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About barish

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    Bremen Germany

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  1. I purchased 10 and will most probably buy more in future. :-P I had no issues with U-Boot 17.10 despite intensive testing. If you are in Germany, I can offer you a tested EspressoBin v7 1GB.
  2. My guess is that your Linux got corrupted and you should copy the backup of your SD card to a new SD card and try with that.
  3. I changed now to the legacy U-Boot (17.10) because it boots very reliably (which is what I need). I am not sure of the negative effects (testing is ongoing) but there is no option for me at the moment. I hope that someone with U-Boot and/or Marvell skills can tell me what changes from 17.10 -> 18.12 led to the unreliable booting. Since it takes place at the start of the WTMI RAM tuning process, I can only assume that there is the rub.
  4. By now, I found some more information regarding TIM and WTMI. According to Marvell's A3700-utils documents, TIM is a first aproach to address DDR3/DD4 at fixed freq of 300/400MHz, while WTMI "performs dynamic DDR PHY training" to gain higher memory speed. Apparently, the Armbian U-Boot uses a later version of WTMI (and maybe uses different parameters?), does anyone know about this?
  5. Then change fstab device to mmcblk1p1 or even better to the UUID of the SD card, no?
  6. Can anyone tell me what are the differences between the legacy U-Boot WTMI-armada-17.10.5-bb8f823 and the one used by Armbian ( WTMI-devel-18.12.1-e6bb176 )? The unmodified boards boot perfectly each time, but when I change to Armbian u-boot, no matter what frequency (I tried 800 and 1000 MHz), the boards need one to four power cycles till they boot even into u-boot. On serial console, I get: TIM-1.0 WTMI-devel-18.12.1-e6bb176 WTMI: system early-init SVC REV: 5, CPU VDD voltage: 1.108V And that's it. I need to pull the power plug and put it back in for several times, then finally the board boots fine (and runs fine ever after). The voltage varies depending on the frequency set by loading different u-boot images. Has anyone a clue?
  7. As a workaround, try putting the following line into /boot/armbianEnv.txt: rootdev="/dev/mmcblk1p1" Or modify and compile boot.cmd accordingly. Why the SD card's device has changed though, I cannot tell. I know that Linux changes device names for HDDs, which might be called /dev/sda or /dev/sdb with no apparent hardware or software change.
  8. Despite of all the seemingly bad news, I boldly ordered a batch of 10 EspressoBin V7 recently. Globalscale promised to test them for me for stability (I am not interested in squeezing out the last bit of performance), and I tested them again after reception: They all seem to run stable with Ubuntu Xenial (the "newest" image provided by Globalscale) and with Armbian kernel 4.19.59-mvebu64. Since there is still a few weeks till they go on duty, if anyone is interested in a particular test on them, I am willing to do so. I am not into kernel development, so I would need some instruction. ;-)
  9. Have you found a solution yet? I think that dnsmasq should perform the DNS forwarding, bind9 should not be necessary. I would rather look for any setup problems with /etc/dnsmasq.conf. Two services for the same task might interfere with each other?
  10. I had this adapter working for almost half a year, now it stops the whole board from working (suppose a power issue), makes a thin hissing noise. I wouldn't recommend it, even if it cost me less than 5€... It might work longer if operated with a heat sink though.
  11. My Debian Buster with Armbian Linux 4.19.59-mvebu64 has no /dev/watchdog... I am a little confused - is there a simple solution to e.g. add the kernel module for the watchdog? I am not into kernel compiling myself unfortunately, so I appreciate any help.
  12. I hope you will - looking forward to their response!
  13. I've got a SATA card mounted to my EspressoBin that draws a couple of mA – I just tried to boot the board without any disks attached and powered by USB only - and it wouldn't. So just to rule this out, please try with 12V attached to power jack. As it says in the wiki, you need a 12V power adapter:
  14. You’re right. That has been my second choice for some time. It’s quite a bit more expensive than the EspressoBin but should be worth it. I‘ll order one (there even is a German distributor) and test it. In the meantime, Globalscale might figure out their problems with the v7...
  15. How come there are so many? Wouldn’t one be enough?