linux-kernel - RE: Warning: unable to open an initial console.

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Message-Id: <20070405155751.5C30ACD005F@mail79-sin.bigfish.com>
Date:	Thu, 5 Apr 2007 08:57:49 -0700
From:	"Tom Strader" <tom.strader@...inx.com>
To:	"young dave" <hidave.darkstar@...il.com>
Cc:	<linux-kernel@...r.kernel.org>
Subject: RE: Warning: unable to open an initial console.

The problem appears to be that the uart driver is not assigning the
port.  In uart_get() located in drivers/serial/serial_core.c the code
tries to access state->port but it does not appear to exist.  Where is
the port supposed to get added/setup?  Should this happen in the driver
init or does the kernel add the ports to the driver after init?

Uart_get knows the correct driver name drv->driver_name = "PXA serial"
and drv->dev_name = "ttyS", but the drv->state->port does not exist.
Where should the port be added?  The port info exists in
drivers/serial/pxa.c but I cant find where its initialized.  Any help
would be great.
Thanks,
Tom

-----Original Message-----
From: young dave [mailto:hidave.darkstar@...il.com] 
Sent: Tuesday, April 03, 2007 6:54 PM
To: Tom Strader
Cc: linux-kernel@...r.kernel.org
Subject: Re: Warning: unable to open an initial console.

Hi;
The errno "-6" is defined as:
#define ENXIO            6      /* No such device or address*/

You can try to retrieve the rootfs and add the necessary device file
to it, then reflash the rootfs.

I'm Sorry, I  have no embedded environment to test.

Regards
dave

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