On Thu, Dec 27, 2007 at 07:27:17PM -0800, Siva Prasad wrote:
What is the kernel routine that is first called when there is, for
example a read() function call from user program?
I would like to start debugging from there and see if any thing at all
happens when there is a call. Appreciate
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* Ramdisk is also executing fine, just that prints are not coming out of
serial. I can see the execution of various user programs with a printk
in sys_execve() routine. Ramdisk has all the required files like
/dev/console, /dev/ttyS0, etc.
*
, December 28, 2007 12:39 AM
To: Siva Prasad
Cc: linuxppc-dev@ozlabs.org; [EMAIL PROTECTED]
Subject: Re: Device node - How does kernel know about it
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* Ramdisk is also executing fine, just that prints are not coming out
of
serial. I can see the execution
.
Thanks
Siva
-Original Message-
From: Nicholas Mc Guire [mailto:[EMAIL PROTECTED]
Sent: Friday, December 28, 2007 12:39 AM
To: Siva Prasad
Cc: linuxppc-dev@ozlabs.org; [EMAIL PROTECTED]
Subject: Re: Device node - How does kernel know about it
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, 2007 8:16 PM
To: Siva Prasad
Cc: Nicholas Mc Guire; linuxppc-dev@ozlabs.org;
[EMAIL PROTECTED]
Subject: Re: Device node - How does kernel know about it
On 12/27/07, Siva Prasad [EMAIL PROTECTED] wrote:
Thank you Jon and Nicholas.
I already have console=ttyS0 in the kernel command line
Hi,
I am really interested in finding out how kernel knows about device
nodes and how the whole thing work. This is as part of my debugging
effort on 8641D based PowerPC board.
* It all started with the problem of not printing any thing that comes
from ramdisk (echo and printf statements), while
On 12/26/07, Siva Prasad [EMAIL PROTECTED] wrote:
Hi,
I am really interested in finding out how kernel knows about device
nodes and how the whole thing work. This is as part of my debugging
effort on 8641D based PowerPC board.
* It all started with the problem of not printing any thing that
