Arm-dev January 2019

arm-dev@lists.centos.org

8 participants
13 discussions

How to enable i2c
by Philip Manuel 06 Jan '19

06 Jan '19

Hi, I've added the following parameters to /boot/cmdline.txt i2c_arm=on i2c1=on i2c0=on but I get no /dev/i2c* entries, but dmesg shows i2c /dev entries driver What am I missing ? Thanks Phil

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Odroid HC1 working with 1810 image
by Robert Moskowitz 02 Jan '19

02 Jan '19

Pablo's special 4.19 1820 image is working for my Odroid HC1. I have pushed out my documentation at: http://medon.htt-consult.com/CentOS7-armv7-odroid.html with my general documentation at: http://medon.htt-consult.com/CentOS7-armv7.html thanks for all the help here!

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HC1 - Kernel error reported by logwatch
by Robert Moskowitz 02 Jan '19

02 Jan '19

On my Odroid HC1 running the 4.19 kernel, I see in the logwatch email: --------------------- Kernel Begin ------------------------ WARNING: Kernel Errors Present WARNING: CPU(s) started in wrong/inconsistent mo ...: 3 Time(s) [drm:exynos_drm_bind [exynosdrm]] *ERROR* no device found ...: 3 Time(s) ---------------------- Kernel End ------------------------- Greping in messages I found: Dec 31 19:00:05 hc1-c7 kernel: CPU: WARNING: CPU(s) started in wrong/inconsistent modes (primary CPU mode 0x1a) Dec 31 19:00:06 hc1-c7 kernel: CPU: WARNING: CPU(s) started in wrong/inconsistent modes (primary CPU mode 0x1a) Dec 31 19:00:06 hc1-c7 kernel: CPU: WARNING: CPU(s) started in wrong/inconsistent modes (primary CPU mode 0x1a) Dec 31 19:00:05 hc1-c7 kernel: CPU: WARNING: CPU(s) started in wrong/inconsistent modes (primary CPU mode 0x1a) and Dec 31 19:00:07 hc1-c7 kernel: [drm:exynos_drm_bind [exynosdrm]] *ERROR* no device found for DMA mapping operations. Dec 31 19:00:07 hc1-c7 kernel: [drm:exynos_drm_bind [exynosdrm]] *ERROR* no device found for DMA mapping operations. Dec 31 19:00:08 hc1-c7 kernel: [drm:exynos_drm_bind [exynosdrm]] *ERROR* no device found for DMA mapping operations. Dec 31 19:00:07 hc1-c7 kernel: [drm:exynos_drm_bind [exynosdrm]] *ERROR* no device found for DMA mapping operations. Anything to do about these? thanks

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Arm-dev January 2019