are for.
Each radio is its own hardware.
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Router currently owned:
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R7000 specific Tips/Tricks.
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=264152
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lyuan
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Joined: 05 Apr 2011
Posts: 85
PostPosted: Tue Oct 14, 2014 18:59    Post subject: Reply with quote
How many people are trying this other than wwcsig? Any reports? Do you guys need more testers for this?

L.
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earthmind
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Joined: 25 May 2008
Posts: 96
PostPosted: Tue Oct 14, 2014 19:01    Post subject: Reply with quote
Testers are needed with the console access, to dump the crash log.

Without console access, you could try the firmware with or without certain settings, then feed back the results here. That would still shed some light.
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