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Hey there,
after pausing through christmas and new years, and therefore a larger update on my work machine yesterday, it has shown strange behavior (ethernet connection loss after few minutes, etc - it is a e1000e, too). I have noticed that "sudo ip link set eth0 down" and "sudo ip link set eth0 up" seems to bring it back, which is at least a work around for me. However, the whole system seems to lag at very light usage like scrolling in a browser, or quite badly, using a python console.
I don't know if this is the right place for these kind of issues, but maybe you could help me with this.
$ uname -r
5.4.8-arch1-1
Dmesg does not show any relevant messages (besides many audit-messages lately, but this I have seen before the update...).
Anyone here who has a similar laggin behavior / ethernet issue, or an idea where to start digging?
To clarify: I was assuming this to be a kernel issue and thought I could get around it by first downgrading the kernel (no luck, but even more lagging) and then changing to the linux-lts kernel, see [1]. But this seemed to result in more/different problems that no one has a solution for (so far) and I am still not completely hopeless to actually solve my initial problem.
[1] https://bbs.archlinux.org/viewtopic.php?id=251959
Last edited by milk (2020-01-07 16:47:07)
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No idea?
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How to post. A sincere effort to use modest and proper language and grammar is a sign of respect toward the community.
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We need more info:
1) What hardware do you have ('lspci -nnk') ?
2) How do you setup network connection (what are you using: NetworkManager, dhcpd, systemd-networkd, other)?
3) Output of command 'systemctl list-unit-files --state=enabled' .
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1)
$ lspci -nnk
00:00.0 Host bridge [0600]: Intel Corporation Xeon E3-1200 v5/E3-1500
v5/6th Gen Core Processor Host Bridge/DRAM Registers [8086:191f] (rev 07)
Subsystem: Fujitsu Technology Solutions Xeon E3-1200 v5/E3-1500
v5/6th Gen Core Processor Host Bridge/DRAM Registers [1734:121c]
Kernel driver in use: skl_uncore
00:02.0 VGA compatible controller [0300]: Intel Corporation HD Graphics
530 [8086:1912] (rev 06)
Subsystem: Fujitsu Technology Solutions HD Graphics 530 [1734:121c]
Kernel driver in use: i915
Kernel modules: i915
00:14.0 USB controller [0c03]: Intel Corporation 100 Series/C230 Series
Chipset Family USB 3.0 xHCI Controller [8086:a12f] (rev 31)
Subsystem: Fujitsu Technology Solutions 100 Series/C230 Series
Chipset Family USB 3.0 xHCI Controller [1734:121d]
Kernel driver in use: xhci_hcd
Kernel modules: xhci_pci
00:14.2 Signal processing controller [1180]: Intel Corporation 100
Series/C230 Series Chipset Family Thermal Subsystem [8086:a131] (rev 31)
Subsystem: Fujitsu Technology Solutions 100 Series/C230 Series
Chipset Family Thermal Subsystem [1734:121d]
Kernel driver in use: intel_pch_thermal
Kernel modules: intel_pch_thermal
00:16.0 Communication controller [0780]: Intel Corporation 100
Series/C230 Series Chipset Family MEI Controller #1 [8086:a13a] (rev 31)
Subsystem: Fujitsu Technology Solutions 100 Series/C230 Series
Chipset Family MEI Controller [1734:121d]
Kernel driver in use: mei_me
Kernel modules: mei_me
00:16.3 Serial controller [0700]: Intel Corporation 100 Series/C230
Series Chipset Family KT Redirection [8086:a13d] (rev 31)
Subsystem: Fujitsu Technology Solutions 100 Series/C230 Series
Chipset Family KT Redirection [1734:121d]
Kernel driver in use: serial
00:17.0 SATA controller [0106]: Intel Corporation
Q170/Q150/B150/H170/H110/Z170/CM236 Chipset SATA Controller [AHCI Mode]
[8086:a102] (rev 31)
Subsystem: Fujitsu Technology Solutions
Q170/Q150/B150/H170/H110/Z170/CM236 Chipset SATA Controller [AHCI Mode]
[1734:121d]
Kernel driver in use: ahci
Kernel modules: ahci
00:1f.0 ISA bridge [0601]: Intel Corporation Q170 Chipset LPC/eSPI
Controller [8086:a146] (rev 31)
Subsystem: Fujitsu Technology Solutions Q170 Chipset LPC/eSPI
Controller [1734:121d]
00:1f.2 Memory controller [0580]: Intel Corporation 100 Series/C230
Series Chipset Family Power Management Controller [8086:a121] (rev 31)
Subsystem: Fujitsu Technology Solutions 100 Series/C230 Series
Chipset Family Power Management Controller [1734:121d]
00:1f.3 Audio device [0403]: Intel Corporation 100 Series/C230 Series
Chipset Family HD Audio Controller [8086:a170] (rev 31)
Subsystem: Fujitsu Technology Solutions 100 Series/C230 Series
Chipset Family HD Audio Controller [1734:121e]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:1f.4 SMBus [0c05]: Intel Corporation 100 Series/C230 Series Chipset
Family SMBus [8086:a123] (rev 31)
Subsystem: Fujitsu Technology Solutions 100 Series/C230 Series
Chipset Family SMBus [1734:121d]
Kernel driver in use: i801_smbus
Kernel modules: i2c_i801
00:1f.6 Ethernet controller [0200]: Intel Corporation Ethernet
Connection (2) I219-LM [8086:15b7] (rev 31)
Subsystem: Fujitsu Technology Solutions Ethernet Connection (2)
I219-LM [1734:121f]
Kernel driver in use: e1000e
Kernel modules: e1000e
2) Should be dhcpcd - it was working "out of the box" and I have not reconfigured anything. At startup and shutdown there is some dhcpcd message shown..
3)
$ systemctl list-unit-files --state=enabled
UNIT FILE STATE
org.cups.cupsd.path enabled
acpid.service enabled
autovt@.service enabled
avahi-daemon.service enabled
cronie.service enabled
dbus-org.freedesktop.Avahi.service enabled
dhcpcd.service enabled
getty@.service enabled
lm_sensors.service enabled
ntpd.service enabled
org.cups.cupsd.service enabled
avahi-daemon.socket enabled
org.cups.cupsd.socket enabled
remote-fs.target enabled
14 unit files listed.
I know i915 has been a bigger issue lately, and so has been e1000e. Note, that the lagging seems way more annoying than the work around with the network.
EDIT: Sorry for violating forum rules earlier. I have been looking for further details on this problem, but as you can imagine this could be very complex and I could not see anything helpful coming.. Also I did not know if it is against the rules to apologize (without any relevant infos on the topic).
Last edited by milk (2020-01-07 19:50:28)
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dhcpcd.service enabled
Did you enable this service?
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Sorry, my bad: it is in fact dhcpcd and I am not using NetworkManager applet - I was switching between computers and got confused (I will clean this up in my previous post)..
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If you use build and install the e1000e module from https://bugs.archlinux.org/task/64018#comment184178 is the issue still present?
If not please post the dmesg from a boot with the issue, also the output of top when the system experiences this lag.
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Thank you for the suggestion, i will have to wait until tomorrow for this - it's getting late here...
Do you assume the lagging to be a result of the ethernet connection drop? After re-upping the connection seems stable, but the lagging is really bad constantly...
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I was wondering if the cause was an excess of interrupts ( check /proc/interrupts ) could also check load with CPU and memory load with top.
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Could it be something to do with the "mei_me" kernel module - you could try blacklisting the "mei"/"mei_me" modules to see if that helps?
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