Andrew Findlay

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Posts posted by Andrew Findlay


  1. I have a Cubox that has been running Debian Wheezy for a while and I want to do a clean install of Jessie on it.

    I downloaded Armbian_5.00_Cubox-i_Debian_jessie_4.4.1 and wrote it to SD card, but it won't boot.

    The error is:

        Unknown command 'bootz'

     

    I rather suspect that my Cubox is not a Cubox-i - possibly an earlier version that does not support compressed kernels.

    Is there some way I can work around this? Maybe re-flash the bootloader, or uncompress the kernel on another system perhaps?

     

    Thanks

     

    Andrew


  2. Since updating to the (vanilla) 4.3.3 kernel, my Cubietruck has not read the real-time clock at boot time.

    This causes all log messages to show "Jan  1 01:00:10" until the NTP daemon kicks in. It also causes cron to remain confused about daylight savings until it is restarted.

     

    Looking at the release history at http://www.armbian.com/logbook/I see that v4.81 / 28.12.2015 includes a fix for a "Jessie RTC bug". Unfortunately it seems that this release has introduced an RTC bug!

     

    What was the fix, and is there an option I can use to reverse it?

     

    Before the update the boot messages looked like this:

     

    Jan 14 00:45:07 localhost kernel: [    0.000000] Linux version 4.2.6-sunxi (root@production) (gcc version 4.8.2 (Ubuntu/Linaro 4.8.2-16ubuntu4) ) #1 SMP Sun Nov 29 10:33:44 CET 2015
    ...

    Jan 14 00:45:07 localhost kernel: [    0.000000] Kernel command line: console=tty1 root=/dev/mmcblk0p1 rootwait rootfstype=ext4 sunxi_ve_mem_reserve=0 sunxi_g2d_mem_reserve=0 sunxi_no_
    mali_mem_reserve sunxi_fb_mem_reserve=16 hdmi.audio=EDID:0 disp.screen0_output_mode=1920x1080p60 panic=10 consoleblank=0 enforcing=0 loglevel=1
    ...

    Jan 14 00:45:07 localhost kernel: [    1.928318] sunxi-rtc 1c20d00.rtc: rtc core: registered rtc-sunxi as rtc0
    Jan 14 00:45:07 localhost kernel: [    1.928335] sunxi-rtc 1c20d00.rtc: RTC enabled

    ...

    Jan 14 00:45:07 localhost kernel: [    2.108059] sunxi-rtc 1c20d00.rtc: setting system clock to 2016-01-14 00:44:58 UTC (1452732298)
     

    After the update I get:

     

    Jan  1 01:00:10 localhost kernel: [    0.000000] Linux version 4.3.3-sunxi (root@production) (gcc version 4.8.2 (Ubuntu/Linaro 4.8.2-16ubuntu4) ) #3 SMP Mon Dec 28 11:27:16 CET 2015
    ...

    Jan  1 01:00:10 localhost kernel: [    0.000000] Kernel command line: console=tty1 root=/dev/mmcblk0p1 rootwait rootfstype=ext4 sunxi_ve_mem_reserve=0 sunxi_g2d_mem_reserve=0 sunxi_no_mali_mem_reserve sunxi_fb_mem_reserve=16 hdmi.audio=EDID:0 disp.screen0_output_mode=1920x1080p60 panic=10 consoleblank=0 enforcing=0 loglevel=1
    ...

    Jan  1 01:00:10 localhost kernel: [    1.927517] sunxi-rtc 1c20d00.rtc: rtc core: registered rtc-sunxi as rtc0
    Jan  1 01:00:10 localhost kernel: [    1.927537] sunxi-rtc 1c20d00.rtc: RTC enabled
    ...

     and there is no attempt to set the system clock from RTC.

     

     

     

    Thanks