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Bug#971352: marked as done (Some packets are slowed down)

Your message dated Wed, 30 Sep 2020 23:25:00 +0100
with message-id <54d1826117dae9ecd430abb3b4001ba1c8a5759c.camel@decadent.org.uk>
and subject line Re: Bug#971352: Some packets are slowed down
has caused the Debian Bug report #971352,
regarding Some packets are slowed down
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
971352: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=971352
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-image-amd64
Version: 4.19.0-6-amd64

System are: debian10 
Hardware: Fujitsu (RX2530)
NIC: Mellanox Technologies MT27710 Family [ConnectX-4 Lx]

Problem: Some packets are slowed down

root@ds1.sb:~# traceroute X.X.X.X
traceroute to X.X.X.X (X.X.X.X), 30 hops max, 60 byte packets
 1  "ROUTER with debian10 kernel 4.19.0-8-amd64" (A.B.C.D)  0.061 ms  0.040 ms  0.023 ms
 2  "ROUTER with debian10 kernel 4.19.0-8-amd64" (W.X.Y.Z)  3.812 ms  3.807 ms  3.792 ms
 3  HOST (X.X.X.X)  3.861 ms  3.858 ms  3.820 ms


# ping -i 0.1 X.X.X.X
PING X.X.X.X (X.X.X.X) 56(84) bytes of data.
64 bytes from X.X.X.X: icmp_seq=1 ttl=62 time=3.92 ms
64 bytes from X.X.X.X: icmp_seq=2 ttl=62 time=3.99 ms
64 bytes from X.X.X.X: icmp_seq=3 ttl=62 time=3.90 ms
64 bytes from X.X.X.X: icmp_seq=4 ttl=62 time=3.90 ms
64 bytes from X.X.X.X: icmp_seq=5 ttl=62 time=3.88 ms
64 bytes from X.X.X.X: icmp_seq=6 ttl=62 time=118 ms
64 bytes from X.X.X.X: icmp_seq=7 ttl=62 time=15.6 ms
64 bytes from X.X.X.X: icmp_seq=8 ttl=62 time=3.86 ms
64 bytes from X.X.X.X: icmp_seq=9 ttl=62 time=3.88 ms
64 bytes from X.X.X.X: icmp_seq=10 ttl=62 time=3.92 ms
64 bytes from X.X.X.X: icmp_seq=11 ttl=62 time=3.92 ms
64 bytes from X.X.X.X: icmp_seq=12 ttl=62 time=27.8 ms
64 bytes from X.X.X.X: icmp_seq=13 ttl=62 time=11.2 ms
64 bytes from X.X.X.X: icmp_seq=14 ttl=62 time=29.3 ms
64 bytes from X.X.X.X: icmp_seq=15 ttl=62 time=3.96 ms
64 bytes from X.X.X.X: icmp_seq=16 ttl=62 time=3.91 ms
64 bytes from X.X.X.X: icmp_seq=17 ttl=62 time=3.89 ms
64 bytes from X.X.X.X: icmp_seq=18 ttl=62 time=3.92 ms
64 bytes from X.X.X.X: icmp_seq=19 ttl=62 time=3.89 ms
64 bytes from X.X.X.X: icmp_seq=20 ttl=62 time=21.8 ms
64 bytes from X.X.X.X: icmp_seq=21 ttl=62 time=3.88 ms
64 bytes from X.X.X.X: icmp_seq=22 ttl=62 time=3.91 ms
64 bytes from X.X.X.X: icmp_seq=23 ttl=62 time=3.86 ms
64 bytes from X.X.X.X: icmp_seq=24 ttl=62 time=3.92 ms
64 bytes from X.X.X.X: icmp_seq=25 ttl=62 time=41.9 ms

--- End Message ---
--- Begin Message --- 
On Tue, 2020-09-29 at 07:28 +0000, Koch Andreas wrote:
> Package: linux-image-amd64
> Version: 4.19.0-6-amd64

This is at least 9 months out of date, so you should upgrade.

> System are: debian10 
> Hardware: Fujitsu (RX2530)
> NIC: Mellanox Technologies MT27710 Family [ConnectX-4 Lx]
> 
> Problem: Some packets are slowed down
[...]

Network performance issues are complex, and you need someone to do a
proper analysis to establish where the delay is introduced and whether
this is a configuration issue or a bug.  We're not going to do that
investigation for you.

Ben.

-- 
Ben Hutchings
Unix is many things to many people,
but it's never been everything to anybody.

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