[Elphel-support] Elphel 393 Question

Oleg support-list at support.elphel.com
Wed Feb 21 10:34:41 PST 2018


Hi Mohamed,

10.4.1.4 is that elphel's ip.
> Do you know how to resolve this issue?


The default IP is 192.168.0.9
On the 10393 there's a micro USB port - this is serial console:

> https://wiki.elphel.com/wiki/Tmp_manual > *serial console access*.


Do you use it? See any bootlog when power on?

Todd was changing the default IP addresses like this:
https://wiki.elphel.com/wiki/Tmp_manual > *Change_default_ip_address*

Regards,
Oleg

On Wed, Feb 21, 2018 at 11:18 AM, Mohamed Morsy <mmorsy at redzone.com> wrote:

> Hello Oleg,
>
> I was having some difficulties with my linux computer so I hold off on
> this. I followed your instructions and I increased the php upload limit and
> I was able to upload rootfs. I'm still having some issues. Here's what I've
> done:
> 1. Put recovery card in elphel
> 2. Went to  http://camera-ip-address/update_software.html and flashed it
> from NAND folder
> 3. Powered off elphel.
> 4. Removed card
> 5. Powered on elphel
>
> Now the connection is not working. In my terminal I typed arp and i got
> this result
>
> Address                  HWtype    HWaddress
> 10.4.1.4                                   (incomplete)
>
> 10.4.1.4 is that elphel's ip.
>
> Do you know how to resolve this issue?
>
> Thanks,
>
> Mohamed Morsy
>
> On Tue, Feb 20, 2018 at 12:49 PM, Oleg <support-list at support.elphel.com>
> wrote:
>
>> Hi Mohamed,
>>
>>
>>> However, I'm still having the same problem. On one of my elphels, when I
>>> use the recovery card it works fine but when I remove the card the feed is
>>> very laggy. Do you know what the issue is?
>>
>> It's hard to say without seeing the actual bootlog. If you boot from
>> recovery card, uploaded and flashed *boot.bin*, *u-boot-dtb.img*,
>> *devicetree.dtb* and *uImage*, but not rootfs.ubi - I would expect some
>> kind of "kernel panic" on any of the boards.
>>
>>
>>> Also, when I uploaded the files to ipaddress/update_software.html the
>>> rootf file would not upload. I don't know if that is a problem.
>>
>> The Note in my previous letter addresses this problem - the upload limit
>> in php on the recovery card. There are 3 options:
>> 1. Copy rootfs.ubi manually
>>
>>    - http://camera-ip/update_software.html
>>    - upload all files except rootfs.ubi
>>    - from PC terminal window:
>>
>> ...$ scp rootfs.ubi root at camera-ip:/var/volatile/html/update/
>>
>>
>>    - go back to http://camera-ip/update_software.html - hit 'verify' and
>>    you should see rootfs in the list
>>
>> 2. Increase php upload limit of the recovery image on the card
>>
>> 2a. when boot from the recovery card:
>>
>>    - boot from the recovery card
>>    - In the browser: http://camera-ip/phpinfo.php - find: *post_max_size*
>>    and *upload_max_filesize *- they are 128M probably.
>>    - from PC terminal window:
>>
>> ...$ ssh root at camera-ip
>>
>>
>>    - Edit the /etc/php/php.ini - you will see that the limit is less
>>    than rootfs size - increase it so it will read:
>>
>> upload_max_filesize = 512M
>>>
>>>
>>>
>>> post_max_size = 512M
>>
>>
>>    - sync command just makes sure changes are stored on the card.
>>
>> root at elphel393:~# sync
>>
>>
>>    - restart web server (or reboot)
>>
>> root at elphel393:~# /etc/init.d/lighttpd restart
>>
>>
>>    - In the browser: http://camera-ip/phpinfo.php - check if those
>>    variables have changed to 512.
>>    - In the browser: http://camera-ip/update_software.html - upload
>>    rootfs, and other files as well
>>
>> 2b. If you have a linux os and a usb card reader - insert in PC, mount
>> rootfs partition and edit /mountpoint/etc/php/php.ini as in 2a.
>>
>> 3. Update recovery card. This option requires linux os and a usb card
>> reader... and a few programs installed: parted, kpartx
>>
>>    - insert the card - check with dmesg the device name, you will see
>>    something like this:
>>
>> [83470.681265] sd 6:0:0:0: [sdb] 7806976 512-byte logical blocks: (4.00
>>> GB/3.72 GiB)
>>> [83470.686369]  *sdb*: sdb1 sdb2
>>
>> If the card is discovered by PC as *mmcblk0* then the script will not
>> work - as I didn't cover this case.
>>
>>    - Open konsole, using 'cd' navigate to write_bootable_mmc.py in the
>>    unpacked firmware image (elphel393_20180130/mmc/)
>>    - ...$ sudo ./write_bootable_mmc.py */dev/sdb* (sdb as reported by
>>    dmesg - this is important)
>>    - After the script is done - boot this from this card.
>>
>> Best regards,
>> Oleg Dzhimiev
>> Electronics Engineer
>> phone: +1 801 783 5555 x124 <(801)%20783-5555>
>> Elphel, Inc.
>>
>> On Feb 20, 2018 8:20 AM, "Mohamed Morsy" <mmorsy at redzone.com> wrote:
>>
>> Hi Oleg,
>>
>> Thank you for your help. However, I'm still having the same problem. On
>> one of my elphels, when I use the recovery card it works fine but when I
>> remove the card the feed is very laggy. Do you know what the issue is?
>> Also, when I uploaded the files to ipaddress/update_software.html the rootf
>> file would not upload. I don't know if that is a problem.
>>
>> Thanks,
>>
>> Mohamed
>>
>> On Mon, Feb 19, 2018 at 6:27 PM, Oleg <support-list at support.elphel.com>
>> wrote:
>>
>>> Hi,
>>>
>>> I have 2 Elphel 393 boards and I believe both of their internal flash
>>>> are corrupt or old. I am trying to update them. Do you have a link for the
>>>> files or any instructions on how to do so?
>>>>
>>>
>>> Before updating:
>>> How are you trying to update them? What image do you use?
>>>
>>> Update instructions:
>>> 1. The latest is 20180130 - download and unpack archive from here:
>>> https://community.elphel.com/files/393/20180130/ (a list of firmware
>>> images can be found here
>>> <https://wiki.elphel.com/wiki/Tmp_manual#Firmware_images>)
>>> 2. Inside there's readme.md with instructions and images for SD card
>>> and the internal flash.
>>>
>>> Note: if you have an old recovery card you will probably need to create
>>> a new one as rootfs grew a bit bigger than php's upload limit. There's a
>>> script (*write_bootable_mmc.py*) that will partition the card - it's
>>> linux only.
>>> Alternatively you can increase the limit:
>>>
>>>
>>>    - boot from the recovery card (default ip address is 192.168.0.9 -
>>>    change with ifconfig if needed)
>>>    - ssh root at camera-ip-address
>>>    - (using nano or vi) edit /etc/php/php.ini:
>>>
>>> upload_max_filesize = 512M
>>>> post_max_size = 512M
>>>
>>>
>>>    - save, restart lighttpd or reboot, then 3.
>>>
>>> 3. Once boot from a recovery card:
>>>
>>>    - go to http://camera-ip-address/update_software.html
>>>    - upload all files from *nand/* folder
>>>    - hit flash, wait until done
>>>    - power off, remove card, power on
>>>
>>> Let me know if you have any further questions.
>>>
>>> Best regards,
>>> Oleg Dzhimiev
>>> Electronics Engineer
>>> phone: +1 801 783 5555 x124 <(801)%20783-5555>
>>> Elphel, Inc.
>>>
>>
>>
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>> ort.elphel.com
>>
>>
>>
>
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