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ARM – Odroid C2 – Updated..

Adventures With Linux ™ Posted on August 19, 2019 by RGAugust 19, 2019

When the Odroid C2 was first released way back in 2016, I spent ages trying to get it to function correctly with a mainstream kernel, and tested innumerable development versions of U-Boot, including functionality that was working OK at that time, but that – for some reason – then failed to be included in the ‘mainstream’ U-Boot.. … Continue reading →

Posted in aarch64, Fedora, fix, grub, Hacks, Linux, Odroid C2, Opinion, quirks, U-Boot | Tagged fedora 30, odroid c2, opensuse, working u-boot with grub | Leave a reply

ARM64 – 4.14-rc1 Problems..?

Adventures With Linux ™ Posted on September 18, 2017 by RGSeptember 18, 2017

Kernel 4.14-rc1 has been stable on the x86_64 test system, but when I tried updating the Odroid C2 (ARM64) I saw a lot of mmc and other errors reported.. ………. [ OK ] Started File System Check on Root Device. Starting Remount Root and Kernel File Systems… mmcblk0: response CRC error sending r/w cmd command, card status … Continue reading →

Posted in aarch64, kernel, Linux / ARM, Odroid C2, Opinion, Performance | Tagged arm64, ethernet fails, kernel 4.14-rc1, mmc errors, odroid c2, read-only filesystem, reverted to 4.13.2 | 1 Reply

ARM64 – Odroid C2 – Patches for USB..

Adventures With Linux ™ Posted on January 18, 2017 by RGJanuary 18, 2017

Thanks to Heiner Kallweit for info on two USB patches for the Odroid C2, and thanks to John Youn for the patches themselves..  They can be found at http://www.spinics.net/lists/linux-usb/msg151687.html and http://www.spinics.net/lists/linux-usb/msg151688.html . I have applied these to Kernel 4.10-rc4 (including the Ethernet TX patch) and now USB is working, and detects/connects devices – sort of.. Plug in … Continue reading →

Posted in aarch64, ARM64, fix, Hacks, kernel, Linux / ARM, Odroid C2, Opinion, Performance | Tagged arm64, kernel, linux, odroid c2, patches, quirks, usb | 1 Reply

ARM64 – Kernel 4.10-rc4 on Odroid C2 – Ethernet Still Needs DTS Patch..

Adventures With Linux ™ Posted on January 17, 2017 by RGJanuary 22, 2017

Just updated the Odroid C2 to Kernel 4.10-rc4, but the Ethernet hang problem still persists..   Applied the dts Ethernet TX patch (see http://rglinuxtech.com/?p=1872 ) , and it works OK now.. There seems to be a bit of a backlog of Meson/GXBB patches, and I read that the Ethernet TX fix was supposed to be merged with -rc4, … Continue reading →

Posted in aarch64, ARM64, compilation, Ethernet, fix, kernel, Linux / ARM, Odroid C2, Opinion, Performance | Tagged aarch64, arm64, ethernet tx patch, kernel, kernel 4.10-rc4, linux, odroid c2 | Leave a reply

ARM64 – Odroid C2 – Kernel 4.10-rc Config Example..

Adventures With Linux ™ Posted on January 15, 2017 by RGJanuary 15, 2017

As Odroid C2 support by the ‘mainline’ kernel is – hopefully – nearing completion, I have put a sample of my Kernel config at http://pastebin.com/XWfMEWHx . The C2 is used for ‘headless’ operation, at present, and USB still does not work..    The kernel is 4.10-rc3, with the ‘Ethernet-TX’ dts patch applied.. (see http://rglinuxtech.com/?p=1872 ). Robert Gadsdon.   January … Continue reading →

Posted in aarch64, ARM64, boot, kernel, Linux / ARM, Odroid C2, Opinion, Performance | Tagged 4.10-rc3, ethernet tx patch, odroid c2, sample kernel config | 3 Replies

ARM64 – Odroid C2 – Working U-Boot..

Adventures With Linux ™ Posted on January 15, 2017 by RGJanuary 15, 2017

Thanks to Heiner Kallweit, there is now a functional version of U-Boot for the Odroid C2, at https://github.com/hkallweit/u-boot .. I have installed it on my C2 (eMMC) and it works fine..    Nice to have a functioning > saveenv command, at last.. U-Boot 2017.01-rc3 (Jan 14 2017 – 02:22:15 -0800) odroid-c2 DRAM: 2 GiB MMC: meson_mmc: 0, meson_mmc: … Continue reading →

Posted in aarch64, ARM64, boot, Odroid C2, U-Boot | Tagged arm64, new version, odroid c2, saveenv works, u-boot | 9 Replies

ARM64 – Odroid C2 – Boots with Kernel 4.10-rc1 – Ethernet OK? – Not yet..

Adventures With Linux ™ Posted on December 26, 2016 by RGJanuary 15, 2017

After applying the aarch64 compile fix (see previous article) I was able to compile Kernel 4.10-rc1 on the Odroid C2, and it boots OK (headless..), and the Ethernet link stays up, but still needs the TX patch..   (updated, as the link did still hang – eventually..  RG).. ……….. meson8b-dwmac c9410000.ethernet eth0: Link is Up – 1Gbps/Full – … Continue reading →

Posted in aarch64, ARM64, boot, Ethernet, kernel, Linux / ARM, Odroid C2, Performance, success | Tagged arm64, boot success, ethernet ok, kernel 4.10-rc1, linux, odroid c2 | 3 Replies

ARM64 – Odroid C2 – Latest Ethernet Patch..

Adventures With Linux ™ Posted on December 22, 2016 by RGDecember 22, 2016

After some of the recent ‘Ethernet fix’ patches have not worked with more recent linux-next kernels, I have found one that – at least at the moment – does fix the ‘hang’ problem – again.. The patch is applied to meson-gxbb-odroidc2.dts, and can be found here:  http://archive.arm.linux.org.uk/lurker/message/20161221.113134.3ac4d1e6.en.html I did have to revert this kasir_offset patch (…-R) to … Continue reading →

Posted in aarch64, ARM64, Crash and Burn.., Ethernet, fix, Hacks, kernel, Linux / ARM, Odroid C2, Opinion, Performance | Tagged aarch64, arm64, dts, ethernet patch, linux-next kernel, odroid c2 | 2 Replies

ARM64 – Odroid C2 – Tested with Linux Net-Next – Ethernet Still Hangs..

Adventures With Linux ™ Posted on December 18, 2016 by RGDecember 18, 2016

Recent versions of the Linux net-next tree could not be tested on the C2, as the meson-gx mmc driver was missing, but now it has been added, and I tested the latest version (December 17) – but the Ethernet hang is still there..      To be fair, this is probably because of the current patch conflict that has … Continue reading →

Posted in aarch64, ARM64, Ethernet, kernel, Linux / ARM, Network, Odroid C2, Opinion, Performance | Tagged arm64, ethernet still hangs, kernel, linux, linux net-next tree, odroid c2, tested | Leave a reply

ARM64 – Odroid C2 – Ethernet Broken Again?

Adventures With Linux ™ Posted on December 12, 2016 by RGDecember 12, 2016

I had been trying to apply the latest round of Meson TX delay patches to the latest linux-next tree, but found that there seems to be a conflict with some of these..    The December 1 patched kernel now has some problems on my C2 with Ethernet traffic, so – for the time being – I have reverted … Continue reading →

Posted in aarch64, arm, compilation, Crash and Burn.., Ethernet, Hacks, kernel, Linux / ARM, Network, Odroid C2, Opinion, Performance | Tagged ethernet hangs, latest patches conflicting, odroid c2, revert to earlier version, tx timeouts | Leave a reply

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