Re: VT-d and x2apic: broken resume after suspend to ram

From: Joerg Roedel
Date: Fri Nov 01 2013 - 12:02:20 EST


On Fri, Nov 01, 2013 at 04:47:47PM +0100, Peter Senna Tschudin wrote:
> Only serial ports over USB:
> usb 2-1.3.2: pl2303 converter now attached to ttyUSB0
>
> The issue with no_console_suspend is that the monitor is powered off
> on suspend and never resume after that. The external monitor enters in
> power save mode during suspend and also never resume. Do you know if
> replacing my wifi/bt card by this:
>
> http://www.startech.com/Cards-Adapters/Serial-Cards-Adapters/2-Port-RS232-Mini-PCI-Express-Serial-Card-16950-UART~MPEX2S952
>
> would enable to use the serial console for seeing kernel debug messages?

Who knows, depends on the BIOS in your machine, I guess. But I would say
there is a at least a better chance with this than with a USB-Serial
adapter.


Joerg


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