Re: T_TRCTRAP handling

To: Maxime Villard <max%m00nbsd.net@localhost>
Subject: Re: T_TRCTRAP handling
From: Martin Husemann <martin%duskware.de@localhost>
Date: Wed, 7 Feb 2018 11:14:12 +0100

On Wed, Feb 07, 2018 at 11:09:51AM +0100, Maxime Villard wrote:
> When it comes to Qemu's GDB, I'm not sure what would be the correct solution.
> Probably detect the hypervisor (by reading its CPUID leaf if it has one - not
> sure Qemu does), and then behave differently. But the default behavior should
> still be to panic.

QEMU should never let the kernel see any exceptions or other traces of being
debugged, IMHO.

To me this sounds like a qemu bug.

Martin

Follow-Ups:
- Re: T_TRCTRAP handling
  - From: Dimitris Karagkasidis

References:
- T_TRCTRAP handling
  - From: Dimitris Karagkasidis
- Re: T_TRCTRAP handling
  - From: Maxime Villard

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