[Elphel-support] camera bricked after re-flashing to elphel353-8.0.9 :(

[Alexandre Poltorak]

Important point - the camera should be connected to the PC directly, some
switches block the broadcast packages from netboot.

Alexandre

On Wed, Nov 17, 2010 at 7:44 PM, Oleg K Dzhimiev <oleg at elphel.com> wrote:

> Akos,
>
> Does your PC loses ip when you disconnect the camera?
> Could you check its ip after you launch ./netboot... (having "Starting
> boot...") when the cam is disconnnected before putting it to the netboot
> mode (you wrote somewhere the camera was connected directly to the PC).
>
> Best regards,
> Oleg
>
>
> On 17 November 2010 10:11, Ákos Maróy <akos at maroy.hu> wrote:
>
>> On 18/11/10 00:14, Andrey Filippov wrote:
>> > Akos,
>> >
>> > Did you put the camera in netboot mode ("yellow led lights up
>> > constantly, while the green led flashes
>> > vigorously for a while.") before starting the program? This is safer,
>>
>> yes.
>>
>> I tried both ways:
>>
>> - start the netboot program, then do the netboot mode on the camera (as
>> advised by the wiki page)
>> - netboot mode on the camera (flashy green lights), then start the
>> netboot script, while the green light still flashes
>>
>> I get the same effect :(
>>
>> > because if the program starts first and you connect/disconnect cable one
>> > more time after it already entered netboot mode, the program can be
>> > already past the  first part of the "dialog" with the camera and that
>> > communication will break after camera is back into the "start" state.
>> > Netboot mode is turned on by analog capacitor-based circuitry, so there
>> > is no exact number of connections/disconnections needed to switch -
>> > usually it happens on 3-rd, fourth or fifth time.
>>
>> yes, it happens something like that
>>
>> > But in your case it seems that something is wrong in either the software
>> > built or maybe even some permissions for accessing Ethernet port. Can
>> > you please compress and send build.log file (it should be in the top
>> > installation directory)?
>>
>> sure, it's quite large, so I'll send in private. although I have to
>> point out, the build did not go through (see my mail about the failing
>> build). but, I'm trying to flash the 'stock' 8.0.9 image, not the one I
>> build. I just entered the build process so that I have the netboot
>> script and the etraxfsboot & related executables around...
>>
>>
>> Akos
>>
>>
>> _______________________________________________
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>> Support-list at support.elphel.com
>> http://support.elphel.com/mailman/listinfo/support-list_support.elphel.com
>>
>
>
>
> --
> Best regards,
> Oleg Dzhimiev
> Electronics Engineer
> phone: +1 801 783 5555 x124
> Elphel, Inc.
>
>
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>
>
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