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Too many MCU messages #142

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mdsohailahmad opened this Issue Jan 22, 2018 · 12 comments

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@mdsohailahmad
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mdsohailahmad commented Jan 22, 2018

Hi I am getting to many these messages. I will appreciate if one can point me to the exact fix.
[ 627.722655] MCU message 31 (seq 4) timed out
[ 628.443951] MCU message 31 (seq 5) timed out
[ 629.161805] MCU message 31 (seq 6) timed out
[ 629.886893] MCU message 31 (seq 7) timed out
[ 630.608587] MCU message 31 (seq 8) timed out
[ 631.328344] MCU message 31 (seq 9) timed out
[ 632.048735] MCU message 31 (seq 10) timed out
[ 632.768757] MCU message 31 (seq 11) timed out
[ 633.493920] MCU message 31 (seq 12) timed out
[ 634.216493] MCU message 31 (seq 13) timed out
[ 634.940194] MCU message 31 (seq 14) timed out
[ 635.670144] MCU message 31 (seq 15) timed out
[ 636.392369] MCU message 31 (seq 1) timed out
[ 637.125573] MCU message 31 (seq 2) timed out
[ 637.887099] MCU message 31 (seq 3) timed out
[ 638.612095] MCU message 31 (seq 4) timed out
[ 639.336311] MCU message 31 (seq 5) timed out
[ 640.090168] MCU message 31 (seq 6) timed out
[ 640.815029] MCU message 31 (seq 7) timed out
[ 641.577323] MCU message 31 (seq 8) timed out
[ 642.296622] MCU message 31 (seq 9) timed out
[ 643.207889] MCU message 31 (seq 10) timed out
[ 643.970049] MCU message 31 (seq 11) timed out
[ 644.693206] MCU message 31 (seq 12) timed out
[ 645.415252] MCU message 31 (seq 13) timed out
[ 646.138283] MCU message 31 (seq 14) timed out
[ 646.863635] MCU message 31 (seq 15) timed out
[ 647.586981] MCU message 31 (seq 1) timed out
[ 648.492355] MCU message 31 (seq 2) timed out
[ 649.214227] MCU message 31 (seq 3) timed out
[ 649.936770] MCU message 31 (seq 4) timed out

@ngkaho1234

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ngkaho1234 commented Jan 25, 2018

Hi all,
I can confirm this on my R6220. The bug can be easily triggered here when I am watching on YouTube.

Build: [ 0.000000] Linux version 4.9.67 (buildbot@builds) (gcc version 5.5.0 (OpenWrt GCC 5.5.0 r5484-69d22a6) ) #0 SMP Fri Dec 8 21:34:31 2017
r6220.log

Whenever this happens, the wireless connection drops and I have to resort to rebooting the device.

@Mushoz

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Mushoz commented Mar 23, 2018

Seeing the same thing on my Dir-860l B1 router running Lede 17.01.4. It was caused by heavy WLAN activity. Setting igmp_snooping to 1 in my lan bridge in /etc/config/network fixed the issue by removing the heavy load from the WLAN. I am not sure whether these messages are normal under these circumstances, but if either of you are using multicast traffic on your network, please try enabling igmp_snooping to see if this fixes the issue.

@mastum

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mastum commented Apr 14, 2018

Hi, I also have the same problem with DIR-860L B1 and OpenWrt SNAPSHOT r6671-f5195e7 / LuCI Master (git-18.101.21196-d488681).

[  898.861139] mt76x2e 0000:02:00.0: MCU message 31 (seq 14) timed out
[179095.316804] mt76x2e 0000:02:00.0: MCU message 31 (seq 10) timed out
[179097.396788] mt76x2e 0000:02:00.0: MCU message 31 (seq 11) timed out
[179125.796796] mt76x2e 0000:02:00.0: MCU message 31 (seq 7) timed out
[179127.876773] mt76x2e 0000:02:00.0: MCU message 31 (seq 8) timed out
[179129.956764] mt76x2e 0000:02:00.0: MCU message 31 (seq 9) timed out
[179216.276758] mt76x2e 0000:02:00.0: MCU message 31 (seq 1) timed out

When it happens also the traffic of the 2.4 stops.

@Mushoz thanks I will try with option igmp_snooping 1

@nbd168

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nbd168 commented Apr 15, 2018

Please try the latest version

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mastum commented Apr 17, 2018

For me is fixed, thanks nbd!

@easyteacher

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easyteacher commented Jun 14, 2018

The latest version of mt76 driver are getting these messages again. 2 months ago that was fine.

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mastum commented Jun 14, 2018

I confirm, with OpenWrt 18.06-SNAPSHOT r7009 and DIR-860L B1 I have some messages (5 days uptime)
[120309.687068] mt76x2e 0000:02:00.0: MCU message 31 (seq 6) timed out
[195420.772135] mt76x2e 0000:02:00.0: MCU message 31 (seq 2) timed out
[195480.692097] mt76x2e 0000:02:00.0: MCU message 31 (seq 13) timed out
[306688.529047] mt76x2e 0000:02:00.0: MCU message 31 (seq 6) timed out

Not happend with Xiaomi 3G but with this router I have another problem (2.4 GHz unstable).

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nbd168 commented Jun 18, 2018

Please try the latest version, it should be better now.

@easyteacher

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easyteacher commented Jun 18, 2018

5G wifi is very stable now. Thanks nbd!

@nbd168 nbd168 closed this Jun 18, 2018

@mastum

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mastum commented Jun 18, 2018

I have no more messages, too.
Thanks for your work nbd.

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mastum commented Jun 27, 2018

DIR-860L B1 - Uptime 2d 3h 57m 14s
OpenWrt 18.06-SNAPSHOT r7102-3f3a2c9 / LuCI openwrt-18.06 branch (git-18.163.60998-c379f00)

[   27.842429] br-lan: port 2(wlan0) entered blocking state
[   27.853080] br-lan: port 2(wlan0) entered forwarding state
[  353.525389] pppoe-wan: renamed from ppp0
[44137.037406] mt76x2e 0000:01:00.0: MCU message 31 (seq 13) timed out
[59562.303038] mt76x2e 0000:01:00.0: MCU message 31 (seq 14) timed out
[71716.776350] mt76x2e 0000:01:00.0: MCU message 31 (seq 13) timed out
[78258.375002] mt76x2e 0000:01:00.0: MCU message 31 (seq 13) timed out
[100555.161997] mt76x2e 0000:01:00.0: MCU message 31 (seq 6) timed out
[103645.960428] mt76x2e 0000:01:00.0: MCU message 31 (seq 3) timed out
[103648.040449] mt76x2e 0000:01:00.0: MCU message 31 (seq 4) timed out
[112719.622382] pppoe-wan: renamed from ppp0
[114089.558261] mt76x2e 0000:01:00.0: MCU message 31 (seq 10) timed out
[115170.278582] mt76x2e 0000:01:00.0: MCU message 31 (seq 11) timed out
[133442.744973] mt76x2e 0000:01:00.0: MCU message 31 (seq 1) timed out
[133533.224826] mt76x2e 0000:01:00.0: MCU message 31 (seq 11) timed out
[135753.941800] mt76x2e 0000:01:00.0: MCU message 31 (seq 14) timed out
[138094.258941] mt76x2e 0000:01:00.0: MCU message 31 (seq 12) timed out
[140105.695584] mt76x2e 0000:01:00.0: MCU message 31 (seq 9) timed out
[143946.810552] mt76x2e 0000:01:00.0: MCU message 31 (seq 1) timed out
[155530.220758] mt76x2e 0000:01:00.0: MCU message 31 (seq 10) timed out
[156100.141235] mt76x2e 0000:01:00.0: MCU message 31 (seq 8) timed out
[166153.943267] mt76x2e 0000:01:00.0: MCU message 31 (seq 4) timed out
[173206.254818] mt76x2e 0000:01:00.0: MCU message 31 (seq 15) timed out
[173208.334815] mt76x2e 0000:01:00.0: MCU message 31 (seq 1) timed out
[174616.409558] mt76x2e 0000:01:00.0: MCU message 31 (seq 3) timed out
[174618.489561] mt76x2e 0000:01:00.0: MCU message 31 (seq 4) timed out
[176386.083836] mt76x2e 0000:01:00.0: MCU message 31 (seq 6) timed out
@jkimmel

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jkimmel commented Nov 30, 2018

ZBT-APE522ii
OpenWrt SNAPSHOT unknown / LuCI Master (git-18.333.34665-4f2b80e)
same messages here

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