vhost-user-test qos-test fails on s390x host
Host environment
- Operating system: Ubuntu 20.04
- Architecture: s390x
- QEMU flavor: qemu-system-arm
- QEMU version: commit 16a550bd
- QEMU command line:
make --output-sync -j`nproc` check V=1
Description of problem
The qos-test is now definitely failing in the ubuntu-20.04-s390x-all CI job. See https://gitlab.com/qemu-project/qemu/-/jobs/3363173491 , then click on "Complete Raw" to see the full log. Quoting:
ERROR:../tests/qtest/vhost-user-test.c:248:wait_for_fds: assertion failed: (s->fds_num)
**
ERROR:../tests/qtest/qos-test.c:191:subprocess_run_one_test: child process (/arm/virt/virtio-mmio/virtio-bus/vhost-user-gpio-device/vhost-user-gpio/vhost-user-gpio-tests/read-guest-mem/memfile/subprocess [274051]) failed unexpectedly
(test program exited with status code -6)