linux-kernel - Re: [PATCH] dell-laptop: Add hwswitch

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

Message-ID: <AANLkTikNdfNBf0pT6YxA5tHF2pjdWXPP0uXKNOq81hn2@mail.gmail.com>
Date:	Thu, 7 Oct 2010 16:49:50 -0500
From:	Mario Limonciello <superm1@...ntu.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Matthew Garrett <mjg59@...f.ucam.org>,
	Keng-Yu Lin <keng-yu.lin@...onical.com>, len.brown@...el.com,
	alan-jenkins@...fmail.co.uk, platform-driver-x86@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dell-laptop: Add hwswitch_only module parameter

Hi Dmitry:

On Thu, Oct 7, 2010 at 16:46, Dmitry Torokhov <dmitry.torokhov@...il.com> wrote:
> On Thu, Oct 07, 2010 at 10:37:54PM +0100, Matthew Garrett wrote:
>> On Thu, Oct 07, 2010 at 02:30:28PM -0700, Dmitry Torokhov wrote:
>>
>> > We have this strategy for bunch of input stuff (force release, keymap)
>> > and I think it works better than dding more and more DMI quirks into
>> > kernel itself.
>>
>> It's limited to Dell hardware, so I think keeping a static list in the
>> Dell laptop driver is reasonable. All we need is a list of hardware, and
>> I'd really hope that Dell know which BIOS versions contain this code!
>>
>
> Unfortunately this kind of crap tends to flow from one BIOS version to
> another.. How many DMI entries do we know about so far? Did Dell issue
> firmware updates correcting the issue so new boxes will not exhibit the
> problem?
>
> --
> Dmitry
>

I've seen this on 2 machines thus far.  One of them is still under
development and this was caught in time to be fixed properly in the
firmware (thanks to the patch above).  The other will not be receiving
a firmware update to resolve it.

There are likely others out there, but I've not encountered them yet.

-- 
Mario Limonciello
superm1@...il.com
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/