Hello folks,
Last Sunday I opened https://github.com/openwrt/openwrt/issues/12359 which is a sporadic PCI issue
manifesting in one of the 2 wifi cards not coming online roughly 50% of all reboots.
The problem coincides with bridge 0000:00:01.0 not having any flags on its
PCI_COMMAND register.
I added some debug lines to print PCI_COMMAND at various times during boot so that I could see where
the flags are lost, and I narrowed it down to a place where, bizarrely, there is no code of any
significance.
Although I am working on 22.03, I also reproduced this issue with the current master branch as of
this week, so I believe it is not fixed. I also think this is likely to be the same issue causing
https://github.com/openwrt/mt76/issues/644
If somebody could give me some direction re debugging this further, I would be
most grateful.
Thanks,
Caleb
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