I have not tweaked the microarchitecture settings for qemu - I rely on it for my teaching assistant duties as well as for seL4, so I leave it alone. Plus, this is a fresh VM that only exists for seL4, so I’ve changed almost nothing on it.
GCC: gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0 Clang: clang version 6.0.0-1ubuntu2 (tags/RELEASE_600/final) qemu: QEMU emulator version 2.11.1(Debian 1:2.11+dfsg-1ubuntu7.6) The qemu command being run is: qemu-system-x86_64 -cpu Nehalem,-vme,+pdpe1gb,-xsave,-xsaveopt,-xsavec,-fsgsbase,-invpcid,enforce -nographic -serial mon:stdio -m size=512M -kernel images/kernel-x86_64-pc99 -initrd images/hello-world-image-x86_64-pc99 The only other odd thing that it might be is that I have enabled VT-x/EPT support for the VM in VMware, I wouldn’t think that would cause any problems, though... Jeremiah Peschka On Oct 22, 2018, 23:37 -0700, [email protected], wrote: > Happy that it is working for you in the Docker container. Based on the > images you provided, it seems that the compiler is generating instructions > for a newer microarchitecture than what qemu is simulating. This is why > seL4test is getting a user exception. Do you tweak the microarchitecture > settings at all? Otherwise what version is the compiler in the VM that you > are using? > > Kent.
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