BeagleBone self-built 10-STABLE hangs, segfaults

[Paul Mather]

On Oct 19, 2015, at 11:04 AM, Mike Brown <mike at skew.org> wrote:

> On Sun, Oct 18, 2015 at 11:27:48PM +0300, Andrey Fesenko wrote:
>>> I've seen those unknown attribute warnings before, I don't think
>>> they're anything to worry about.  I haven't tried running a self-hosted
>>> build on any armv6 for a long time, it's possible there's something
>>> ugly like a code-generation bug that happens when running native but
>>> not on a cross build.  Things like that are pretty rare, though.
>>> 
>> 
>> Confirm both Rpi and bb "Segmentation fault", i'm build with crochet
>> and CURRENT-r289459 (builded 289522)
>> 
>> last lines sh -x crochet
>> + _DTBINTERMEDIATEDIR=/usr/obj/fdt/fdt.kUEP6Z
>> + _DTSIN=/usr/src/sys/boot/fdt/dts/arm/beaglebone.dts
>> + _DTBINTERMEDIATE=/usr/obj/fdt/fdt.kUEP6Z
>> + echo /usr/src/sys/tools/fdt/make_dtb.sh /usr/src/sys
>> /usr/src/sys/boot/fdt/dts/arm/beaglebone.dts /usr/obj/fdt/fdt.kUEP6Z
>> + cd /usr/src
>> + make 'TARGET_ARCH=armv6' buildenv
>> + _DTSOUT=bbone.dts
>> + dtc -I dtb -O dts /usr/obj/fdt/fdt.kUEP6Z/beaglebone.dtb
>> Segmentation fault
>> root at des:/usr/src # pkg info | grep eabi
>> arm-none-eabi-binutils-2.25.1  GNU binutils for bare metal arm cross-development
>> arm-none-eabi-gcc492-4.9.2_1   GNU Compiler Collection for bare metal
>> arm cross-development
> 
> Does this happen at the same place very time?
> 
> My problems on 10-STABLE seem to happen at random, as if it were bad RAM. In 
> successive builds of the 'pkg' port, for example, I get different results each 
> time: a segmentation fault during 'configure', then no errors, then a syntax 
> error in some file, then a segmentation fault during 'cc' of something small, 
> then no errors.
> 
> I didn't see any such weirdness before the native build, though.
> 
> How can I diagnose this further?


Re: the problems happening at random: are you powering the BBB via the OTG USB connector or via the 5V barrel power supply connector?

I found my BBB to be a bit flaky when powered via the OTG USB connector.  It is stable when powered via the 5V power supply connector, though.

Just a thought...

Cheers,

Paul.