Re: [Gumstix-users] Bad Idea looking for good results

[Marshall C. <ma...@gm...>]

I found this thread:

http://e2e.ti.com/support/embedded/f/354/p/56971/203301.aspx

Make sure you're setting your kernel nfs parameters correctly.

On Thu, Mar 24, 2011 at 4:52 PM, Ben Johnson <mya...@gm...> wrote:
> You were right about the MAC address.  It can't be 00:00:00:00:00:00 or
> FF:FF:FF:FF:FF:FF.  I set it to another number and now it is almost working.
>  I was unable to get it to fully boot.  At the very end I get these
> messages:
> [   74.258300] Root-NFS: Unable to get mountd port number from server, using
> default
> [  109.314788] Root-NFS: Server returned error -110 while mounting
> /exports/overo
> [  109.322540] VFS: Unable to mount root fs via NFS, trying floppy.
> [  109.329010] List of all partitions:
> [  109.332824] 1f00             512 mtdblock0 (driver?)
> [  109.337921] 1f01            1792 mtdblock1 (driver?)
> [  109.342987] 1f02             256 mtdblock2 (driver?)
> [  109.348083] 1f03            4096 mtdblock3 (driver?)
> [  109.353118] 1f04          255488 mtdblock4 (driver?)
> [  109.358245] b300         7830528 mmcblk0 driver: mmcblk
> [  109.363616]   b301           40131 mmcblk0p1
> [  109.367950]   b302         2104515 mmcblk0p2
> [  109.372344]   b303         5678977 mmcblk0p3
> [  109.376770] No filesystem could mount root, tried:  nfs
> [  109.382049] Kernel panic - not syncing: VFS: Unable to mount root fs on
> unknown-block(2,0)
>
> I thought I have enabled the nfs port 2049 both udp and tcp on my server.
>  Anything else to try on the server side?
> On Thu, Mar 24, 2011 at 3:42 PM, Marshall Crocker <ma...@gm...> wrote:
>>
>> Looks like you need to set a valid MAC address.  I have no idea how to
>> determine what is the MAC address of your particular Ethernet chip.
>> Was it written on any of the documentation you received?  It seems to
>> me uboot should be able to read the MAC from the chip but I honestly
>> have no idea how uboot handles Ethernet.  What expansion board are you
>> using?
>>
>> Marshall
>>
>> On Thu, Mar 24, 2011 at 4:20 PM, Ben Johnson <mya...@gm...>
>> wrote:
>> > So I am taking to the idea of a net boot.  I have been experimenting
>> > with a
>> > doc I found at:
>> >
>> > http://www.jumpnowtek.com/index.php?option=com_content&view=article&id=48&Itemid=55
>> >
>> > Although I am getting an error:
>> > tftp ${loadaddr} uImage
>> > smc911x: detected LAN9221 controller
>> > smc911x: autonegotiation timed out
>> > smc911x: MAC 00:00:00:00:00:00
>> > *** ERROR: `ethaddr' not set
>> > smc911x: detected LAN9221 controller
>> > smc911x: autonegotiation timed out
>> > smc911x: MAC 00:00:00:00:00:00
>> > I tired to set the ethaddr using:
>> >
>> > setenv ethaddr FF:FF:FF:FF:FF:FF
>> >
>> > then
>> >
>> > saveenv
>> > However I get the same error.  Any ideas of how to resolve this error?
>> > Thanks,
>> > Ben
>> >
>> > On Thu, Mar 24, 2011 at 12:31 PM, Marshall Crocker <ma...@gm...>
>> > wrote:
>> >>
>> >> Yikes...very bad idea indeed....you should have used hot glue or
>> >> something less permanent.
>> >>
>> >> I think your only option now is to do a net boot
>> >> http://wiki.gumstix.org/index.php?title=Category:How_to_-_Network_Boot
>> >> of course that will require an expansion board with ethernet.  You may
>> >> also be able to boot using the serial port but I have no idea how or
>> >> if its possible at all.
>> >>
>> >> Marshall
>> >>
>> >>
>> >>
>> >> On Thu, Mar 24, 2011 at 11:48 AM, Ben Johnson
>> >> <mya...@gm...> wrote:
>> >> > Kevin,
>> >> > Thanks for the fast response.  One quick follow-up question.  It
>> >> > looks
>> >> > like
>> >> > the doc on the gumstix site requires a bootable SD card which I don't
>> >> > have
>> >> > access to.  Is there some part that I am missing?
>> >> >
>> >> > On Thu, Mar 24, 2011 at 10:36 AM, Kevin Kowalewski
>> >> > <kow...@gm...> wrote:
>> >> >>
>> >> >> Hi,
>> >> >>
>> >> >> Yes it looks like one of the images on the NAND may have been
>> >> >> corrputed.
>> >> >> You can find documentation on how to reflash the device from:
>> >> >> http://www.gumstix.org/how-to/70-writing-images-to-flash.html
>> >> >>
>> >> >> It has the instructions on writing the images you can download from:
>> >> >> http://cumulus.gumstix.org/images/angstrom/factory/  to the device's
>> >> >> NAND.
>> >> >>
>> >> >> Thanks,
>> >> >> Kevin
>> >> >>
>> >> >> On Thu, Mar 24, 2011 at 12:21 PM, Ben Johnson
>> >> >> <mya...@gm...>
>> >> >> wrote:
>> >> >>>
>> >> >>> Hello All,
>> >> >>>   So I don't recommend this, but I have been gluing in my SD cards
>> >> >>> so
>> >> >>> that there is not possible chance that they will come out.  I
>> >> >>> mostly
>> >> >>> have no
>> >> >>> trouble with it, except for the other day.  The file system on my
>> >> >>> SD
>> >> >>> card
>> >> >>> became corrupted and I can no longer get it to mount. I have an
>> >> >>> overo
>> >> >>> water
>> >> >>> so I didn't think it was going to be that big of a deal.  I would
>> >> >>> just
>> >> >>> boot
>> >> >>> from nand and then fix my file system. However when I went to boot
>> >> >>> from nand
>> >> >>> I got the following message.
>> >> >>> Overo # run nandboot
>> >> >>> Booting from nand ...
>> >> >>> NAND read: device 0 offset 0x280000, size 0x400000
>> >> >>>  4194304 bytes read: OK
>> >> >>> Wrong Image Format for bootm command
>> >> >>> ERROR: can't get kernel image!
>> >> >>> Has any one seen this?  I searched for some docs on reflashing the
>> >> >>> nand
>> >> >>> but the ones that I have found involve a bootable SD card which is
>> >> >>> not
>> >> >>> an
>> >> >>> option.  Does anyone have any good docs on using a NFS or using
>> >> >>> tftpboot to
>> >> >>> reflash the nand?
>> >> >>> Thanks,
>> >> >>> Ben
>> >> >>>
>> >> >>>
>> >> >>>
>> >> >>> ------------------------------------------------------------------------------
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