From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from wip-ectls-mx3.wipro.com (wip-ectls-mx3.wipro.com [203.101.113.41]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "wip-ectls-mx3.wipro.com", Issuer "certserv.wipro.com" (not verified)) by ozlabs.org (Postfix) with ESMTP id 62C9667A81 for ; Thu, 17 Feb 2005 16:20:13 +1100 (EST) MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C514B0.57A1C90E" Date: Thu, 17 Feb 2005 10:50:06 +0530 Message-ID: From: To: Cc: linuxppc-embedded@ozlabs.org Subject: RE: Mounta Vista Linux prompt on serial console List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This is a multi-part message in MIME format. ------_=_NextPart_001_01C514B0.57A1C90E Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sorry if I am eating away your time .. but now it has come to some stage= ..able to decompress image of ramdisk image ( with ext2 in it) =0D But the problem is that it was stopping at "No init found. Try passing init=3D option to kernel". Before that there= were no errors. Everthing looks fine Mounted VFS root file system was also= seen. From the net I understood is that the fstab file was the cause. So= edited the filesytem parameter for / as /dev/ram earlier it used to be= /dev/root. =0D The fstab file is like this.=0D =0D /dev/ram / auto defaults,errors=3Dremount-ro /proc /proc proc defaults =0D So please tell me whether the given fstab file will suffice? The filesystem= image was build for ext2. I tried wih CRAMFS but some decompressing error= was coming where as the ext2 filesystem image was working fine. =0D =0D 2. I have one more doubt /sbin/init utility comes with what package?= Because in /sbin directory although the init binary is present, not shown= in the file system heirarchy view. For eg. if I select DHCPD package then= able to see dhcpd related binary in the /sbin similarly my question was= which package has to be selected to have init included. =0D Thanks & Regards Surabhi Srinivas ________________________________ From: Wolfgang Denk [mailto:wd@denx.de] Sent: Thu 2/17/2005 1:30 AM To: Srinivas Surabhi (WT01 - EMBEDDED & PRODUCT ENGINEERING SOLUTIONS) Cc: linuxppc-embedded@ozlabs.org Subject: Re: Mounta Vista Linux prompt on serial console=0D In message = you wrote: > > cramfs is 2.7MB where as the RAM size is 32MB. While building ofcourse > the RAMDISK size was told as 8MB. This I mentioned in the devrocket What has the ramdisk to do here? Either you are using a cramfs filesystem, or a ramdisk (probably with an ext2 filesystem in it). Putting cramfs filesystem in a ramdisk image is a pretty bad idea. > Here I have one doubt while building the uBoot image using mkImage with > multi option where was the FileSystem image getting downloaded ? and how A multi-file image in U-Boot indeed requires a ramdisk image. Then you should not use a cramfs filesystem. The method for loading tha ramdisk image is described in the U-Boot "README" file; search for "positioning of initrd images". > the downloaded location was known to the kernel Image for pointing out > the File System image location. The options -a and -e are applicable > only for first image, isn't it? First image I mean the kernel Image. I Yes. Only the kernel is executable code and has an entry point. > YES. You are right I am building the image on x86 (Windows platform). > But I checked the build log it used the -r option. The default build was > cpio format and after that using fstool converting to CRAMS and the > option -r was present .I believe that devrocket of MountaVista has > makefiles specific to OS i.e for Windows, because while installation it > asks for what type of OS do you want to have the Image Development > environment. Maybe you should ask MV support, then. Best regards, Wolfgang Denk -- See us @ Embedded World, Nuremberg, Feb 22 - 24, Hall 10.0 Booth 310 Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@denx.de It is clear that the individual who persecutes a man, his brother, because he is not of the same opinion, is a monster. - Voltaire Confidentiality Notice=0D The information contained in this electronic message and any attachments to= this message are intended for the exclusive use of the addressee(s) and may contain confidential or= privileged information. If you are not the intended recipient, please notify the sender at Wipro or= Mailadmin@wipro.com immediately and destroy all copies of this message and any attachments. ------_=_NextPart_001_01C514B0.57A1C90E Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Re: Mounta Vista Linux prompt on serial console
Sorry if I am= eating away=0D your time .. but now it has come to some stage ..able to decompress image= of=0D ramdisk image ( with ext2 in it)
 

But the problem is that it was stopping= at

"No init found. =0D Try passing init=3D option to kernel". Before that there were no= errors.=0D Everthing looks fine Mounted VFS root file system was also seen. From the= net I=0D understood is that the fstab file was the cause. So edited the filesytem=0D parameter for / as /dev/ram earlier it used to be=0D /dev/root.

 

The fstab file is like this.=

 

/dev/ram      /           =0D auto        =0D defaults,errors=3Dremount-ro

/proc        =0D /proc       =0D proc        =0D defaults

 

So please tell me whether the given fstab file will= suffice?=0D The filesystem image was build for ext2. I tried wih CRAMFS but some=0D decompressing error was coming where as the ext2 filesystem image was= working=0D fine.

 

 

2. I have one more doubt /sbin/init utility= comes with=0D what package? Because in /sbin directory although the init binary is= present,=0D not shown in the file system heirarchy view. For eg. if I select DHCPD= package=0D then able to see dhcpd related binary in the /sbin similarly my question= was=0D which package has to be selected to have init included.

 

Thanks & Regards

Surabhi Srinivas

From: Wolfgang Denk=0D [mailto:wd@denx.de]
Sent: Thu 2/17/2005 1:30 AM
To:= Srinivas=0D Surabhi (WT01 - EMBEDDED & PRODUCT ENGINEERING SOLUTIONS)
Cc:= =0D linuxppc-embedded@ozlabs.org
Subject: Re: Mounta Vista Linux= prompt on=0D serial console

In message=0D <EF9B29C78F41FA488927FCBC7750AF0E011DA5D1@hyd-mdp-msg.wipro.com> you= =0D wrote:
>
> cramfs is 2.7MB where as the RAM size is 32MB. While= =0D building ofcourse
> the RAMDISK size was told as 8MB. This I= mentioned in=0D the devrocket

What has the ramdisk to do  here? = Either =0D you  are  using  a  cramfs
filesystem, or a ramdisk= =0D (probably with an ext2 filesystem in it).

Putting cramfs filesystem= in a=0D ramdisk image is a pretty bad idea.

> Here I have one doubt while= =0D building the uBoot image using mkImage with
> multi option where was= the=0D FileSystem image getting downloaded ? and how

A multi-file image in= =0D U-Boot indeed requires a  ramdisk  image.  Then
you = =0D should  not  use a cramfs filesystem. The method for loading=0D tha
ramdisk image is described in the U-Boot "README"  file; = =0D search  for
"positioning of initrd images".

> the= downloaded=0D location was known to the kernel Image for pointing out
> the File= System=0D image location. The options -a and -e are applicable
> only for first= =0D image, isn't it? First image I mean the kernel Image. I

Yes. Only= the=0D kernel is executable code and has an entry point.

> YES. You are= right=0D I am building the image on x86 (Windows platform).
> But I checked= the=0D build log it used the -r option. The default build was
> cpio format= and=0D after that using fstool converting to CRAMS and the
> option -r was=0D present .I believe that devrocket of MountaVista has
> makefiles= specific=0D to OS i.e for Windows, because while installation it
> asks for what= type=0D of OS do you want to have the Image Development
>=0D environment.

Maybe you should ask MV support, then.

Best=0D regards,

Wolfgang Denk

--
See us @ Embedded World,= Nuremberg,=0D Feb 22 - 24,  Hall 10.0 Booth 310
Phone: (+49)-8142-66989-10 Fax:=0D (+49)-8142-66989-80 Email: wd@denx.de
It is clear that the individual= who=0D persecutes a  man,  his  brother,
because he is not of= the=0D same opinion, is a monster.       -=0D Voltaire



Confidentiality Notice

The information contained in this electronic message and any attachments to= this message are intended
for the exclusive use of the addressee(s) and may contain confidential or= privileged information. If
you are not the intended recipient, please notify the sender at Wipro or= Mailadmin@wipro.com immediately
and destroy all copies of this message and any attachments.
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