In recent upstream kernels, exynos5420-based arndale boards have been
producing boot-time errors due to the fact they failed to set the cpu
voltage. These message flood the serial console even after userspace
has been loaded, yielding the console unusable without forcing a lower
log level. These errors are produced _only_ with the
multi_v7_defconfig and they are _not_ present
with exynos_defconfig. Here are some recent boot logs showing the boot errors:
mainline/v3.18-rc4-65-g2c54396:
multi_v7_defconfig:
http://storage.armcloud.us/kernel-ci/mainline/v3.18-rc4-65-g2c54396/arm-multi_v7_defconfig/boot-exynos5250-arndale.html
exynos_defconfig:
http://storage.armcloud.us/kernel-ci/mainline/v3.18-rc4-65-g2c54396/arm-exynos_defconfig/boot-exynos5250-arndale.html
next/next-20141113:
multi_v7_defconfig:
http://storage.armcloud.us/kernel-ci/next/next-20141113/arm-multi_v7_defconfig/boot-exynos5250-arndale.html
exynos_defconfig:
http://storage.armcloud.us/kernel-ci/next/next-20141113/arm-exynos_defconfig/boot-exynos5250-arndale.html
arm-soc/v3.18-rc4-185-gbfcf8f9:
multi_v7_defconfig:
http://storage.armcloud.us/kernel-ci/arm-soc/v3.18-rc4-185-gbfcf8f9/arm-multi_v7_defconfig/boot-exynos5250-arndale.html
exynos_defconfig:
http://storage.armcloud.us/kernel-ci/arm-soc/v3.18-rc4-185-gbfcf8f9/arm-exynos_defconfig/boot-exynos5250-arndale.html
Cheers,
--
Tyler Baker
Tech Lead, LAVA
Linaro.org | Open source software for ARM SoCs
Follow Linaro: http://www.facebook.com/pages/Linaro
http://twitter.com/#!/linaroorg - http://www.linaro.org/linaro-blog
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