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From:   Sedat Dilek <sedat.dilek@gmail.com>
Date:   Mon, 27 Jul 2020 19:52:36 +0200
Message-ID: <CA+icZUWAPsuPqWds9f95ZetbR1+CsK_rA36201bLy-JZfVM7EA@mail.gmail.com>
Subject: Re: iwlwifi: Direct firmware load for iwl-debug-yoyo.bin failed with
 error -2
To:     Luciano Coelho <luciano.coelho@intel.com>
Cc:     Kalle Valo <kvalo@codeaurora.org>,
        Shahar S Matityahu <shahar.s.matityahu@intel.com>,
        Johannes Berg <johannes.berg@intel.com>,
        Emmanuel Grumbach <emmanuel.grumbach@intel.com>,
        Intel Linux Wireless <linuxwifi@intel.com>,
        linux-wireless@vger.kernel.org
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On Mon, Jul 27, 2020 at 8:22 AM Luciano Coelho <luciano.coelho@intel.com> wrote:
>
> On Sun, 2020-07-26 at 10:22 +0300, Kalle Valo wrote:
> > Sedat Dilek <sedat.dilek@gmail.com> writes:
> >
> > > Hi,
> > >
> > > I am seeing this failed/error message for a long time:
> > >
> > > [Sat Jul 25 13:03:28 2020] iwlwifi 0000:01:00.0: Direct firmware load
> > > for iwl-debug-yoyo.bin failed with error -2
> > >
> > > So, I started to look for the file "iwl-debug-yoyo.bin" in [1], but failed.
> > > AFAICS this is a file for debugging purposes?
> > >
> > > Why do I see such a message as an end-user w/o iwlwifi-debugging enabled?
> > > For some end-users I can imagine this looks scary and they will look
> > > into their cupboards and below their beds but will not find any
> > > monsters.
> > >
> > > I found a rename from an ini file to bin here:
> > > commit 8d9e982bf9bf ("iwlwifi: dbg_ini: rename external debug
> > > configuration file")
> > >
> > > Is "iwl-debug-yoyo.bin" a binary or as before an ini (text) file I
> > > have to configure somehow.
> > >
> > > Does this need to be guarded by some "ifdef CONFIG_IWLWIFI_DEBUG" in
> > > "drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c"?
> > >
> > > Or does drivers/net/wireless/intel/iwlwifi/Makefile needs some tuning
> > > - as said I have no iwlwifi debugging enabled via Kconfig?
> > > ...
> > > iwlwifi-objs            += iwl-dbg-tlv.o
> > >
> > > Please enlighten me/us?
> > >
> > > Thanks.
> > >
> > > Regards,
> > > - Sedat -
> > >
> > > [1] https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/linux-firmware.git/
> > > [2] https://git.kernel.org/linus/e8d9e982bf9bf0e6f99099f1f09a37563b2b95b5
> > >
> > > > From my dmesg-output:
> > >
> > > [Sa Jul 25 13:03:28 2020] iwlwifi 0000:01:00.0: can't disable ASPM; OS
> > > doesn't have ASPM control
> > > [Sa Jul 25 13:03:28 2020] iwlwifi 0000:01:00.0: loaded firmware
> > > version 18.168.6.1 6000g2b-6.ucode op_mode iwldvm
> > > [Sa Jul 25 13:03:28 2020] iwlwifi 0000:01:00.0: Direct firmware load
> > > for iwl-debug-yoyo.bin failed with error -2
> >
> > There's an RFC patch about this:
> >
> > https://patchwork.kernel.org/patch/11625759/
> >
> > I think that should be applied. Intel folks, should I take that directly
> > to wireless-drivers-next?
>
> As I wrote in the other thread, yes, please.  Go ahead and merge it.
>

Hey cool!

Thanks for taking care.

I have included this one into my Linux v5.8-rc7 patch-series.

Sorry, if I was a bit rude in my report.

Happy Monster hunting,
- Sedat -