linux-kernel - Re: Regression with the latest iwlwifi-9260-*-46.ucode

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Message-ID: <a394850acbe0f05d6428ce466ecac1cfaefadd59.camel@coelho.fi>
Date:   Mon, 05 Aug 2019 15:03:55 +0300
From:   Luca Coelho <luca@...lho.fi>
To:     Takashi Iwai <tiwai@...e.de>
Cc:     dor.shaish@...el.com, Josh Boyer <jwboyer@...nel.org>,
        Johannes Berg <johannes.berg@...el.com>,
        Emmanuel Grumbach <emmanuel.grumbach@...el.com>,
        linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Regression with the latest iwlwifi-9260-*-46.ucode

On Mon, 2019-08-05 at 13:10 +0300, Luca Coelho wrote:
> On Mon, 2019-08-05 at 12:05 +0200, Takashi Iwai wrote:
> > On Mon, 05 Aug 2019 11:53:33 +0200,
> > Luca Coelho wrote:
> > > On Mon, 2019-08-05 at 12:48 +0300, Luca Coelho wrote:
> > > > On Sun, 2019-07-21 at 18:43 +0200, Takashi Iwai wrote:
> > > > > On Sat, 20 Jul 2019 22:49:33 +0200,
> > > > > Luca Coelho wrote:
> > > > > > On Sat, 2019-07-20 at 22:42 +0200, Takashi Iwai wrote:
> > > > > > > On Fri, 19 Jul 2019 20:07:46 +0200,
> > > > > > > Takashi Iwai wrote:
> > > > > > > > On Fri, 19 Jul 2019 18:36:53 +0200,
> > > > > > > > Luciano Coelho wrote:
> > > > > > > > > Adding Dor.
> > > > > > > > > 
> > > > > > > > > Hi Takashi,
> > > > > > > > > 
> > > > > > > > > Do you have full logs of the crash? We can't see much from the log
> > > > > > > > > snippet pasted in the bug report.
> > > > > > > > 
> > > > > > > > OK, I'll ask reporters.  If you have a SUSE/openSUSE bugzilla account,
> > > > > > > > feel free to join there.
> > > > > > > 
> > > > > > > FYI, the dmesg's have been uploaded to the same bugzilla entry:
> > > > > > >   https://bugzilla.opensuse.org/show_bug.cgi?id=1142128
> > > > > > > 
> > > > > > 
> > > > > > Thanks!
> > > > > > 
> > > > > > BTW, I pushed new firmwares to our firmware tree in git.kernel.org
> > > > > > today.  This is the patch:
> > > > > > 
> > > > > > https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/linux-firmware.git/commit/?id=b5f09bb4f816abace0227d0f4e749859364cef6b
> > > > > > 
> > > > > > It would be great if you can try it out and let us know whether the problem is gone or not.
> > > > > 
> > > > > I created a test package and asked for testing.
> > > > > The test result seems negative, showing the same error,
> > > > > unfortunately.
> > > > > 
> > > > > The dmesg was uploaded on the bugzilla entry.
> > > > 
> > > > Thanks Takashi! We will look into them as soon as possible (sorry for
> > > > the late reply, I just came back from vacations).
> > > 
> > > Actually, I just noticed that your bugzilla is closed as "RESOLVED
> > > FIXED".  Is this still an issue?
> > 
> > It's "closed" because our package contains the revert.
> > 
> > > This seems like a mismatch between the WiFi and BT firmwares... And
> > > most likely the same issue as this:
> > > 
> > > https://bugzilla.kernel.org/show_bug.cgi?id=202163
> > 
> > OK, so we need the update of the whole linux-firmware.
> > I'll refresh the package and ask for testing.
> 
> I'm not sure the new BT firmware is in linux-firmware yet, since I
> don't handle BT stuff.  I hope it is.

I just double-checked this and got confirmation that the latest BT
firmware in linux-firmware.git is compatible with the latest WiFi
firmware there as well.

The only caveat is that the machine needs to be cold-booted for it to
work....

But we are taking steps to make sure this will not happen next time
(i.e. for future hardware), by syncing our BT and WiFi firmware
releases.

--
Cheers,
Luca.