ARM64 – Odroid C2 With Latest U-Boot and Kernel – Not Quite Yet..

I decided to check the latest linux-next tree for signs of Odroid C2 code, and there is some there – apparently for basic functionality..     Compiled OK, but when I tried to boot it, the Hardkernel-supplied version of U-Boot crashed: odroidc2#ext4load … Continue reading

ARM – Another Source for Rootfs Images..

If you need a particular rootfs for an ARM7 or ARM64 device, there is a source of these at http://libguestfs.org/download/builder/ As an example, for Fedora 23 aarch64, then download the http://libguestfs.org/download/builder/fedora-23-aarch64.xz file, and then expand it (I use ark..)   This … Continue reading

ARM64 – Pi3 Success – Almost..

After more ‘investigation’, I managed to find a working U-Boot for a 64-bit boot of the Raspberry Pi 3, by copying it from the boot directory of this: http://www.tom-yam.or.jp/rpi3/rpi3-arm64-debian-20160414.img.xz found towards the end of the latest 64-bit thread on the … Continue reading

Kernel – 4.6-rc5 – OK with (Patched) VMware, and (Patched) NVIDIA..

Kernel 4.6-rc5 is out, and brief details of changes from -rc4 are here: http://lkml.iu.edu/hypermail/linux/kernel/1604.3/00178.html Kernel 4.6 seems to have a habit of continuing later-rc breakages with VMware and NVIDIA, compared to previous kernel releases.. The VMware 12 fix for 4.6-rc4 … Continue reading

VMware – Later 4.6-rc breaks vmmon and vmnet..

Thanks to Justin Palermo, there is a patch for VMware 12 vmmon and vmnet problems he identified with the later Kernel 4.6-rcs.       See comments on my earlier 4.6-rc1 article for details:  http://rglinuxtech.com/?p=1679 I have applied the patch to VMware 12.1.0, … Continue reading

ARM – Rock2 – Kernel 4.6-rc4 – MMC Swaparound – Bug or Feature?

I had been running Kernel 4.6-rc2 on the Radxa Rock2 without any issues, and decided to update to recently-released Kernel 4.6-rc4.. Brief details of changes from -rc3 are here:  http://lkml.iu.edu/hypermail/linux/kernel/1604.2/00610.html The boot failed, and I then compiled/installed 4.6-rc3 to see … Continue reading

x86_64 – UP Board – Intel 64-bit, Size of a Pi..

Being the pioneer/masochist type (aka ‘early-adopter’..), I was intrigued by the new Intel Atom x5-Z8350-powered UP Board, and now have one on (pre)order.. Basic info, with too much graphics..  http://www.up-board.org/specifications/ Not much info on their forum, yet, but it does … Continue reading

ARM64 – Pi3 64-Bit Tribulations.. Too Soon for Stability..

I had ordered a Raspberry Pi 3 back in March in the hope that it would be a useful exercise in 64-bit on a different chipset..    I was (somewhat) disappointed to find that there was no initial 64-bit support, and … Continue reading

ARM64 – Geekbox – 8-Cores and a UART Gotcha..

I recently acquired on of the rather quirky Geekbox ARM64 devices, together with the oddly-named ‘Landingstrip’ expansion board.. http://www.cnx-software.com/2015/11/19/geekbox-is-a-hackable-android-and-linux-tv-box-powered-by-rockchip-rk3368-soc/ http://forum.geekbox.tv/ The similarity in overall design to the ARMv7 Radxa Rock2 will be seen from the photo: If you are ordering … Continue reading

ARM – Rock2 to Kernel 4.6-rc2 – Ethernet OK, Now..

Updated the Rock2 to Kernel 4.6-rc2, and the Ethernet problem has been fixed.. Fedora 23 (Twenty Three) Kernel 4.6.0-rc2 on an armv7l (ttyS2) …………. ]# uname -a Linux rgrock2 4.6.0-rc2 #1 SMP Sun Apr 3 21:05:44 EDT 2016 armv7l armv7l … Continue reading