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686 discussions

Centos aarch64 on Raspberry PI 3
by Paul R. Ganci 31 Jan '17

31 Jan '17

I received a Raspberry PI 3 for Christmas with which I am playing. I would like to install the aarch64 CentOS 1611. However I am finding very limited information on the web as how to go about doing that. Can somebody get me started on what I need to do in order to install CentOS 1611? Some initial questions. 1.) Can the aarch64 distribution even be installed on a Raspberry PI 3? 2.) If the answer to question 1 is yes, can somebody give me some instructions on how to proceed? Links to any quick start or installation guides would be appreciated. 3.) I have not been able to get X windows to start with the armv7hl CentOS version already installed. Will Gnome run on Raspberry PI 3 or is some other desktop graphics suggested? Thank you for your help getting started. -- Paul (ganci(a)nurdog.com) Cell: (303)257-5208

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I2C in Centos 7
by cjvijf＠gmail.com 29 Jan '17

29 Jan '17

Hello, I am running Centos on a raspberry pi 2b. (I downloaded the image from: http://people.centos.org/hughesjr/armv7hl/rpi2/images/ rpi2-centos-image.img.xz ) and installed the i2c libraries and modules for i2c. [root@rpi2-2 ~]# lsmod | grep i2c i2c_bcm2708 5006 0 i2c_dev 6027 0 From what I read that should be correct device file is there too: crw------- 1 root root 89, 1 Dec 31 1969 i2c-1 kernel: Linux rpi2-2 3.18.14-v7+ #794 SMP PREEMPT Sun Jun 7 12:50:51 BST 2015 armv7l armv7l armv7l GNU/Linux However, when I scan the i2c bus with 'i2cdetect -y 1' I don't see any devices (and I tried 2 that I know work). is the I2C stuff in this kernel working? (or is there a newer kernel version?) thanks, Ron P.S. I know this is an arm-dev list, but figured the I2C topic would fit better here than in a general Centos list

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building AArch64 CentOS kernel from git
by Richard Henwood 27 Jan '17

27 Jan '17

Hi All, I want to patch and rebuild a CentOS 7 kernel. I've checked out git clone https://git.centos.org/git/sig-altarch/kernel.gitand am on branchsig-altarch7-aarch64 then I run rpmbuild and I'm told I missing the kernel source: error: File /home/build/kernel/SOURCES/linux-4.5.0-15.el7.tar.xz: No such file or directory The source isn't present so I assume it must be else where... I've search around for this file and haven't located it. I would really appreciate help finding it - or corrections to my approach. any thoughts? best regards,Richard

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Support for CubieTruck Plus (CB5)
by Robert Moskowitz 25 Jan '17

25 Jan '17

I am considering getting a CubieTruck Plus. I see we have the uboot: /usr/share/uboot/Cubietruck_plus/u-boot-sunxi-with-spl.bin But not the dtb in /boot/dtb-4.4.42-202.el7.armv7hl/ Anyone have information on the CB5 support? Of course, I may just go for that 64bit board Uli mentioned the other day. Considering that SELinux is not working right in the armv7 Cubie images. Bob

2 2

updated kernel for armhfp/rpi2 (testing/feedback)
by Fabian Arrotin 23 Jan '17

23 Jan '17

Hi guys, With some issues and other things to do in the centos infra, I almost forgot that I built some updated kernels for generic and rpi2/3 boards : https://armv7.dev.centos.org/repodir/arm-kernels/4.4.42-202/ https://armv7.dev.centos.org/repodir/arm-kernels/rpi2-4.4.41/ I'm unfortunately (can't explain why) unable to tests those for the moment, so any feedback would be appreciated. Cheers, -- Fabian Arrotin The CentOS Project | http://www.centos.org gpg key: 56BEC54E | twitter: @arrfab

2 2

dragonboard 410c
by Robert Moskowitz 23 Jan '17

23 Jan '17

There is an IoT meeting in the Detroit area Monday night with the Dragonboard 410c. I see it was listed as possible 64 bit boards back in the beginning of this list. Does anyone have one with Centos7-arm64 on it? Want to know if I should bother to attend. The specs for the board does not show it having a sata interface and only 1Gb memory. So not so interesting. It is a quad-core; I really want to upgrade my mailserver from the duo-core CubieTruck to more cores. Looking at the CubieTruck5... Bob

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Nit error in web instructions - Chronyd already installed
by Robert Moskowitz 23 Jan '17

23 Jan '17

I just built a fresh CubieTruck install and booted it up (of course partitions on the HD, and only uboot on a 4Gb mSD card). I did not log in right away, and when I did, I noticed the time was correct. A check showed: # systemctl status chronyd ● chronyd.service - NTP client/server Loaded: loaded (/usr/lib/systemd/system/chronyd.service; enabled; vendor preset: enabled) Active: active (running) since Thu 1970-01-01 00:00:24 UTC; 47 years 0 months ago Process: 500 ExecStartPost=/usr/libexec/chrony-helper update-daemon (code=exited, status=0/SUCCESS) Process: 481 ExecStart=/usr/sbin/chronyd $OPTIONS (code=exited, status=0/SUCCESS) Main PID: 485 (chronyd) CGroup: /system.slice/chronyd.service └─485 /usr/sbin/chronyd Jan 01 00:00:22 cubietruck systemd[1]: Starting NTP client/server... Jan 01 00:00:23 cubietruck chronyd[485]: chronyd version 2.1.1 starting (+CM...) Jan 01 00:00:23 cubietruck chronyd[485]: Generated key 1 Jan 01 00:00:24 cubietruck systemd[1]: Started NTP client/server. Jan 01 00:00:46 cubietruck chronyd[485]: Selected source 108.59.2.24 Jan 01 00:00:46 cubietruck chronyd[485]: System clock wrong by 1485185691.45...d Jan 23 15:35:38 cubietruck chronyd[485]: System clock was stepped by 1485185...s Jan 23 15:35:45 cubietruck chronyd[485]: Selected source 45.56.123.24 Hint: Some lines were ellipsized, use -l to show in full. So https://wiki.centos.org/SpecialInterestGroup/AltArch/Arm32 instructions to install chronyd is not needed. It is already part of the base image.

1 0

armv7 SELinux problems and also the new kernel
by Robert Moskowitz 23 Jan '17

23 Jan '17

Tomorrow I will actually have some testing time. I would like to get something working on my Cubietruck. Has anyone any idea about what to do with the SELinux errors I reported here back in December? And guidance on installing and testing the new kernel. It does not look like they are in a repo and that I have to download the proper rpms and upgrade them? And which do I upgrade? thank you Bob

1 0

New to arm
by Jerry Geis 18 Jan '17

18 Jan '17

I just downloaded http://mirror.centos.org/altarch/7/isos/aarch64/CentOS-7-aarch64.img.xz uncompressed it. Read the readme.txt dd if=CentOS-7-aarch64.img of=/dev/sdd bs=2M conv=fsync && sync; put the new SD card in the PI3 and connected power I got nothing. my SD card is 32G. I tried the 32bit image and that booted and ran fine. So my hardware is Ok. Thoughts? Jerry

3 2

[PATCH v2 00/16] Integrate upstream patches for Cavium ThunderX I2C support
by Vadim Lomovtsev 18 Jan '17

18 Jan '17

This patch series integrates already accepted patches that provides: - support for Cavium ThunderX I2C; - bugfixes for Cavium Octeon I2C driver; Changes since v1: * commit messages updated with commit hashes from original branch; Dmitry Bazhenov (2): i2c: octeon: Fix set SCL recovery function i2c: octeon: Avoid sending STOP during recovery Jan Glauber (14): i2c: octeon: Missing AAK flag in case of I2C_M_RECV_LEN i2c: octeon: Avoid printk after too long SMBUS message i2c: octeon: Rename driver to prepare for split i2c: octeon: Split the driver into two parts i2c: thunderx: Add i2c driver for ThunderX SOC i2c: thunderx: Add SMBUS alert support i2c: octeon,thunderx: Move register offsets to struct i2c: octeon: Sort include files alphabetically i2c: octeon: Use booleon values for booleon variables i2c: octeon: thunderx: Add MAINTAINERS entry i2c: octeon: Fix high-level controller status check i2c: octeon: thunderx: TWSI software reset in recovery i2c: octeon: thunderx: Remove double-check after interrupt i2c: octeon: thunderx: Limit register access retries MAINTAINERS | 8 + drivers/i2c/busses/Kconfig | 11 + drivers/i2c/busses/Makefile | 3 + drivers/i2c/busses/i2c-octeon-core.c | 791 +++++++++++++++++++ drivers/i2c/busses/i2c-octeon-core.h | 222 ++++++ drivers/i2c/busses/i2c-octeon-platdrv.c | 288 +++++++ drivers/i2c/busses/i2c-octeon.c | 1252 ------------------------------ drivers/i2c/busses/i2c-thunderx-pcidrv.c | 259 ++++++ 8 files changed, 1582 insertions(+), 1252 deletions(-) create mode 100644 drivers/i2c/busses/i2c-octeon-core.c create mode 100644 drivers/i2c/busses/i2c-octeon-core.h create mode 100644 drivers/i2c/busses/i2c-octeon-platdrv.c delete mode 100644 drivers/i2c/busses/i2c-octeon.c create mode 100644 drivers/i2c/busses/i2c-thunderx-pcidrv.c -- 2.5.5

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