linux-kernel - Re: AX200 cards broken after firmware cc-a0-67

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Message-ID: <19ea449a9f772f12058785be873c7ea5504a0eb8.camel@sipsolutions.net>
Date:   Thu, 03 Feb 2022 20:00:16 +0100
From:   Johannes Berg <johannes@...solutions.net>
To:     Gabriel C <nix.or.die@...glemail.com>,
        linux-wireless@...r.kernel.org
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Luca Coelho <luciano.coelho@...el.com>,
        linux-firmware@...r.kernel.org
Subject: Re: AX200 cards broken after firmware cc-a0-67

On Thu, 2022-02-03 at 18:58 +0100, Gabriel C wrote:
> Hello,
> 
> I own 3 boxes with AX200 cards, one is a Killer AX1650x, the other two
> AX200 [8086:2723] (rev 1a).
> 
> After commit 4474519a1fd4e7167afae7c5ca2c1b93e17b4d8a in
> linux-firmware tree, which updates
> the firmware to cc-a0-67.ucode, all cards are crashing with microcode
> errors. Firmware  cc-a0-66.ucode
> is still fine. The kernel doesn't seem to matter, as soon I update the
> firmware to >=67 ( I tested 68 too ),
> everything crashes in an endless loop.
> 
> I'll attach a dmesg, from 5.17.0-rc2, the same crash happens with 5.16* etc.
> 

> [   18.453176] iwlwifi 0000:03:00.0: 0x00001062 | ADVANCED_SYSASSERT 

So I think this is broadcast filtering again, discussed previously on
the list. Turn off CONFIG_IWLWIFI_BCAST_FILTERING for now, a fix is in
the works.

johannes