Re: partitions (your discussion at http://lists.infradead.org)

Re: partitions (your discussion at http://lists.infradead.org)

[Baruch Siach]

Hi Zoli,

On Fri, Aug 21, 2015 at 02:32:31PM +0200, Zoltán Sebök wrote:
> My issue is a bit different than this, but I don't know who to contact
> instead. However, the same thing is, that I get this error message...
> 
> stat /dev/nand0.xload.bb: No such file or directory
> 
> ...when tying to erase the MLO partition (nand0.xload.bb) of the NAND
> flash. This is from *inside a script, using this line:*
> 
> cp /boot/swm/MLO /dev/nand0.xload.bb
> 
> This is the first step my script does after mounting the SD card. It's
> purpose is a complete NAND flash update task.
> 
> Maybe important: The script that I use for the flashing isn't starting
> directly via /env/init. Instead of that it sits on the SD card's FAT
> partition and is being invoked by another script which is located in
> /env/init.
> 
> When I alter my script to your solution...
> 
> cp /boot/swm/MLO /dev/nand0.xload
> 
> ...it drops the same error. My script has error checking, so it stops at
> this point.
> 
> Same on all other partitions:
> cp /boot/swm/barebox.bin /dev/nand0.barebox.bb
> cp /boot/swm/linuximage /dev/nand0.kernel.bb
> 
> When I invoke my original flash script manually inside barebox, everything
> goes fine.
> 
> So, what's the matter with barebox?
> 
> I am new to linux especially learnt about barebox just a few days ago, so
> please explain in details, what to do to get this working from inside a
> script.

Make sure that the 'addpart' command runs before any other command that 
attempts to access /dev/nand0.*.bb.

baruch

-- 
     http://baruch.siach.name/blog/                  ~. .~   Tk Open Systems
=}------------------------------------------------ooO--U--Ooo------------{=
   - baruch@tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il -

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Re: partitions (your discussion at http://lists.infradead.org)

[Baruch Siach]

Hi Zoli,

Please keep the list on Cc.

On Sat, Aug 22, 2015 at 10:27:22PM +0200, Zoltán Sebők wrote:
> Can you please give more details? How does the syntax look like?

See the syntax at 
http://www.barebox.org/doc/latest/commands/part/addpart.html.

> Assuming that this command is being executed after my scripts have run, 
> there are several other scripts inside /env/init. Unfortunately, I don't 
> have the device here right now to look. So, could you give me a hint, where 
> to look for it, when I can get hands on the device again?

There is no standard location of that command. Just grep your /env scripts for 
addpart.

baruch

> Am 22. August 2015 22:15:49 MESZ, schrieb Baruch Siach <baruch@tkos.co.il>:
> >On Fri, Aug 21, 2015 at 02:32:31PM +0200, Zoltán Sebök wrote:
> >> My issue is a bit different than this, but I don't know who to
> >contact
> >> instead. However, the same thing is, that I get this error message...
> >> 
> >> stat /dev/nand0.xload.bb: No such file or directory
> >> 
> >> ...when tying to erase the MLO partition (nand0.xload.bb) of the NAND
> >> flash. This is from *inside a script, using this line:*
> >> 
> >> cp /boot/swm/MLO /dev/nand0.xload.bb
> >> 
> >> This is the first step my script does after mounting the SD card.
> >It's
> >> purpose is a complete NAND flash update task.
> >> 
> >> Maybe important: The script that I use for the flashing isn't
> >starting
> >> directly via /env/init. Instead of that it sits on the SD card's FAT
> >> partition and is being invoked by another script which is located in
> >> /env/init.
> >> 
> >> When I alter my script to your solution...
> >> 
> >> cp /boot/swm/MLO /dev/nand0.xload
> >> 
> >> ...it drops the same error. My script has error checking, so it stops
> >at
> >> this point.
> >> 
> >> Same on all other partitions:
> >> cp /boot/swm/barebox.bin /dev/nand0.barebox.bb
> >> cp /boot/swm/linuximage /dev/nand0.kernel.bb
> >> 
> >> When I invoke my original flash script manually inside barebox,
> >everything
> >> goes fine.
> >> 
> >> So, what's the matter with barebox?
> >> 
> >> I am new to linux especially learnt about barebox just a few days
> >ago, so
> >> please explain in details, what to do to get this working from inside
> >a
> >> script.
> >
> >Make sure that the 'addpart' command runs before any other command that
> >
> >attempts to access /dev/nand0.*.bb.
> >
> >baruch

-- 
     http://baruch.siach.name/blog/                  ~. .~   Tk Open Systems
=}------------------------------------------------ooO--U--Ooo------------{=
   - baruch@tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il -

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