On 10/03/2022 08:54, Patrick M. Hausen wrote:
Hi Johan,

we experience the same on 13.1-PRERELEASE. Currently trying to collect some 
evidence
(dtrace) to send to Kristof Provost who was so kind to assist. We are hit by 
the problem
in production in 12-24 hour intervals. Have not done any artificial load tests, 
yet.

May I ask you to run this dtrace script while at least one jail is disconnected 
and while
traffic is present that is trying to reach the jail? If you can afford to do 
that in production (?)
that would be great. Forward to Kristof (kp@), please.

Thanks and kind regards
Patrick
----------
#!/usr/sbin/dtrace -s

BEGIN
{
    self->in_menq = 0;
}

fbt:if_epair:epair_menq:entry
{
    self->in_menq = 1;
    printf("In epair_menq");
}

fbt:if_epair:epair_menq:return
/ self->in_menq == 1 /
{
    self->in_menq = 0;
    printf("Leave epair_menq");
}

fbt:kernel:taskqueue_enqueue:entry
/ self->in_menq == 1 /
{
    printf("Enqueue task");

}

fbt:if_epair:epair_tx_start_deferred:entry
{
    printf("epair_tx_start_deferred");
}
----------


I will do, please be gentle as i have never used dtrace.

As this is a test machine i can do whatever i want with it.
I will send the output to kp@

This is 14-HEAD BTW, i can do on 13.1 if you want!

regards,
Johan

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