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
next prev parent 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
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