Hi Danny and Ludo’! > Can you try printing (@@ (guix build syscalls) ifreq-struct-size) directly?
I did that, it's printing 40 in both cases. That’s the value which is ending up in stride. > Is it qemu-user or qemu-system? ~$ /usr/local/bin/qemu-system-x86_64 --version QEMU emulator version 2.12.1 (-dirty) Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers > (Note: Empirically, on armhf, that struct is 32 Bytes big in C. > And indeed the Linux kernel contains a compat struct ifreq32 in > fs/compat_ioctl.c) Bye Stefan
