On 12/13/2017 09:14 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
Yah, that's where it went off the rails for me, so I figure that
I'm doing something stupid:
yow-bashfiel-d4 [/home/bruc...poky/build]> oe-selftest -r
runqemu.RunqemuTests.test_boot_deploy
Traceback (most recent call last):
File "/home/bruce/poky/scripts/oe-selftest", line 43, in <module>
from oeqa.utils import load_test_components
ImportError: bad magic number in 'oeqa': b'\x03\xf3\r\n'
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).
I'll keep smashing on it.
Bruce
Not sure what is different about the serial qemu is using verses your
own tests...
> We may also need to backport the defconfig change back to the older
> releases so we don't get the hangs in those builds either...
Not a problem either. I'll prepare several.>
Thanks!
Cheers,
Richard
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