Am 22.06.2014 20:59, schrieb Andreas Färber:
> Hi Tomasz,
> 
> Am 22.06.2014 19:55, schrieb Tomasz Figa:
>> On 22.06.2014 18:13, Andreas Färber wrote:
>>> Both on kgene's for-next 053341b6993a3e838cfa35c9f594fb94ee3da9ce and on
>>> Linus' 401c58fcbbf570e7e4a8ee0e21ffd829deb4de0b my Arndale Octa board
>>> fails to boot with an "Unhandled fault: synchronous external abort
>>> (0x210)". This is a regression from v3.15, 100% reproducible.
>>>
>>
>> A couple of ideas to get more information:
>>
>>  - What config do you use?
> 
> Attached. It's basically a 3.15'ish exynos_defconfig, updated using
> `make oldconfig` plus some manually enabled systemd (CONFIG_FHANDLE=y,
> CONFIG_FANOTIFY=y, CONFIG_AUTOFS4=m) and Exynos options.
> 
> Compiler is gcc 4.8.2.
> 
>>  - Does it boot with exynos devfreq disabled in kernel config?
> 
> I do see CONFIG_ARM_EXYNOS5_BUS_DEVFREQ=y; not sure if I've already
> tested without, will try.

No improvement without DEVFREQ. Log attached.

> I already verified that 5250 based Spring
> boots with a similar config (patchset upcoming). Next I'm trying 5410
> based ODROID-XU for comparison.

ODROID-XU works, too (without DEVFREQ).

>>  - Why the "> [    6.268412] clk: Not disabling unused clocks" line is
>> there? What's your kernel command line?
> 
> console=ttySAC3,115200n8 root=/dev/mmcblk1p2 rootfstype=ext4 rw rootwait
> clk_ignore_unused
> 
> I had tried the latter because the issue occurred directly after a list
> of clocks were disabled, but it did not help unfortunately.

I notice that this time the trouble starts before the clocks already.
Could this be related to the MMC issues reported for other chips?

Regards,
Andreas

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