Re: Frequent error(?) messages from iwlwifi

On Tue, 30 Aug 2022, Kevin Oberman wrote:

> On a newly installed current system with thi WiFi interface:
> wlwifi0@pci0:0:20:3:   class=0x028000 rev=0x01 hdr=0x00 vendor=0x8086
> device=0x51f0 subvendor=0x8086 subdevice=0x0090
>    vendor     = 'Intel Corporation'
>    device     = 'Alder Lake-P PCH CNVi WiFi'
>    class      = network
> I get these errors at slightly varying intervals of about once a minute and
> don't seem to be more frequent when the network is busy. Only the "skb"
> value varies.
>
> Aug 30 15:49:43 newptavv kernel: iwlwifi0: fc 0x4188 sta_id 0 tid 5 txq_id
> 65535 mvm 0xfffffe00c96f1388 skb 0xfffff8008485c000 { len 126 } info
> 0xfffffe0083cceca0 sta 0xfffff8001fb7a080
> Aug 30 15:50:50 newptavv kernel: iwlwifi0: fc 0x4188 sta_id 0 tid 5 txq_id
> 65535 mvm 0xfffffe00c96f1388 skb 0xfffff800847eb800 { len 126 } info
> 0xfffffe0083cceca0 sta 0xfffff8001fb7a080
> Aug 30 15:51:56 newptavv kernel: iwlwifi0: fc 0x4188 sta_id 0 tid 5 txq_id
> 65535 mvm 0xfffffe00c96f1388 skb 0xfffff8003f5c7800 { len 126 } info
> 0xfffffe0083cceca0 sta 0xfffff8001fb7a080
> Aug 30 15:53:03 newptavv kernel: iwlwifi0: fc 0x4188 sta_id 0 tid 5 txq_id
> 65535 mvm 0xfffffe00c96f1388 skb 0xfffff8008485c000 { len 126 } info
> 0xfffffe0083cceca0 sta 0xfffff8001fb7a080
>
> I have never seen these errors on my AX200 system and they started only
> after enabling IPv6. They don't seem to cause any serious impact, but teh
> system is still being built and not doing much,
>
> System is an Alder Lake running FreeBSD 14.0-CURRENT #0
> main-n257619-c1a0ab5ec52.
>
> Should I open a ticket or is this just noise?

Sorry you are running current@ ;  here's the explanation.

https://cgit.freebsd.org/src/commit/sys/contrib/dev/iwlwifi?id=e674ddec0b4138274539587fe9336b577ff1242a

I'll follow-up with you off-list given you seem to see it more often as well you may be able ot test something.

/bz

-- 
Bjoern A. Zeeb                                                     r15:7