From: Brandon Nielsen <nielsenb@jetfuse.net>
To: linux-wireless@vger.kernel.org
Subject: Re: iwlwifi: AX201 not using 2 receive streams
Date: Tue, 11 Jan 2022 13:46:04 -0600 [thread overview]
Message-ID: <60724ae6-e8e2-183d-575a-0186e45c3fae@jetfuse.net> (raw)
In-Reply-To: <521b0dba-5866-ff34-da5a-479bc95cc9d9@candelatech.com>
On 1/8/22 3:22 PM, Ben Greear wrote:
> On 1/8/22 12:50 PM, Brandon Nielsen wrote:
>> I have a system with Intel AX201 not using 2 spatial streams in the RX
>> (download) direction. TX (upload) functions as expected. I'm seeing
>> similar behavior with an AX200 system. I'm seeing the same behavior on
>> 5.15.12 as I am with 5.16.0-rc8 so I didn't mark it as a regression.
>> Windows works as expected.
>>
>> I have opened bug 215465[0] with some more detail.
>>
>> [0] - https://bugzilla.kernel.org/show_bug.cgi?id=215465
>>
>
> We saw something similar with ax210, but only on 6E, in kernel 5.15.7+.
> On 5Ghz, it worked 2x2 as expected.
> On a 5.15.0-rc something, it worked OK for us.
>
> We verified same firmware is used in both cases, but have not fully
> bisected the problem yet but we are
> working on it. In case you find the problem patch before us, please let
> me know!
>
> Thanks,
> Ben
>
I'm still seeing this as far back as 5.11.12, so I'm not convinced this
is a regression. At least for the 5 GHz / 802.11ac case.
next prev parent reply other threads:[~2022-01-11 19:46 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-08 20:50 iwlwifi: AX201 not using 2 receive streams Brandon Nielsen
2022-01-08 21:22 ` Ben Greear
2022-01-11 19:46 ` Brandon Nielsen [this message]
2022-01-11 20:02 ` Ben Greear
2022-01-13 17:12 ` Ben Greear
2022-01-14 17:22 ` Brandon Nielsen
2022-01-17 19:46 ` Brandon Nielsen
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