netdev - Re: iwlwifi: Microcode SW error

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Date:   Mon, 19 Apr 2021 11:19:37 +0200
From:   Johannes Berg <johannes@...solutions.net>
To:     Gon Solo <gonsolo@...il.com>, luciano.coelho@...el.com,
        kvalo@...eaurora.org, davem@...emloft.net, kuba@...nel.org,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: iwlwifi: Microcode SW error

On Mon, 2021-04-19 at 11:08 +0200, Gon Solo wrote:
> 
> [Apr19 10:50] iwlwifi 0000:02:00.0: Queue 10 is active on fifo 1 and stuck for 10000 ms. SW [40, 93] HW [40, 93] FH TRB=0x0c010a037
> [  +0,001244] iwlwifi 0000:02:00.0: Microcode SW error detected.  Restarting 0x2000000.
> 
> The rest of the message is at the end of this message.
> The kernel version is "Linux Limone 5.12.0-051200rc7-lowlatency" from https://kernel.ubuntu.com/~kernel-ppa/mainline.
> The relevant output of lspci is:
> 02:00.0 Network controller: Intel Corporation Wireless 7260 (rev 73)
> 
> I would be glad to provide additional details if somebody is interested
> to fix this bug.
> 
> Regards,
> Andreas
> 
> [[Apr19 10:50] iwlwifi 0000:02:00.0: Queue 10 is active on fifo 1 and stuck for 10000 ms. SW [40, 93] HW [40, 93] FH TRB=0x0c010a037
> [  +0,001244] iwlwifi 0000:02:00.0: Microcode SW error detected.  Restarting 0x2000000.
> [  +0,000160] iwlwifi 0000:02:00.0: Start IWL Error Log Dump:
> [  +0,000004] iwlwifi 0000:02:00.0: Status: 0x00000040, count: 6
> [  +0,000005] iwlwifi 0000:02:00.0: Loaded firmware version: 17.3216344376.0 7260-17.ucode
> [  +0,000005] iwlwifi 0000:02:00.0: 0x00000084 | NMI_INTERRUPT_UNKNOWN       

Do you use MFP?

Could be related to

https://patchwork.kernel.org/project/linux-wireless/patch/20210416134702.ef8486a64293.If0a9025b39c71bb91b11dd6ac45547aba682df34@changeid/

I saw similar issues internally without that fix.

johannes