linux-kernel - Re: [3/3,ARM] msm: add minimal board file for HTC Dream device

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Date:	Sun, 1 Nov 2009 15:33:39 -0800
From:	Brian Swetland <swetland@...gle.com>
To:	Pavel Machek <pavel@....cz>
Cc:	"Arve Hj?nnev?g" <arve@...roid.com>,
	kernel list <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [3/3,ARM] msm: add minimal board file for HTC Dream device

On Sun, Nov 1, 2009 at 3:19 PM, Pavel Machek <pavel@....cz> wrote:
>>
>> Pretty sure it's something later than .29
>
> I guess I should try 2.6.31.
>
>> Does enabling DEBUG_LL help?  If something's dying before the serial
>> port is registered, you might never see any console chatter.
>
> DEBUG_LL does not help. Is that early_printk() equivalent?
> With DEBUG_ICEDC I don't even get "uncompressing linux" message.

ICEDCC will try to send messages to JTAG DCC.

Sticking a call to printascii(printk_buf) after the vscnprintf() in
vprintk() in kernel/printk.c is sometimes useful alongside DEBUG_LL
(so that printks will go to the serial port immediately).

> Yes, I believe it dies before serial registration :-(. Being able to
> call puts() that decompressor uses would be useful...
>
>> Also, I believe you'll want to pass console=ttyMSM2,115200n8 on the
>> kernel commandline  (-c parameter to fastboot or mkbootimg).
>
> I'm using "console=ttyMSM2 rootdelay=5 fbcon=rotate:1" that worked for
> me on another kernel version...
>
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