Re: iwlwifi problems, maybe firmware related?

["Coelho, Luciano" <luciano.coelho@intel.com>]

On Wed, 2022-01-26 at 10:32 -0800, Randy Dunlap wrote:
> Hi--
> 
> On 1/25/22 23:12, Coelho, Luciano wrote:
> > Hi,
> > 
> > Adding Golan to the thread.
> > 
> > On Tue, 2022-01-25 at 18:20 -0800, Randy Dunlap wrote:
> > > 
> > > On 1/25/22 15:58, Ben Greear wrote:
> > > > On 1/25/22 3:08 PM, Randy Dunlap wrote:
> > > > > Hi,
> > > > > 
> > > > > When I boot 5.16 or 5.17-rc1, I get messages like:
> > > > > 
> > > > > iwlwifi 0000:00:14.3: api flags index 2 larger than supported by driver
> > > > > iwlwifi 0000:00:14.3: TLV_FW_FSEQ_VERSION: FSEQ Version: 89.3.35.37
> > > > > iwlwifi 0000:00:14.3: loaded firmware version 67.8f59b80b.0 QuZ-a0-hr-b0-67.ucode op_mode iwlmvm
> > > > 
> > > > We see nothing but crashes with the version 67 firmware.  Remove that
> > > > from your /lib/firmware/ dir (and make sure version 66 or lower is there),
> > > > and reboot and it should work again.
> > > 
> > > Well. Yes, that does make things work for me.
> > > 
> > > It's odd, though, that openSUSE Tumbleweed with kernel "Linux version 5.16.1-1-default"
> > > (whatever that is) also works with no problems.
> > > 
> > > Thanks for your help.
> > 
> > This is because of broadcast filtering.  This feature hasn't been
> > supported for quite a while and now the firmware rejects the command we
> > send to it.
> > 
> > The easy fix is to compile iwlwifi without
> > CONFIG_IWLWIFI_BCAST_FILTERING (which should not be enabled by
> > default).
> 
> Just confirming that kernel 5.16 without broadcast filtering works
> with firmware v67.

Great, thanks for the confirmation!

Just out of curiosity.  How did you end up with broadcast filtering
enabled? Is it a default configuration from some distro?


> > I have removed this option from the driver now and will send the patch
> > to 5.17-rc* as a fix.
> 
> Yes, please.

Will do.

--
Cheers,
Luca.