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 <da...@gwynne.id.au> wrote: > >> > >>> On 19 Dec 2024, at 02:17, Maurice Janssen <maur...@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.