On Sun, Sep 28, 2025 at 09:01:08AM +0800, Yumei Huang wrote:

Signed-off-by: Yumei Huang

Nice. Several things clearer than v1. Probably more that could be revised, but this looks like a good improvement on its own. Reviewed-by: David Gibson

--- test/README.md | 35 +++++++++++++++++++++++++++++++++-- 1 file changed, 33 insertions(+), 2 deletions(-)

diff --git a/test/README.md b/test/README.md index 91ca603..0df7533 100644 --- a/test/README.md +++ b/test/README.md @@ -32,7 +32,7 @@ Example for Debian, and possibly most Debian-based distributions: git go iperf3 isc-dhcp-common jq libgpgme-dev libseccomp-dev linux-cpupower lm-sensors lz4 netavark netcat-openbsd psmisc qemu-efi-aarch64 qemu-system-arm qemu-system-misc qemu-system-ppc qemu-system-x86 - qemu-system-x86 sipcalc socat strace tmux uidmap valgrind + sipcalc socat strace tmux uidmap valgrind

NOTE: the tests need a qemu version >= 7.2, or one that contains commit 13c6be96618c ("net: stream: add unix socket"): this change introduces support @@ -81,7 +81,12 @@ The following additional packages are commonly needed:

## Regular test

-Just issue: +Before running the tests, you need to prepare the required assets: + + cd test + make assets + +Then issue:

./run

@@ -91,6 +96,32 @@ variable settings: DEBUG=1 enables debugging messages, TRACE=1 enables tracing

PCAP=1 TRACE=1 ./run

+**Note:** + +* Don't run the tests as root, the whole point of passt is not to run as root. + +* If you switch users before running the tests, you may hit "Permission denied" + error. It's probably due to + [Bug 967509](https://bugzilla.redhat.com/show_bug.cgi?id=967509). + If you switch users with `su` or `sudo`, the directory `/run/user/ID` may + not be created, and `XDG_RUNTIME_DIR` points to the /run/user directory of + the previous user rather than the target user. + + **Workaround:** Log out and log back in as the intended user to ensure the + correct runtime directory is set up. Or use `machinectl shell --uid=$user`. + +* SELinux may prevent the tests from running correctly. To avoid this, + temporarily disable it by running: + + setenforce 0 + +* Some tests require a QEMU version >= 10.0.0, or a build that includes the + following commits: + + 60f543ad917f ("virtio-net: vhost-user: Implement internal migration") + 3f65357313e0 ("vhost: Add stubs for the migration state transfer + interface") + ## Running selected tests

Rudimentary support to run a list of selected tests, without support for -- 2.47.0

-- David Gibson (he or they) | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you, not the other way | around. http://www.ozlabs.org/~dgibson