Hello,
On Exynos5 devices I've seen the following problem with Factory rootfs.
For example, using upstream v3.14 plus a .dts patch with
exynos_defconfig (devtmpfs) on Arndale Octa:
[ 10.900000] systemd[1]: Expecting device dev-ttySAC3.device...
Expecting device dev-ttySAC3.device...
[...]
[ TIME ] Timed out waiting for device dev-ttySAC3.device.
[DEPEND] Dependency failed for Serial Getty on ttySAC3.
systemd proceeds printing to console=ttySAC3,115200n8 until reaching
target Graphical Interface, but I do not get a login prompt on serial.
The YaST firstboot worked on first run, too. No HDMI output, and network
not blinking/lit.
Booting is currently broken on 3.15.0-rc2-00205-g9a60ee1, and we do not
have a building kernel-exynos package, therefore vanilla 3.14 plus
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/arch/arm/boot/dts/exynos5420-arndale-octa.dts?id=3da355c03a44bc45f3688bb68b51eefa738d1857
Initially I had seen this issue on a downstream kernel 3.4.x on my
ODROID-XU with s/ttySAC3/ttySAC2/g. There, I was able to log in via ssh
and confirm that /dev/ttySAC2 was in fact present.
Any suggestions how to debug what is going wrong there?
Thanks,
Andreas
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