RE: [uCsimm] ADS and uClinux

From: Zhang Hong-W17904 (H.Zhang@motorola.com)
Date: Fri Oct 13 2000 - 04:00:15 EDT


Thanks, Edward and Vladimir. However, It always display "ERROR 420-cannot
connect to the server" when I tried to get access to V.A.G's site. So could
anyone send me vag's patch?

Zhang Hong

> -----Original Message-----
> From: Edward Benavides [mailto:benasmith@earthlink.net]
> Sent: Friday, October 13, 2000 12:42 PM
> To: ucsimm@uClinux.com
> Subject: Re: [uCsimm] ADS and uClinux
>
>
> Hey:
> Have you tried Vlads romfs.b and linux.b from the ftp site?
> You should first try there to make sure that your romfs is
> not corrupt.
>
> ftp://ftp.employees.org/vag
>
>
> Zhang Hong wrote:
>
> > I always get the following log message whatever I start the
> kernel from ram or flash
> > targeted for ADS board. It seems that my romfs filesystem,
> would anybody like to
> > give me a hand? Thanks in advance.
> >
> > Blkmem 1 disk images:
> > 0: 10000000-FFFFFFF (RO)
> > PPP: version 2.2.0 (dynamic channel allocation)
> > TCP compression code copyright 1989 Regents of the
> University of California
> > PPP Dynamic channel allocation code copyright 1995 Caldera, Inc.
> > PPP line discipline registered.
> > SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256).
> > CSLIP: code copyright 1989 Regents of the University of California.
> > Open of blkmem arena 0 at 10000000, length 0
> > attempt to access beyond end of device
> > 1f:00: rw=0, want=1, limit=0
> > romfs: unable to read superblock
> > attempt to access beyond end of device
> > 1f:00: rw=0, want=2, limit=0
> > EXT-fs: unable to read superblock
> > Kernel panic: VFS: Unable to mount root fs on 1f:00
> >
> > Zhang Hong
> >
> > Vladimir Gurevich wrote:
> >
> > > Hello Edward,
> > >
> > > This is pretty strange. In fact, I have M68EZ328ADS board
> at home and
> > > I tested all the images before I put them on the FTP site.
> > >
> > > Don't worry about the start address 0x1004 for at_flash.b It is
> > > correct, that's how the program (originally from Motorola) was
> > > written.
> > >
> > > Did it execute correctly? (It should have printed some
> dots and then
> > > "DONE" at the end). Was heartbeat still OK after
> at_flash.b execution?
> > >
> > > After at_flash.b execution, please check memory at
> 0x200000 and make
> > > sure it looks the same as the contents of the .b file
> (oh, btw, hope
> > > you made sure that all .b.gz files were decompressed!)
> > >
> > > You have to open both SW-2/6 and SW-2/7 on the board and then
> > > press the Reset button.
> > >
> > > Another thing is that you have to make sure that your bbug program
> > > does not attempt to initialize the board on its own. All
> initialization
> > > is contained in the beginning of at_flash.b Anything else
> might screw
> > > things up.
> > >
> > > I'll try to re-check the image this evening when I come back home,
> > > but I am pretty sure it should work.
> > >
> > > If it still doesn't let me know. In the worst case
> remember that it
> > > is only about 2-3 hours drive from your place to mine!
> > >
> > > Happy hacking,
> > > Vladimir
> > > --
> > >
> +------------------+------------------------+-----------------
> ---------+
> > > | | | |
> > > | :|: :|: | phone
> 408-525-9707
> > > Vladimir Gurevich | :|||: :|||: | fax
> 408-525-9707
> > > Software Engineer | .:|||||||:..:|||||||:. |
> > > RABU | CiscoSystems | e-mail
> vgurevic@cisco.com
> > > | | location
> SJ-7-2 Cube D1-12
> > > | http://www.cisco.com |
> > >
> +------------------+------------------------+-----------------
> ---------+
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http://www.uClinux.com/
>
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