[OpenWrt-Devel] 18.06 Bug: Baby Jumbo Frames on mt7621

Kristian Evensen kristian.evensen at gmail.com
Fri May 25 13:06:32 EDT 2018


> I know how to fix the issue by recovery, however, from the responses
> in the topic on the Lede forum it seems more people are running into
> this issue. This definitely needs to be fixed before a 18.06 release.
> Is there someone with a mt7621 device that can reproduce the problem,
> and that has serial access? We might be able to figure out what is
> going wrong.

I am seeing the same on my mt7621-based devices. It seems that upgrade
works roughly every second time. Here is output from serial one
sysupgrade that went wrong (i.e., no effect):

Sending TERM to remaining processes ... logd rpcd netifd odhcpd crond
hostapd ntpd hostapd nginx nginx dnsmasq ubusd sh sh sh sh sshd [
416.897350] device wlan0 left promiscuous mode
[  416.902098] br-lan: port 2(wlan0) entered disabled state
ssh [  416.915527] device wlan1 left promiscuous mode
[  416.920286] br-lan: port 3(wlan1) entered disabled state
ssh sleep sleep sleep
Sending KILL to remaining processes ... hostapd chostapd hostapd
hostapd hostapd hostapd hostapd hostapd hostapd /lib/upgrade/stage2:
line 132: can't open /proc/3469/cmdline: no such file

Failed to kill a[  420.497042] reboot: Restarting system
ll processes.
sysupgrade aborted with return code: 256


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