Tested in a AN 100Mbps wireless network:
* Killer1650i [8086:43f0] subsystem [1a56:1652]
* G15-TGL-DVT2-C2
* 5.10.0-2017.18+lp1913259.1.new.card.so.qu: download 70Mbps, upload 97Mbps
* AX201 [8086:43f0] subsystem [8086:0074]
* G15-TGL-DVT2-C2
* 5.10.0-2017.18+lp1913259.1.new.card.so.qu: download 70Mbps, upload 97Mbps
* 5.10.0-1017: download 80, upload 90
* 9260 [8086:2526] subsystem [8086:0010]
* G15-TGL-DVT2-C2
* 5.10.0-2017.18+lp1913259.1.new.card.so.qu: download 80Mbps, upload 1.2Mbps
* 5.10.0-1017: same poor upload rate
* 5.8.0-45-generic: same poor upload rate
* 5.6.0-1050-oem: same poor upload rate
* 5.4.0-67-generic: download 18Mbps, upload 49.56Mbps
* KRM3-DVT2-C1
* 5.10.0-2017.18+lp1913259.1.new.card.so.qu: download 80Mbps, upload 83Mbps
* 5.10.0-1017: download 89Mbps, upload 1Mbps
* 8265 [8086:24fd] subsystem [8086:0010]
* KRM3-DVT2-C1
* 5.10.0-2017.18+lp1913259.1.new.card.so.qu: ok
So I think the most correct interpretation for these results is that
9260 has been broken at upload rate for a while, and it takes a few
conditions in both hw and sw to fix. This backport should be good and
I'm going to SRU it.
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https://bugs.launchpad.net/bugs/1913259
Title:
Intel AX201 Wi-Fi [8086:43f0] subsystem [1a56:1652]: Direct firmware
load for (efault)128.ucode failed with error -2
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