Re: multipath-tools on arm (was: Re: [OE-core] State of bitbake world, Failed tasks 2017-02-08)

[Patrick Ohly <patrick.ohly@intel.com>]

On Tue, 2017-02-14 at 19:08 +0100, Martin Jansa wrote:
> Have you tried to reproduce it in qemuarm build after enabling thumb
> in poky?
> https://bugzilla.yoctoproject.org/show_bug.cgi?id=9213

No, I haven't. I'm not familiar with the exact configuration of these
tests, and from http://errors.yoctoproject.org/Errors/Details/130529/
it's not obvious that one needs anything besides MACHINE=qemuarm to
replicate the problem.

Bug #9213 doesn't say how thumb can be enabled, and the bug #7717 that
it links to isn't very clear about it either. Ross suggested on IRC:

PREFERRED_ARM_INSTRUCTION_SET ?= "thumb"
ARM_INSTRUCTION_SET = "${PREFERRED_ARM_INSTRUCTION_SET}"

Is that right? Yes, seems to be - using it I can reproduce the problem.

It seems to be a known problem. valgrind is marked as incompatible with
older ARM, so the solution has to be to disable the use of these
valgrind macros. Should I do that unconditionally?

Doing it conditionally would imply copying the logic from valgrind.bb:

# valgrind supports armv7 and above
COMPATIBLE_HOST_armv4 = 'null'
COMPATIBLE_HOST_armv5 = 'null'
COMPATIBLE_HOST_armv6 = 'null'

-- 
Best Regards, Patrick Ohly

The content of this message is my personal opinion only and although
I am an employee of Intel, the statements I make here in no way
represent Intel's position on the issue, nor am I authorized to speak
on behalf of Intel on this matter.