public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Pavel Machek <pavel@suse.cz>
To: "Brown, Len" <len.brown@intel.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>,
	Thomas Renninger <trenn@suse.de>, Len Brown <lenb@kernel.org>,
	linux-acpi@vger.kernel.org, "Moore,
	Robert" <robert.moore@intel.com>,
	"Lin, Ming M" <ming.m.lin@intel.com>,
	Bjorn Helgaas <bjorn.helgaas@hp.com>,
	Huang Cheng <cheng.huang@intel.com>,
	firmwarekit-discuss@bughost.org,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Check for BIOS bugs - Original Subject: Re: [PATCH 23/70] ACPICA: Workaround for reversed _PRT entries from BIOS
Date: Wed, 9 Jul 2008 00:11:10 +0200	[thread overview]
Message-ID: <20080708221110.GC18195@elf.ucw.cz> (raw)
In-Reply-To: <960B77DF2E6D974DBE24FD066EAEE8DAD90886@azsmsx422.amr.corp.intel.com>

Hi!

> >>> FIRMWARE_BUG_ON(severity, description, component);
> >> 
> >> Yes, please.
> 
> I'm not excited about maintaining
> maintaining linux-as-a-firmware-diagnostic --
> particularly when...
> 
> 1. it clutters the code for normail machines
> 2. finding the bug is pointless, because even
>    if you fix one machine, you are guaranteed to
>    not fix all machines and thus must maintain
>    the workaround anyway.

Well, at least we can make sure new machines are okay.

Plus, it is nice to know how common hw/BIOS problems are.

> >> I'd also like HARDWARE_BUG_ON(), with similar usage.
> >> 
> >> With all the preload-linux-on-foo project, we have some 
> >> chance to make
> >> BIOS vendors fix their stuff if we can easily diagnose errors in
> >> there.
> 
> These customers should be running 
> http://linuxfirmwarekit.org/
> 
> We do maintain some degree of "high-road ACPI spec checking"
> with the "acpi=strict" boot option.  If we do more of this,
> I think it should stay under that option.

That's okay with me, but it would be nice to have printk() markup, so
that we can tell BIOS/hw bugs from normal kernel messages.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

  reply	other threads:[~2008-07-08 22:10 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1213947852-10924-1-git-send-email-lenb@kernel.org>
     [not found] ` <deade3c973eb9c98d2a6cfed658bbb49e693894a.1213947350.git.len.brown@intel.com>
2008-07-01  8:33   ` Check for BIOS bugs - Original Subject: Re: [PATCH 23/70] ACPICA: Workaround for reversed _PRT entries from BIOS Thomas Renninger
2008-07-07 11:12     ` Pavel Machek
2008-07-08 15:40       ` Arjan van de Ven
2008-07-08 19:34         ` Brown, Len
2008-07-08 22:11           ` Pavel Machek [this message]
2008-07-09  8:51           ` Thomas Renninger
2008-07-17 20:31             ` Brown, Len

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20080708221110.GC18195@elf.ucw.cz \
    --to=pavel@suse.cz \
    --cc=arjan@linux.intel.com \
    --cc=bjorn.helgaas@hp.com \
    --cc=cheng.huang@intel.com \
    --cc=firmwarekit-discuss@bughost.org \
    --cc=len.brown@intel.com \
    --cc=lenb@kernel.org \
    --cc=linux-acpi@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=ming.m.lin@intel.com \
    --cc=robert.moore@intel.com \
    --cc=trenn@suse.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox