Bug#963025: firmware-iwlwifi: Microcode SW error detected / 9000-pu-b0-jf-b0-46.ucode
- To: 963025@bugs.debian.org, Jean Baptiste Favre <debian@jbfavre.org>
- Subject: Bug#963025: firmware-iwlwifi: Microcode SW error detected / 9000-pu-b0-jf-b0-46.ucode
- From: maximilian attems <maks@stro.at>
- Date: Tue, 16 Mar 2021 19:44:31 +0100
- Message-id: <[🔎] YFD8j0Xzz6yUt6Kn@photino.stro.at>
- Reply-to: maximilian attems <maks@stro.at>, 963025@bugs.debian.org
- In-reply-to: <1aca0183-2bb1-5760-1572-b4797584906d@jbfavre.org>
- References: <bf4943c6-bacf-7fce-898e-415d63b6e87b@shellforce.org> <f000694e-4ac7-8643-d4e1-7329e75ad50a@jbfavre.org> <bf4943c6-bacf-7fce-898e-415d63b6e87b@shellforce.org> <1aca0183-2bb1-5760-1572-b4797584906d@jbfavre.org> <bf4943c6-bacf-7fce-898e-415d63b6e87b@shellforce.org>
> Some context:
> * the error occured right after laptop boot
> * My Wifi setup: AP was forced to use frequency of 5240GHz and offered
> 20/40/80MHz channel width. Moving AP to 5180GHz solve the issue.
>
> My understanding:
> It *seems* that iwlwifi could have issues with DFS frequencies, not with
> channel width.
> My last report was also linked to DFS channels being used.
> Moving away from DFS channel solve the issue, at least for me.
Upstream says this should be fixed in unstable linux version with
latest 20210315 iwlwifi firmare. If not please let us know.
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