Re: [ANNOUNCE] Merkey's Kernel Debugger

From: Andi Kleen
Date: Mon Aug 11 2008 - 09:49:21 EST


On Mon, Aug 11, 2008 at 07:11:42AM -0600, jmerkey@xxxxxxxxxxxxxxxxxxxxx wrote:
> I found a problem with APIC NMI support which seems to affect all the
> debuggers, but appears machine specific -- at least I can reproduce it
> with all of the modules MDB, KDB, and KGDB modules on my ACER 2410 dual

A couple of laptop BIOS (e.g. some thinkpads) are unfortunately
not NMI safe. There is no known workaround other than not using NMIs
on these systems.

There's unfortunately no global blacklist for these systems, although
having would be useful for a couple of subsystems.

-Andi

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