[Gllug] Serial debugging

[John Edwards]

On Sun, Jun 05, 2011 at 10:34:23AM +0100, James Courtier-Dutton wrote:
> On 4 June 2011 13:59, Adrian McMenamin <adrian at mcmen.demon.co.uk> wrote:
>> I want to debug a linux kernel on a serial terminal but one of the
>> machines I want to use does not have a serial port so it seems the
>> trusty null modem cable won't help (it's a laptop too, so I cannot
>> really just plug a cheap PCI card in)
>>
>> Alternatives seem to be:
>>
>> USB -> serial (does this work, searching suggests I need to configure
>> the USB port in a special way but it's not clear)
>>
>> Firewire <-> firewire (there seems to be kernel support for this but is
>> it practical, anyone know)
>>
>> Something else? Anyone know?
> 
> Why can't you debug this by running the linux kernel in a kvm virtual machine?

The most obvious reason would be to test a kernel on some real
hardware, especially the drivers for that hardware.


-- 
#---------------------------------------------------------#
|    John Edwards   Email: john at cornerstonelinux.co.uk    |
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