I eon't have problems with connectivity, but I hqve problems with speed.
Iperf3 shows upload speed as normal(940mbps), but download speed is only
750mbps for some reason. I'm running Ubuntu 18.04.1, and Intel I219-V
NIC. Please fix!
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Public bug reported:
Testing with iperf3 receive speed is only 750mbps while transmit speed
is normal - 940mbps.
Ubuntu 18.04.1
Msi b250m mortar
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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I dis not upgrade. I did a clean install. Unfortumately I probbly won't
be trying a mainline kernel because it seems that it's too complicated
to remove.
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I have to ckarify. The problem is NOT with receive/download speed, but
with SEND. SEND speed on Ubuntu machine are too low. Iperf is a bit
backwards, but I confirmed it by checking my windows pc traffic.
I installed the mainline kernel 4.19.2 and the problem didn't go away,
so the problem hasn't
** Summary changed:
- Slow receive speed with Intel I219-V
+ Slow send speed with Intel I219-V
** Summary changed:
- Slow send speed with Intel I219-V
+ Slow send speed with Intel I219-V on Ubuntu 18.04.1
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apport information
** Tags added: apport-collected bionic
** Description changed:
Testing with iperf3 send speed is only 750mbps while receive speed is
normal - 940mbps.
Ubuntu 18.04.1
Msi b250m mortar
+ ---
+ ProblemType: Bug
+ ApportVersion: 2.20.9-0ubuntu7.5
+ Architecture: amd64
apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1802691/+attachment/5213489/+files/Lspci.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1802691/+attachment/5213493/+files/ProcInterrupts.txt
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apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1802691/+attachment/5213492/+files/ProcEnviron.txt
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apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1802691/+attachment/5213487/+files/CRDA.txt
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apport information
** Attachment added: "PulseList.txt"
https://bugs.launchpad.net/bugs/1802691/+attachment/5213495/+files/PulseList.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1802691/+attachment/5213496/+files/UdevDb.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1802691/+attachment/5213494/+files/ProcModules.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1802691/+attachment/5213490/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1802691/+attachment/5213497/+files/WifiSyslog.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1802691/+attachment/5213488/+files/CurrentDmesg.txt
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apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1802691/+attachment/5213491/+files/ProcCpuinfoMinimal.txt
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Public bug reported:
When trying to transfer a file from Windows 10 to Ubuntu 18.04 over
samba, transfer speed fluctuates up and down between 20MB/s and 110MB/s.
When transfering from Ubuntu to Windows 10 speed is steady at 90MB/s
(instead of 110MB due to a bug that I've already reported)
Iperf3
While I was waiting for a fix, I've just noticed a new problem.. Now the
transfer speed became very inconsistent. For the first few seconds when
I'm sending TO Ubuntu I get 110MBs (as expected), but then speed drops
to 50, 30, 20 and keeps going up and down for the rest of the files
transfer. Very
apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1806106/+attachment/5217746/+files/Lspci.txt
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apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1806106/+attachment/5217744/+files/CRDA.txt
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apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1806106/+attachment/5217748/+files/ProcCpuinfoMinimal.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1806106/+attachment/5217745/+files/CurrentDmesg.txt
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apport information
** Attachment added: "PulseList.txt"
https://bugs.launchpad.net/bugs/1806106/+attachment/5217752/+files/PulseList.txt
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Packages, which is subscribed to linux in Ubuntu.
apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1806106/+attachment/5217749/+files/ProcEnviron.txt
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Packages, which is subscribed to linux in Ubuntu.
apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1806106/+attachment/5217753/+files/UdevDb.txt
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apport information
** Tags added: apport-collected bionic
** Description changed:
When trying to transfer a file from Windows 10 to Ubuntu 18.04 over
samba, transfer speed fluctuates up and down between 20MB/s and 110MB/s.
When transfering from Ubuntu to Windows 10 speed is steady at
Fixed after latest update and removal of old kernels.
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https://bugs.launchpad.net/bugs/1806106
Title:
Inconsistent/slow file transfer speed TO Ubuntu 18.04
Status in
I've just confirmed the problem again by trying to transfer a file
between Windows 10 and Ubuntu 18.04.1 via samba. Upload speed from
Windoes to Ubuntu is 110-115MB/S, while download from Ubuntu to Windows
is only 88-90MB/S.
There seems to be another possibly related or unrelated issue. If SAME
apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1806106/+attachment/5217754/+files/WifiSyslog.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1806106/+attachment/5217751/+files/ProcModules.txt
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Packages, which is subscribed to linux in Ubuntu.
apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1806106/+attachment/5217747/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1806106/+attachment/5217750/+files/ProcInterrupts.txt
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I'm experiencing this same issue.
After running Ubuntu Gnome's Software Updater and rebooting this
morning, the OS would no longer boot. Holding shift during boot and
picking an older kernel (4.2.0-27-generic) allows the OS to boot.
Picking 4.2.0-30-generic on boot reproduces the problem again.
Confirmed to resolve my issue with 15.10. Thanks!
simas@ubdsk01:~$ uname -a
Linux ubdsk01 4.2.0-30-generic #36-Ubuntu SMP Fri Feb 26 00:58:07 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux
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