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Question

ArmHF RootFS

posted in IGEPv2
Wednesday, October 15 2014, 03:43 PM
carsanbu
carsanbu
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Hi all,

I'm reading in the wiki about install the mainline kernel and the Robert Nelson's RootFS.

I want to use the ArmHF RootFS but I read this:
There is one Big fat warning though. You need to use the 'armel' version of the image. The 'armhf' version will give you a lot of segmentation errors and doesn't work as expected.

So my question is, what's the problem with armhf RootFS and why doesn't work properly?

Regards,
Carlos.
Responses (14)
  • Accepted Answer

    Thursday, October 16 2014, 09:12 AM - #permalink
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    I've custom armhf rootfs with kernel 3.17 and works for me, the only that doesn't work at the moment is the DSP stuff. So IMHO I'll recommend to try it. OTOH maybe Freddy can give us more light about this.
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  • Accepted Answer

    carsanbu
    carsanbu
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    Monday, October 20 2014, 10:41 AM - #permalink
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    Ok, I tried, but I'm getting some unpredictable beheviour, sometimes I get kernel panics like:
    [ 4.956390] EXT4-fs (mmcblk0p2): recovery complete
    [ 4.966705] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
    [ 4.975311] VFS: Mounted root (ext4 filesystem) on device 179:2.
    [ 4.995269] devtmpfs: mounted
    [ 4.999237] Freeing unused kernel memory: 416K (c0872000 - c08da000)
    Mount failed for selinuxfs on /sys/fs/selinux: No such file or directory
    [ 5.480773] random: init urandom read with 60 bits of entropy available
    [ 5.930908] init: plymouth-upstart-bridge main process (54) terminated with status 1
    [ 5.943664] init: plymouth-upstart-bridge main process ended, respawning
    [ 6.151153] init: ureadahead main process (57) terminated with status 5
    [ 6.174865] init: plymouth-upstart-bridge main process (64) terminated with status 1
    [ 6.183441] init: plymouth-upstart-bridge main process ended, respawning
    [ 6.236236] init: Caught segmentation fault, core dumped
    [ 6.251464] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000b00
    [ 6.251464]
    [ 6.261169] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000b00
    [ 6.261169]
    [ 33.806121] random: nonblocking pool is initialized

    And sometimes I don't get kernel panics but Upstart never start:
    [ 2.948242] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
    [ 2.956939] VFS: Mounted root (ext4 filesystem) on device 179:2.
    [ 2.977050] devtmpfs: mounted
    [ 2.980926] Freeing unused kernel memory: 416K (c0872000 - c08da000)
    Mount failed for selinuxfs on /sys/fs/selinux: No such file or directory
    [ 3.480377] random: init urandom read with 42 bits of entropy available
    [ 3.935241] init: plymouth-upstart-bridge main process (54) terminated with status 1
    [ 3.958190] init: plymouth-upstart-bridge main process ended, respawning
    [ 4.157135] init: ureadahead main process (57) terminated with status 5
    [ 4.191070] init: plymouth-upstart-bridge main process (64) terminated with status 1
    [ 4.200225] init: plymouth-upstart-bridge main process ended, respawning
    [ 18.061889] random: nonblocking pool is initialized

    And that's all, nothing notice about upstart.
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  • Accepted Answer

    Friday, October 24 2014, 09:01 AM - #permalink
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    Which kernel version are you using ?
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  • Accepted Answer

    carsanbu
    carsanbu
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    Friday, October 24 2014, 10:09 AM - #permalink
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    I'm using mainline kernel 3.17 cross-compiled with arm-linux-gnueabihf.
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  • Accepted Answer

    Thursday, October 30 2014, 08:59 AM - #permalink
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    Make sure that CONFIG_ARM_ERRATA_430973=y is enabled in your kernel configuration.
    Like
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  • Accepted Answer

    carsanbu
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    Thursday, October 30 2014, 10:05 AM - #permalink
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    Thank you, works! If you want, I can update the wiki with this information. ArmHF is supported now with mainline kernel :)
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  • Accepted Answer

    Thursday, October 30 2014, 10:21 AM - #permalink
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    Yes, please, wiki is open to all contributions :)
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  • Accepted Answer

    fmartens
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    Monday, November 24 2014, 09:23 PM - #permalink
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    Sorry for missing this thread, I just became Daddy 2.0 (it's a son named Jelle) and that took more time than anticipated ;-)

    eballetbo wrote:

    Make sure that CONFIG_ARM_ERRATA_430973=y is enabled in your kernel configuration.


    Thank you and carsanbu for updating the wiki.
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  • Accepted Answer

    fmartens
    fmartens
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    Friday, December 26 2014, 10:45 AM - #permalink
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    Hi all,

    What type of board are you using, I just found out that an RC3 is not working, it stops at "Starting kernel...". Havent figured out yet why.
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  • Accepted Answer

    carsanbu
    carsanbu
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    Wednesday, January 07 2015, 01:28 PM - #permalink
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    I don't know, I can't see RC number in my board. Where is it?
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  • Accepted Answer

    fmartens
    fmartens
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    Saturday, February 28 2015, 09:59 PM - #permalink
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    There is a small white section on the PCB with a hand-written 3 on it.

    Sorry for not responding earlier, being daddy 2.0 consumes a bit more time than anticipated :-)
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  • Accepted Answer

    carsanbu
    carsanbu
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    Tuesday, March 10 2015, 03:26 PM - #permalink
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    Hi,

    Yes, but my white section is completely white, no hand-written numbers in it :/
    I have my board from the last autum, it's all I can say you.

    Regards.
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  • Accepted Answer

    Monday, March 16 2015, 06:52 PM - #permalink
    0
    Hi guys,

    Since 2013 year, IGEP board are shipped with barecode label (no more handmade code)
    http://labs.isee.biz/index.php/IGEP_Technology_devices_revisions

    So, you should see something like:

    IGEP0020-RC61 for IGEPv2 DM3730 WIFI
    IGEP0020-RC7 for IGEPv2 DM3730 NO WIFI

    IGEP0030-RE63 for IGEP COM MODULE DM3730 WIFI
    IGEP0030-RE73 for IGEP COM MODULE DM3730 NO WIFI

    Cheers,
    Agusti
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  • Accepted Answer

    carsanbu
    carsanbu
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    Tuesday, March 17 2015, 08:36 AM - #permalink
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    Yes! Now I see this: IGEP0020-RC61
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