Re: test 1: was: Re: A Comparison of printk between upstream and linux-rt-devel
From: Derek Barbosa
Date: Mon Aug 26 2024 - 13:05:48 EST
On Mon, Aug 26, 2024 at 07:02:49PM +0206, John Ogness wrote:
> For the 8250, I would expect the legacy driver (even during "hope and
> pray" mode) to be fairly reliable.
>
> If this is running in QEMU, you could attach gdb and dump the backtrace
> for the panic CPU and investigate some state variables. If this is
> reproducible, it may be worth investigating where/why the legacy
> printing is choking.
>
> John Ogness
Hi John.
This is not running in QEMU. I installed & booted this kernel directly.
Considering that this produced a vmcore, I could try my hand at doing a crash
analysis (with some pointers).
Do you think running this kernel in QEMU would behave any differently than it is
now?
Best,