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Date: Mon, 15 Apr 2013 14:38:00 -0000
From: Pedro Alves <palves@redhat.com>
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To: Kent Tong <kent.tong.mo@gmail.com>
CC: gdb@sourceware.org
Subject: Re: Fwd: disabling NMI rendering breakpoints non-functional?
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On 04/12/2013 04:44 PM, Kent Tong wrote:
> Hi,
> 
> It seems that after the code being traced disables NMI, gdb will not
> stop at the next instruction (si) or at breakpoints. Is this a bug or
> am I missing something?
> 
> The code is seabios running in qemu i386.

GDB has no clue of NMI, it just tells the target to set a breakpoint at
some address, or to single-step.  How qemu implements those things
behind the scenes is up to qemu.

-- 
Pedro Alves