On Thu, Dec 19, 2024 at 10:48:41PM +0100, Maurice Janssen wrote:
> On Thu, Dec 19, 2024 at 09:40:20AM +1000, David Gwynne wrote:
> >
> >> On 19 Dec 2024, at 08:20, David Gwynne <david@gwynne.id.au> wrote:
> >>
> >>> On 19 Dec 2024, at 02:17, Maurice Janssen <maurice@z74.net> wrote:
> >>> kstat(1) shows me that there are (nearly) no errors on the rx side, but
> >>> showed about 470k dropped packets (qdrops) on the tx side for igc2.
> >>
> >> wait, what?
> >
> >do you see oactives going up too?
>
> The oactives counters for igc2:0:txq:[0-3] are > 0, but didn't increase
> during the last 12 hours. Same for the qdrops.
> But at this moment I'm getting about 1200 NTP requests per second, as I
> lowered the bandwith setting in the pool a bit (to avoid getting removed
> from the pool). At the moment, there seem to be no or very little packet
> loss.
> I will increase the setting temporarily and see what happens with the
> counters.
>
> Part of the kstat output:
> igc2:0:txq:0
> packets: 1225749955 packets
> bytes: 122334582656 bytes
> qdrops: 140005 packets
> errors: 0 packets
> qlen: 0 packets
> maxqlen: 1023 packets
> oactive: false
> oactives: 9433
> igc2:0:txq:1
> packets: 797916877 packets
> bytes: 80690434981 bytes
> qdrops: 88268 packets
> errors: 0 packets
> qlen: 0 packets
> maxqlen: 1023 packets
> oactive: false
> oactives: 10854
> igc2:0:txq:2
> packets: 800092190 packets
> bytes: 80927529361 bytes
> qdrops: 29505 packets
> errors: 0 packets
> qlen: 0 packets
> maxqlen: 1023 packets
> oactive: false
> oactives: 7364
> igc2:0:txq:3
> packets: 802568095 packets
> bytes: 81134090003 bytes
> qdrops: 216840 packets
> errors: 0 packets
> qlen: 0 packets
> maxqlen: 1023 packets
> oactive: false
> oactives: 15490
>
> >> do you have PCIe ASPM enabled in the bios?
>
> No idea, I can check this tomorrow morning.
did you check this?
i'm sure i've seen chatter about aspm and pci power management causing
problems with intel 2.5g nics.
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