It does fixes the problem, thanks for the help! I'll make sure to include full dmesg next time
Thanks, On Tue, Sep 10, 2019 at 12:23 PM Richard Procter < richard.n.proc...@gmail.com> wrote: > Hello, > > > On 9/09/2019, at 8:45 PM, Jihyun Yu <yjh0...@gmail.com> wrote: > > > > It seems that time from ping command fluctuates. Here's a output from > ping > > command. > > [...snip ping with negative rtt...] > > This is symptomatic of unsynchronized time stamp counters (TSC). > > I would expect that setting: > > # sysctl kern.timecounter.hardware=acpihpet0 > > would fix your ping results, and probably improve your ntpd(8) > performance, too. > > There has been some work in this area on -current. > > best, > Richard. > > PS. Please make sure to include a complete dmesg next time - > half a dmesg is like half a photograph! > > > 00=2828 01=a1a1 02=f7f7 03=2020 04=d9d9 05=5b5b 06=0b0b 07=3030 > > isa0 at pcib0 > > isadma0 at isa0 > > com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo > > pckbc0 at isa0 port 0x60/5 irq 1 irq 12 > > pckbd0 at pckbc0 (kbd slot) > > wskbd0 at pckbd0: console keyboard, using wsdisplay0 > > pcppi0 at isa0 port 0x61 > > spkr0 at pcppi0 > > wbsio0 at isa0 port 0x2e/2: NCT6776F rev 0x33 > > lm1 at wbsio0 port 0x290/8: NCT6776F > > pci13 at mainbus0 bus 255 > > "Intel E5 QPI Link" rev 0x07 at pci13 dev 8 function 0 not configured > > vendor "Intel", unknown product 0x3c83 (class system subclass > > miscellaneous, rev 0x07) at pci13 dev 8 function 3 not configured > > vendor "Intel", unknown product 0x3c84 (class system subclass > > miscellaneous, rev 0x07) at pci13 dev 8 function 4 not configured > > "Intel E5 QPI Link" rev 0x07 at pci13 dev 9 function 0 not configured > > vendor "Intel", unknown product 0x3c93 (class system subclass > > miscellaneous, rev 0x07) at pci13 dev 9 function 3 not configured > > vendor "Intel", unknown product 0x3c94 (class system subclass > > miscellaneous, rev 0x07) at pci13 dev 9 function 4 not configured > > "Intel E5 PCU" rev 0x07 at pci13 dev 10 function 0 not configured > > "Intel E5 PCU" rev 0x07 at pci13 dev 10 function 1 not configured > > "Intel E5 PCU" rev 0x07 at pci13 dev 10 function 2 not configured > > "Intel E5 PCU" rev 0x07 at pci13 dev 10 function 3 not configured > > "Intel E5 Scratch" rev 0x07 at pci13 dev 11 function 0 not configured > > "Intel E5 Scratch" rev 0x07 at pci13 dev 11 function 3 not configured > > "Intel E5 Unicast" rev 0x07 at pci13 dev 12 function 0 not configured > > "Intel E5 Unicast" rev 0x07 at pci13 dev 12 function 1 not configured > > "Intel E5 Unicast" rev 0x07 at pci13 dev 12 function 2 not configured > > "Intel E5 SAD" rev 0x07 at pci13 dev 12 function 6 not configured > > "Intel E5 SAD" rev 0x07 at pci13 dev 12 function 7 not configured > > "Intel E5 Unicast" rev 0x07 at pci13 dev 13 function 0 not configured > > "Intel E5 Unicast" rev 0x07 at pci13 dev 13 function 1 not configured > > "Intel E5 Unicast" rev 0x07 at pci13 dev 13 function 2 not configured > > "Intel E5 Broadcast" rev 0x07 at pci13 dev 13 function 6 not configured > > "Intel E5 Home Agent" rev 0x07 at pci13 dev 14 function 0 not configured > > "Intel E5 Home Agent" rev 0x07 at pci13 dev 14 function 1 not configured > > "Intel E5 TA" rev 0x07 at pci13 dev 15 function 0 not configured > > "Intel E5 RAS" rev 0x07 at pci13 dev 15 function 1 not configured > > "Intel E5 TAD" rev 0x07 at pci13 dev 15 function 2 not configured > > "Intel E5 TAD" rev 0x07 at pci13 dev 15 function 3 not configured > > "Intel E5 TAD" rev 0x07 at pci13 dev 15 function 4 not configured > > "Intel E5 TAD" rev 0x07 at pci13 dev 15 function 5 not configured > > "Intel E5 TAD" rev 0x07 at pci13 dev 15 function 6 not configured > > "Intel E5 Thermal" rev 0x07 at pci13 dev 16 function 0 not configured > > "Intel E5 Thermal" rev 0x07 at pci13 dev 16 function 1 not configured > > "Intel E5 Error" rev 0x07 at pci13 dev 16 function 2 not configured > > "Intel E5 Error" rev 0x07 at pci13 dev 16 function 3 not configured > > "Intel E5 Thermal" rev 0x07 at pci13 dev 16 function 4 not configured > > "Intel E5 Thermal" rev 0x07 at pci13 dev 16 function 5 not configured > > "Intel E5 Error" rev 0x07 at pci13 dev 16 function 6 not configured > > "Intel E5 Error" rev 0x07 at pci13 dev 16 function 7 not configured > > "Intel E5 DDRIO" rev 0x07 at pci13 dev 17 function 0 not configured > > "Intel E5 R2PCIE" rev 0x07 at pci13 dev 19 function 0 not configured > > "Intel E5 PCIE Monitor" rev 0x07 at pci13 dev 19 function 1 not > configured > > "Intel E5 QPI" rev 0x07 at pci13 dev 19 function 4 not configured > > "Intel E5 QPI Link Monitor" rev 0x07 at pci13 dev 19 function 5 not > > configured > > "Intel E5 QPI Link Monitor" rev 0x07 at pci13 dev 19 function 6 not > > configured > > vmm0 at mainbus0: VMX/EPT > > uhub4 at uhub0 port 1 configuration 1 interface 0 "Intel Rate Matching > Hub" > > rev 2.00/0.00 addr 2 > > uhub5 at uhub3 port 1 configuration 1 interface 0 "Intel Rate Matching > Hub" > > rev 2.00/0.00 addr 2 > > vscsi0 at root > > scsibus4 at vscsi0: 256 targets > > softraid0 at root > > scsibus5 at softraid0: 256 targets > > root on sd0a (74fd07b06a4f30a1.a) swap on sd0b dump on sd0b > > > > > > Thanks, > > Jihyun Yu > >
