Re: [Xen-devel] xen on J6 evm - console not responding

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Wed, 2015-06-17 at 15:55 +0100, Ian Campbell wrote:
> On Wed, 2015-06-17 at 14:42 +0000, Korupol, Naveen (EXT) wrote:
> > Does Xen see the keypresses, i.e. can you press Ctrl-A three times and
> > get a response? 
> > No: Ctrl-A does not work either.
> 
> OK, that indicates an issue with the serial port rather than anything to
> do with the dom0 configuration.
> 
> I'm going to assume this isn't a h/w issue and that you've tested the
> serial port works e.g. with native Linux? It could also be a RTS/CTS
> misconfiguration between Xen and the host terminal emulator, I suppose,
> so that's worth checking.
> 
> Otherwise it seems like the issue is either with the Xen serial port
> driver for your platform or with the DTB description of hte IRQ or
> something like that.

e.g. there was a report just now on xen-users from someone who had a
similar problem and it turned out their DTB had the wrong SPI for the
UART...

> 
> J6 EVM is an Omap5, right? With the same UART as people have reported
> successes with on other OMAP5 platforms e.g. at
> http://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions/OMAP5432_uEVM
>  ?
> 
> Please could you post a full serial log of the boot, perhaps that will
> give us a clue.
> 
> Ian.
> 
> 
> 
> 
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