linux-kernel - Re: Possible PNP issue on Dell PowerEdge 4200 unless noapic used

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Date:	Sat, 24 Sep 2011 19:28:32 -0500
From:	Jonathan Nieder <jrnieder@...il.com>
To:	trouble daemon <troubledaemon@...il.com>
Cc:	Adam Belay <abelay@....edu>, Bjorn Helgaas <bhelgaas@...gle.com>,
	linux-kernel@...r.kernel.org
Subject: Re: Possible PNP issue on Dell PowerEdge 4200 unless noapic used

(just cc-ing linux-kernel so any work on this gets archived)
trouble daemon wrote:

> Greetings,
>
> Hello Adam and Bjorn. I am sending this email to you as suggested by
> Jonathan regarding a problem that I was having with Linux on a pair of
> old Dell PowerEdge 4200 machines that I own (yes, they still run!).
>
> I have left the most recent reply between Jonathan and I quoted below,
> but you can find the original bug report at the Debian bug tracker
> under bug #586494 [1]. As a brief recap, I have been required to use
> the noapic kernel option in these systems in order to allow them to
> boot, and appears to have originated after a commit to the kernel
> relating to EISA (although it has come to my attention now that PNP
> may be related as well).
>
> As suggested, I have attached a copy of the "quick & dirty" config I
> used for a vanilla 3.1.0-rc7 kernel I compiled, along with the boot
> log of the machine, and a diff against the apic log of a working boot
> of the same kernel when using noapic. One thing that I should mention
> is that on these dells, I also usually use the pnpbios=off option to
> hide the pesky warnings on boot, in addition to noapic.
>
> I hope these logs help you in some way. If there is anything else you
> might be interested in knowing or testing, don't hesitate to ask!

Original report: http://thread.gmane.org/gmane.linux.kernel/1000807
Logs: http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=86;bug=586494

> Dan McGrath
>
> PS - Not a problem Jonathan, thanks!
>
> [1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=586494
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