linux-kernel - Re: [PATCH] platform/x86: intel-wmi-thunderbolt: Add dynamic debugging

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CAHp75VeCA1riXHHGjVz78BP0je+a5a6bgpXP5qdK+QxfHQpxdg@mail.gmail.com>
Date:   Wed, 26 Sep 2018 22:25:40 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Mika Westerberg <mika.westerberg@...el.com>
Cc:     Mario Limonciello <mario.limonciello@...l.com>,
        Darren Hart <dvhart@...radead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>
Subject: Re: [PATCH] platform/x86: intel-wmi-thunderbolt: Add dynamic debugging

On Wed, Sep 26, 2018 at 9:34 PM Mika Westerberg
<mika.westerberg@...el.com> wrote:
>
> On Wed, Sep 26, 2018 at 11:10:58AM -0500, Mario Limonciello wrote:
> > Some users have been reporting issues with thunderbolt being turned off
> > before fully initialized.  This is suspected to be caused by userspace
> > turning off the Thunderbolt controller using intel-wmi-thunderbolt
> > prematurely.
> >
> > Details are available here:
> > https://bugzilla.kernel.org/show_bug.cgi?id=201227
> > https://bugzilla.kernel.org/show_bug.cgi?id=199631
> >
> > Userspace has already made some mitigiations for this situation:
>                                   ^^^^^^^^^^^^
> mitigations?

I've fixed that, but in any case I need to add your tag, thanks!


>
> > https://github.com/hughsie/fwupd/commit/ef6f1d76983c9b66
> > https://github.com/hughsie/fwupd/commit/c07ce5b4889a5384
> >
> > To allow easier debugging of this situation add output that can be turned
> > on with dynamic debugging to better root cause this problem.
> >
> > Suggested-by: Mika Westerberg <mika.westerberg@...el.com>
> > Signed-off-by: Mario Limonciello <mario.limonciello@...l.com>
>
> Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>



-- 
With Best Regards,
Andy Shevchenko