Hi,
Op donderdag 13 augustus 2020 om 1u46 schreef Andre Valentin
<[email protected]>:
Hello,
it seems that I had another problem when upgrading from 4.14 to 5.4.
5.4 uses DSA on MT7621.
In 4.14 network config I had no switch definition and it worked out
of the box.
But with 5.4 I need a switch config in network config like that:
config interface 'lan'
option type 'bridge'
option ifname 'eth0.1'
DSA would be:
option ifname 'lan1 lan2 lan3 lan4'
It does not use any 'ethX' definitions anymore. Looks like you did a
messy upgrade and kept configs. With all the DSA related breakages on
MT7621 (and the few other migrated platforms) popping up here and
there, I'd wager by now most people keeping an eye on master would know
*not* to keep settings when migrating.
With newer builds Adrian also implemented an explicit warning about DSA
and config incompatibility. So did you ignore those as well?
Stijn
option proto 'static'
option ipaddr '192.168.1.1'
option netmask '255.255.255.0'
option ip6assign '60'
option metric '10'
config switch
option name 'switch0'
option reset '1'
option enable_vlan '1'
config switch_vlan
option device 'switch0'
option vlan '1'
option ports '0 1 2 3 6t'
Sorry for the noise.
I could now check one of the bricked devices and found no hint for
the FC issue.
Kind regards,
André
Am 06.08.20 um 14:31 schrieb Andre Valentin:
Hi Jaap,
Am 06.08.20 um 13:43 schrieb Jaap Buurman:
Dear all,
I have noticed the flow control work for mt7621 in the following
Openwrt patch:
https://git.openwrt.org/?p=openwrt/openwrt.git;a=commit;h=c8f8e59816eca49d776562d2d302bf990a87faf0
However, the problem that the patch is supposed to fix is still
occurring, even in combination with other experimental patches
submitted. These experiences can be read about here:
https://forum.openwrt.org/t/mtk-soc-eth-watchdog-timeout-after-r11573/50000/
However, on this mailing list a user by the name of Kristian claims
that disabling flow control helps fix this problem, as can be read
here:
https://lists.openwrt.org/pipermail/openwrt-devel/2017-November/009882.html
From what I understood, he was running many mt7621 devices
commercially, with many of them experiencing the issue, which were
all
fixed with his own flow control patch. My question is why the
decision
was made to only disable flow control on port 5 in the above
mentioned
Openwrt patch? AFAIK, Kristian's own patch disables flow control on
all of the ports and he claims the issue is fixed for him. Perhaps
the
current patch should be extended to disable flow control on all
ports?
What are people's thoughts on this?
I'm facing the same issue now after upgrading to 5.4 kernel more
often than before.
Every second reboot reboot with 5.4 fails with this timeout error.
Yours sincerely,
Jaap
André
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