[oe-commits] [openembedded-core] branch master updated: qemuboot.conf: make cpus match built artifacts
git at git.openembedded.org
git at git.openembedded.org
Fri Jun 23 13:08:23 UTC 2017
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rpurdie pushed a commit to branch master
in repository openembedded-core.
The following commit(s) were added to refs/heads/master by this push:
new 20b3574 qemuboot.conf: make cpus match built artifacts
20b3574 is described below
commit 20b3574749420a1fef2cb2e0579584453dd4c5c5
Author: Martin Kelly <mkelly at xevo.com>
AuthorDate: Tue May 2 12:20:13 2017 -0700
qemuboot.conf: make cpus match built artifacts
Currently, the qemu CPUs for are specified as generic, but the built
artifacts are not. For example, we build x86-64 artifacts targeting
core2duo but run them in qemu with generic qemu/kvm CPUs. This causes
some packages that take advantage of the host architecture to crash
because they try to use CPU features not advertised by qemu. As an
example, Qt uses ssse3. When artifacts linked against Qt and built
targeting core2duo attempt to run on a generic qemu/kvm CPU, we get
the following crash:
Incompatible processor. This Qt build requires the following features:
ssse3
We could fix this by making packages like Qt not take advantage of CPU
features. However, we will probably keep facing similar issues over
time, so it's better to resolve them in a more enduring way.
Fix this by making the qemu -cpu arguments match the built artifacts.
Signed-off-by: Martin Kelly <mkelly at xevo.com>
Signed-off-by: Ross Burton <ross.burton at intel.com>
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
meta/conf/machine/include/qemuboot-x86.inc | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/meta/conf/machine/include/qemuboot-x86.inc b/meta/conf/machine/include/qemuboot-x86.inc
index 06ac983..acd03a1 100644
--- a/meta/conf/machine/include/qemuboot-x86.inc
+++ b/meta/conf/machine/include/qemuboot-x86.inc
@@ -1,12 +1,12 @@
# For runqemu
IMAGE_CLASSES += "qemuboot"
QB_SYSTEM_NAME_x86 = "qemu-system-i386"
-QB_CPU_x86 = "-cpu qemu32"
-QB_CPU_KVM_x86 = "-cpu kvm32"
+QB_CPU_x86 = "-cpu pentium2"
+QB_CPU_KVM_x86 = "-cpu pentium2"
QB_SYSTEM_NAME_x86-64 = "qemu-system-x86_64"
QB_CPU_x86-64 = "-cpu core2duo"
-QB_CPU_KVM_x86-64 = "-cpu kvm64"
+QB_CPU_KVM_x86-64 = "-cpu core2duo"
QB_AUDIO_DRV = "alsa"
QB_AUDIO_OPT = "-soundhw ac97,es1370"
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