Hi,
I’m still having to apply this patch to get OSv to work on my Ubuntu 16.10 box.
Without it, the produced image fails to start even for the initial cpio phase.
Its clearly some optimisation issue with gcc 6.2 (gcc version 6.2.0 20161005
(Ubuntu 6.2.0-5ubuntu12)), so just in case anyone else is having a problem,
this is what I use to fix it:
Cheers,
Rick
diff --git a/Makefile b/Makefile
index 8372cd8..50fb396 100644
--- a/Makefile
+++ b/Makefile
@@ -446,11 +446,11 @@ $(out)/arch/x64/boot32.o: $(out)/loader.elf
$(out)/fastlz/fastlz.o:
$(makedir)
- $(call quiet, $(CXX) $(CXXFLAGS) -O2 -m32 -fno-instrument-functions -o
$@ -c fastlz/fastlz.cc, CXX fastlz/fastlz
.cc)
+ $(call quiet, $(CXX) $(CXXFLAGS) -O0 -g -m32 -fno-instrument-functions
-o $@ -c fastlz/fastlz.cc, CXX fastlz/fas
tlz.cc)
$(out)/fastlz/lz: fastlz/fastlz.cc fastlz/lz.cc | generated-headers
$(makedir)
- $(call quiet, $(CXX) $(CXXFLAGS) -O2 -o $@ $(filter %.cc, $^), CXX $@)
+ $(call quiet, $(CXX) $(CXXFLAGS) -O0 -g -o $@ $(filter %.cc, $^), CXX
$@)
$(out)/loader-stripped.elf.lz.o: $(out)/loader-stripped.elf $(out)/fastlz/lz
$(call quiet, $(out)/fastlz/lz $(out)/loader-stripped.elf, LZ
loader-stripped.elf)
@@ -459,7 +459,7 @@ $(out)/loader-stripped.elf.lz.o: $(out)/loader-stripped.elf
$(out)/fastlz/lz
$(out)/fastlz/lzloader.o: fastlz/lzloader.cc | generated-headers
$(makedir)
#$(call quiet, $(CXX) $(CXXFLAGS) -O2 -m32 -fno-instrument-functions -o
$@ -c fastlz/lzloader.cc, CXX $<)
- $(call quiet, $(CXX) $(CXXFLAGS) -g -m32 -fno-instrument-functions -o
$@ -c fastlz/lzloader.cc, CXX $<)
+ $(call quiet, $(CXX) $(CXXFLAGS) -O0 -g -m32 -fno-instrument-functions
-o $@ -c fastlz/lzloader.cc, CXX $<)
$(out)/lzloader.elf: $(out)/loader-stripped.elf.lz.o $(out)/fastlz/lzloader.o
arch/x64/lzloader.ld \
$(out)/fastlz/fastlz.o
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