On Mon, Sep 16, 2024 at 07:49:05PM +1000, Jamie Bainbridge wrote:
> Running this test on a small system produces different failures every
> test checking deletions, and some flushes. From different test runs:
>
> TEST: Common host entries configuration tests (L2) [FAIL]
> Failed to delete L2 host entry
>
> TEST: Common port group entries configuration tests (IPv4 (S, G)) [FAIL]
> IPv4 (S, G) entry with VLAN 10 not deleted when VLAN was not specified
>
> TEST: Common port group entries configuration tests (IPv6 (*, G)) [FAIL]
> IPv6 (*, G) entry with VLAN 10 not deleted when VLAN was not specified
>
> TEST: Flush tests [FAIL]
> Entry not flushed by specified VLAN ID
>
> TEST: Flush tests [FAIL]
> IPv6 host entry not flushed by "nopermanent" state
>
> Add a short sleep after deletion and flush to resolve this.
>
> Create a delay variable just for this test to allow short sleep, the
> lib.sh WAIT_TIME of 5 seconds makes the test far longer than necessary.
>
> Tested on several weak systems with 0.1s delay:
> - Ivy Bridge Celeron netbook (2014 x86_64)
> - Raspberry Pi 3B (2016 aarch64)
> - Small KVM VM on Intel 10th gen (2020 x86_64)
> All these systems ran 25 test runs in a row with 100% pass OK.
>
> Fixes: b6d00da08610 ("selftests: forwarding: Add bridge MDB test")
> Signed-off-by: Jamie Bainbridge <jamie.bainbridge@xxxxxxxxx>
> ---
> v2: Avoid false check failures as seen by Jakub Kicinski.
> ---
Reviewed-by: Simon Horman <horms@xxxxxxxxxx>
