Starting from the Disco build env that I had I changed the packages Step #1 binutils: Unpacking binutils-x86-64-linux-gnu (2.33-2ubuntu1.2) over (2.32-7ubuntu4) ... Unpacking libbinutils:amd64 (2.33-2ubuntu1.2) over (2.32-7ubuntu4) ... Unpacking binutils (2.33-2ubuntu1.2) over (2.32-7ubuntu4) ... Unpacking binutils-common:amd64 (2.33-2ubuntu1.2) over (2.32-7ubuntu4) ...
=> Still working Step #2 gcc: Unpacking libubsan1:amd64 (9.2.1-9ubuntu2) over (9.1.0-2ubuntu2~19.04) ... Unpacking libtsan0:amd64 (9.2.1-9ubuntu2) over (9.1.0-2ubuntu2~19.04) ... Unpacking gcc-9-base:amd64 (9.2.1-9ubuntu2) over (9.1.0-2ubuntu2~19.04) ... Unpacking libstdc++6:amd64 (9.2.1-9ubuntu2) over (9.1.0-2ubuntu2~19.04) ... Unpacking libquadmath0:amd64 (9.2.1-9ubuntu2) over (9.1.0-2ubuntu2~19.04) ... Unpacking liblsan0:amd64 (9.2.1-9ubuntu2) over (9.1.0-2ubuntu2~19.04) ... Unpacking libitm1:amd64 (9.2.1-9ubuntu2) over (9.1.0-2ubuntu2~19.04) ... Unpacking libgomp1:amd64 (9.2.1-9ubuntu2) over (9.1.0-2ubuntu2~19.04) ... Unpacking libcc1-0:amd64 (9.2.1-9ubuntu2) over (9.1.0-2ubuntu2~19.04) ... Unpacking libatomic1:amd64 (9.2.1-9ubuntu2) over (9.1.0-2ubuntu2~19.04) ... Unpacking libasan5:amd64 (9.2.1-9ubuntu2) over (9.1.0-2ubuntu2~19.04) ... Unpacking libgcc1:amd64 (1:9.2.1-9ubuntu2) over (1:9.1.0-2ubuntu2~19.04) ... Unpacking libisl21:amd64 (0.21-2) ... Unpacking cpp-9 (9.2.1-9ubuntu2) ... Unpacking libgcc-9-dev:amd64 (9.2.1-9ubuntu2) ... Unpacking gcc-9 (9.2.1-9ubuntu2) ... Unpacking libstdc++-9-dev:amd64 (9.2.1-9ubuntu2) ... Unpacking g++-9 (9.2.1-9ubuntu2) ... Unpacking g++ (4:9.2.1-3.1ubuntu1) over (4:8.3.0-1ubuntu3) ... Unpacking gcc (4:9.2.1-3.1ubuntu1) over (4:8.3.0-1ubuntu3) ... Unpacking cpp (4:9.2.1-3.1ubuntu1) over (4:8.3.0-1ubuntu3) ... => now it is breaking One thing that we have seen to cause breakage in other cases was the new default to enable: -fcf-protection The code already carries quite a bunch of similar "no" rules: COMMONCFLAGS += $(call cc-option,$(CC),-nopie,) COMMONCFLAGS += $(call cc-option,$(CC),-fno-pie,) COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector,) COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector-all,) COMMONCFLAGS += $(call cc-option,$(CC),-fstack-check=no,) COMMONCFLAGS += $(call cc-option,$(CC),-Wno-address-of-packed-member,) Lets add to that: COMMONCFLAGS += $(call cc-option,$(CC),-fcf-protection=none,) => That made it work \o/ ! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1866870 Title: KVM Guest pauses after upgrade to Ubuntu 20.04 To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1866870/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs