What do you use for kernel debugging?

Adrian Chadd adrian at freebsd.org
Wed Oct 1 05:03:12 UTC 2014

There's also something for XHCI.

Please please write it for freebsd. :)


On 30 September 2014 21:45, O'Connor, Daniel <Daniel.O'Connor at emc.com> wrote:
> On 1 Oct 2014, at 0:14, Julian Elischer <julian at freebsd.org> wrote:
>> Unfortunately you can't use a USB serial as it requires the USB stack
>> be  working before it can be used..
>> similar with ethernet connected debugging which requires that the
>> driver for the ethernet hardware support it.
>> (which why we don't have it in the tree though it has been done
>> several times in the past).
> There IS a USB debug standard, Linux has some code to support it.
> I am not sure what percentage of hardware has it hooked up though (the host controller has a designated debug port but it could physically be anything).
> http://www.coreboot.org/EHCI_Debug_Port
> The hardware is bit more expensive than a null modem or firewire cable though :(
> Regards,
>         Daniel O’Connor
> Senior Software Engineer
> Isilon Platforms Team
> _______________________________________________
> freebsd-current at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to "freebsd-current-unsubscribe at freebsd.org"

More information about the freebsd-current mailing list