On 30.08.2017 16:53, Philippe Mathieu-Daudé wrote: > On 08/30/2017 10:39 AM, Thomas Huth wrote: >> The "slow" ivshmem-tests currently fail when they are running on a >> big endian host: >> >> $ uname -m >> ppc64 >> $ V=1 QTEST_QEMU_BINARY=x86_64-softmmu/qemu-system-x86_64 >> tests/ivshmem-test -m slow >> /x86_64/ivshmem/single: OK >> /x86_64/ivshmem/hotplug: OK >> /x86_64/ivshmem/memdev: OK >> /x86_64/ivshmem/pair: OK >> /x86_64/ivshmem/server-msi: qemu-system-x86_64: >> -device ivshmem-doorbell,chardev=chr0,vectors=2: server sent invalid >> ID message >> Broken pipe >> >> The problem is that the server side code in ivshmem_server_send_one_msg() >> correctly translates all messages IDs into little endian 64-bit values, >> but the client side code in the ivshmem_recv_msg() function does not swap >> the byte order back. Fix it by passing the value through le64_to_cpu(). > > Yes, we lack BE testing :(
As far as I know, some people are already running the tests on s390x and ppc64 ... the problem is that apparently nobody is running with SPEED=slow there - that's why this problem slipped through so far. Maybe we should switch to the SPEED=slow by default in the Makefile? Thomas