On 12/13/2017 07:04 PM, Richard Purdie wrote:
On Wed, 2017-12-13 at 19:01 -0500, Bruce Ashfield wrote:
On 2017-12-13 9:14 AM, Richard Purdie wrote:

On Wed, 2017-12-13 at 09:07 -0500, Bruce Ashfield wrote:

On 12/13/2017 09:05 AM, Richard Purdie wrote:


On Wed, 2017-12-13 at 08:38 -0500, Bruce Ashfield wrote:


On 12/13/2017 07:34 AM, Richard Purdie wrote:



Hi Bruce,

https://bugzilla.yoctoproject.org/show_bug.cgi?id=12301

We've root caused the hangs we're seeing in qemux86-64 on
our
autobuilder workers. We've identified a commit on 4.15-rc3
which
fixes
the issue but backporting it to the autobuilder's host
kernels
will
be
a pain.

As a workaround I'd like to enable x2apic on qemux86-64.
Since
that
works via MSRs it avoids the problem.

Would it be a big issue to set CONFIG_X86_X2APIC=y for
qemux86-
64?
Nope. No big deal at all. I've used the same config i the
past
when doing work with rt-KVM, so I know it well.

I'll prep a commit, and send it along as part of a rebased
set
of kernel patches.
Thanks, much appreciated.

Did we get to the bottom of the 4.12 selftest failures?

Not yet no. I was distracted for a day, but need to learn how
to run them myself. I was able to log in via serial in my normal
boot flow, so that didn't get me anywhere.

Is the selftest HOWO in the yocto docs ? I'll google it up this
morning.
No HOWTO but I did give you the command. In a poky checkout run:

oe-selftest -r runqemu.RunqemuTests.test_boot_deploy

which runs a single test that fails (setup DL_DIR/SSTATE_MIRRORS
first
to speed it up a bit).

It may tell you to clear SANITY_TESTED_DISTROS, I think it auto
adds
meta-selftest now. You may also need to set DISPLAY to something
(e.g.
a dummy vncserver).

With the cleanup that Ross gave me, I'm now able to see the issue.

I'll start debugging on Thursday.

One additional question: what's the right way to find the logs of
that
run ?

I'm getting a bit of noise from:

----------------
       0155:            else:
Exception: FileNotFoundError: [Errno 2] No such file or directory:
'/home/bruce/poky/build/tmp/sysroots-components/x86_64/python3-
native/usr/lib/python3.5/sqlite3/__pycache__/dump.cpython-35.opt-
1.pyc'
->
'/home/bruce/poky/build/tmp/work/core2-64-poky-linux/gnu-efi/3.0.6-
r0/recipe-sysroot-
native/usr/lib/python3.5/sqlite3/__pycache__/dump.cpython-35.opt-
1.pyc'

ERROR: gnu-efi-3.0.6-r0 do_package: Function failed:
extend_recipe_sysroot
ERROR: Logfile of failure stored in:
/home/bruce/poky/build/tmp/work/core2-64-poky-linux/gnu-efi/3.0.6-
r0/temp/log.do_package.10495

You've deleted pyc files from python itself which is bad. I'd
cleansstate python-native and rebuilt it to fix that. Ross meant onto
to run it on the poky meta directory...


I'm fully up and running now. I did a boot last night, and did
see a failure in the selftest.

I then booted it manually (runqemu directly), logged in .. and now
I'm seeing passing selftests. grr.

https://pastebin.com/iA0vxrmD
https://pastebin.com/ved4xvbQ

Bruce

Cheers,

Richard



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