[U-Boot] 'usb start' works very unstable

Prafulla Wadaskar
2010-08-07T19:35:05Z

> -----Original Message-----
> From: u-boot-bounces at lists.denx.de
> [mailto:u-boot-bounces at lists.denx.de] On Behalf Of Wolfgang Denk
> Sent: Saturday, August 07, 2010 9:18 PM
> To: Sergei Trofimovich
> Cc: u-boot at lists.denx.de
> Subject: Re: [U-Boot] 'usb start' works very unstable
>
> Dear Sergei Trofimovich,
>
> In message <20100807163957.52c1cceb@mosly> you wrote:
> >
> > > > Heh, capacity is reported incorrectly, but it works am I'm able
> > > > to load kernel from there.
> > > The reason for this is that the multiplication 488397168
> x 512 will
> > > overflow a 32 bit integer as used in "disk/part.c"; this shouldbe
> > > fixed...
> >
> > This issue is still here:
>
> Sorry for not being clear. What I meant was: this is a bug that needs
> to be fixed (patches welcome).
>
>
> > And I can't reproduce it anymore with 'u-boot/master'.
> > Rebooted 3 times and I have stable detection \o/.
>
> Good. At least one problem solved.
>
> > $sudo openocd -f /usr/share/openocd/scripts/board/sheevaplug.cfg
> > Open On-Chip Debugger 0.5.0-dev-00466-g28ddefd
> (2010-08-06-22:54)
> > ...
> > > reset
>
> Hm... I am not sure what exactly the OpenOCD debugger does when you
> run the reset command; eventually it performs some initializations
> (defined in sheevaplug.cfg ?), and/or prevents others. The CPU may, or
> may not, be in the virgin state expected by U-Boot.

It just perform system reset operation and resumes operation normally unless we halt if through debug commands

Regards..
Prafulla . .