The problem continues with 4.15.0-65-generic. This is a ping summary
coming into the affected system from another host on the same network
segment with no connectivity problems, reflecting a four-minute period
of recurrence (ping times were <1ms for the last 20 seconds or so, but
while the problem
This could be the same issue as those other two. Similar hardware is
involved. I haven't had time to test changing those settings on the NIC.
On 2019-03-21 6:41 a.m., Kai-Heng Feng wrote:
> Is this same as LP: #1785171 and #1802691?
>
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I don't have a record of which kernel I was using under xenial, but I'm
almost certain that it was 4.4-based.
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Persists on a freshly reinstalled system.
Output from ping -i6 [host] follows. Note the spike in ping time and
high packet loss.
64 bytes from [host]: icmp_seq=3833 ttl=64 time=0.223 ms
64 bytes from [host]: icmp_seq=3834 ttl=64 time=0.212 ms
64 bytes from [host]: icmp_seq=3835 ttl=64 time=0.156
Persists on a freshly reinstalled system.
Output from ping -i6 [host] follows. Note the spike in ping time and
high packet loss.
64 bytes from [host]: icmp_seq=3833 ttl=64 time=0.223 ms
64 bytes from [host]: icmp_seq=3834 ttl=64 time=0.212 ms
64 bytes from [host]: icmp_seq=3835 ttl=64 time=0.156
I'm experiencing what may be the same thing in bug #1804280. I can't
duplicate the issue on wireless networks, only Ethernet (but the issue
is the same whether I use the onboard Ethernet or a USB Ethernet
interface).
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Possibly the same issue as bug #1666432, but I can't confirm that it
occurs on the wireless interface, just Ethernet interfaces.
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Persists with 4.15.0-43-generic.
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Title:
intermittent periods of packet loss and high latency
Status in linu
This also occurs on wireless network connections, and *may* coincide
with my USB mouse seeing lessened throughput.
It appears to be weakly correlated with the amount of load on the
system. I see no evidence of it occurring at times when the system is
not in use.
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** Attachment added: "nmcli-con.txt"
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** Information type changed from Private to Public
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Changed in: network-manager (U
apport information
** Attachment added: "NetDevice.wlp3s0.txt"
https://bugs.launchpad.net/bugs/1804280/+attachment/5214749/+files/NetDevice.wlp3s0.txt
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** Attachment added: "PulseList.txt"
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** Attachment added: "NetworkManager.conf.txt"
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** Attachment added: "WifiSyslog.txt"
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** Attachment added: "nmcli-con.txt"
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** Attachment added: "UdevDb.txt"
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** Attachment added: "ProcModules.txt"
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** Attachment added: "ProcEnviron.txt"
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** Attachment added: "ProcInterrupts.txt"
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** Attachment added: "ProcCpuinfoMinimal.txt"
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** Attachment added: "PciNetwork.txt"
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** Attachment added: "NetDevice.lo.txt"
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** Attachment added: "NetDevice.enp0s31f6.txt"
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** Attachment added: "Lspci.txt"
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** Attachment added: "IpAddr.txt"
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** Attachment added: "IwConfig.txt"
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** Attachment added: "Dependencies.txt"
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** Attachment added: "CurrentDmesg.txt"
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** Attachment added: "CRDA.txt"
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apport information
** Tags added: apport-collected
** Description changed:
Intermittently and unpredictably, ping response times and packet loss
will spike to unusable levels. Normal ping times are about .25 ms for
other hosts on the local network, with essentially no packet loss.
Durin
** Description changed:
Intermittently and unpredictably, ping response times and packet loss
will spike to unusable levels. Normal ping times are about .25 ms for
other hosts on the local network, with essentially no packet loss.
During the problematic periods (usually lasting 2-10 minut
Removed some identifying information from log files.
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1804280/+attachment/5214619/+files/WifiSyslog.txt
** Information type changed from Private to Public
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** Attachment removed: "nmcli-con.txt"
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** Summary changed:
- intermittent periods of packet loss and latency
+ intermittent periods of packet loss and high latency
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Public bug reported:
Intermittently and unpredictably, ping response times and packet loss
will spike to unusable levels. Normal ping times are about .25 ms for
other hosts on the local network, with essentially no packet loss.
During the problematic periods (usually lasting 2-10 minutes), packet
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