ACK/Cmnt: [SRU][F:linux-bluefield][PATCH v1 0/1] UBUNTU: SAUCE: mlxbf-gige: Vitesse PHY stuck in a bad state during reboot test

[Tim Gardner]

On 5/23/24 11:25, Asmaa Mnebhi wrote:
> BugLink: https://bugs.launchpad.net/bugs/2064163
> 
> SRU Justification:
> 
> [Impact]
> 
> During the QA reboot test, the BF3 Vitesse PHY gets stuck in a bad state, resulting in no ip provisioning. The only way to recover is to powercycle.
> We found a software workaround to avoid getting in this state in the first place: disable the OOB port in the shutdown function.
> Although the PHY issue only happens in BF3, disabling the OOB port in the
> shutdown is a fix that should apply to BF2 as well.
> 
> [Fix]
> 
> * Prevent the PHY from entering this bad state by disabling
>    the OOB port during shutdown.
> 
> [Test Case]
> 
> * do the reboot test (at least 2000 reboots): run 'reboot' from linux.
> * Check that the oob_net0 interface is up and the ip is assigned.
> * please note that if the the OOB doesn't get an ip, try reloading the driver (rmmod/modprobe).
>    It that solves the issue, that would be a different bug. In the bug at stake, nothing
>    recovers the OOB ip except power cycle.
> 
> [Regression Potential]
> 
> * Make sure the redfish DHCP is still working during the reboot test
> * Make sure the OOB gets an ip
> 
Acked-by: Tim Gardner <tim.gardner at canonical.com>

You need to nominate Focal in the bug report.
-- 
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Tim Gardner
Canonical, Inc