This is old, but I found the issue was related to avahi autoip and
disabled it, problem solved.
On 7/31/21 10:06 AM, Norbert wrote:
> ** Tags removed: disco
>
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CubicSDR still triggers it for me even in 5.4.0-42.46, further a 5.8.0 mainline
kernel also suffers
the same. This was working for me until just a few days ago now it's not.
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I can't tell you what performance hit, that depends upon your
application, it will hit TCP apps harder than UDP because UDP can't take
advantage of it at all. The performance hit will be highest in net
centric apps like routers.
apt install ethtool
ethtool --offload eth0 rx off tx
I gave up on this ever being fixed since it's existed since 2.6 and
went and bought some Realtek ethernet cards, no problems since. But, you
can work around this bug by turning hardware offloading off if efficiency
isn't an issue.
Public bug reported:
i915 enable_rc6=0 is not respected. I want to disable rc6 power savings
because it is a tower
machine with a kilowatt supply and lots of fan so I don't give a rip about
power consumption, I do not
want my display interrupted while I'm watching a movie or video and
I am no longer using E1000 based cards.
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I gave up any hope it ever would be fixed, bought some NIC cards with a
different chipset, and moved on.
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I can maybe do this but a 15 step bisection is not something I can do.
This machine needs to be in service 24x7 and it's 21 miles away, I have to
go there to reboot because when it comes up with no network then I'm stuck.
Was kind of hoping something severe enough to render the Operating
System unusable on some platforms would get assigned someone and get a
reasonable priority rather that sitting in limbo.
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Also, this machine is critical so I can not reboot frequently to test
kernels and I have no other machines with this specific hardware to test
with.
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The i7-6700k has the same network interface cards as the i7-6850k so not
an issue with the cards.
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https://bugs.launchpad.net/bugs/1828666
Title:
Kernels 5.0.0 and later
Public bug reported:
On Asus x99A platform with an i7-6850k and 128GB RAM, 5.0.0 and later
kernels neworking does not work. This is true whether I use the
internal network card which is an Intel E1000 based chipset or a add on
card that uses a Broadcomm chip. The same kernels work fine on X299
I had a better fix, after becoming convinced Canonical was not going to
fix the drivers in my lifetime, I went and bought some non-Intel NICs.
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*** This bug is a duplicate of bug 1824677 ***
https://bugs.launchpad.net/bugs/1824677
This is fixed in 5.0.0-13.
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Fixed in 5.0.0-13
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Public bug reported:
I have a Mac Pro 1,1 with Nvidia GeForce 7300 GT video card. Since this card
is no longer supported by Nvidia, I use the nouveau drivers. These work
Perfect in kernel 5.0.0-8-lowlatency, which I am
using to send this report. But in 5.0.0-11-lowlatency I can only work in
I gave up on it every being fixed and bought some broadcom interfaces
for my machines.
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4.14.0 final crashed hard after running 17 hours. Not only was the
ethernet not-responsive, neither was the console, not even the magic
sys-req key. I had to power cycle the machine to get it unhung. Then
I booted 4.14.0rc1 and it immediately exploded however I had set a 20 second
time out and
4.14 has the problem. Do I need to try the 4.15rc0 kernel also since
4.14 isn't well?
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I booted the most problematic machine, that's the i7-6850k machine,
probably because it has the most traffic, on the 4.14.0 kernel, so far so
good.
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I did not see this behavior with 4.13.0 and did with 4.15.0.
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See
Just to make sure you got the latest, the 4.17.x kernel did not work well
enoguh to leave it running, it broke kernel-nfs-server among other things.
I am pressenting running 4.15.0-21 and with this kernel I would still
get these hangs except that I discovered disabling certain hardware
I read an article here https://serverfault.com/questions/616485/e1000e-
reset-adapter-unexpectedly-detected-hardware-unit-
hang?utm_medium=organic_source=google_rich_qa_campaign=google_rich_qa
which stated some people had had success preventing this by disabling
hardware offloading with ethtool -K
This kernel did make it so I could not reproduce it on demand using
ethtool -G however it broke so many other things I could not leave it running
to see if it fixed spontaneous hangs.
Strangely it broke nfs-kernel-server on the i7-6850k machine but not the
i7-6700k machine. I did much
I discovered a way to cause this instantly, I attempted to change the
size of the ring buffers from 512 bytes to the hardware maximum of 4096
using: ethtool -G eno1 rx 4096 tx 4096, it instantly hung the interface
with the following in dmesg:
[458611.154752] e1000e :00:19.0 eno1: Detected
Still happening, not sure why but far more frequently on i7-6850k
platform than i7-6700k.
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https://bugs.launchpad.net/bugs/1766377
Title:
Ethernet E1000 Controller Hangs
Hate to say it but it happened again. Only once which is a lot better
in terms of frequency but still happening, here are details:
[23144.764734] hrtimer: interrupt took 46767 ns
[41628.563552] e1000e :00:19.0 eno1: Detected Hardware Unit Hang:
TDH
Looks like you nailed it. Three machines running haven't barfed in over
11 hours, used to several times an hour.
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Ok, will reboot tonight when traffic is low and let you know how it goes.
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There is a 4.50.0-20.21 in Proposed, is this the correct kernel?
On Tue, April 24, 2018 8:47 am, Joseph Salisbury wrote:
> Would it be possible for you to test the proposed kernel and post back if
> it resolves this bug? See https://wiki.ubuntu.com/Testing/EnableProposed
> for documentation how
Yes though I will need to boot at night when usage is low. Can you tell
me what the kernel version is so I an be sure to get the correct kernel?
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Public bug reported:
With Bionic kernel 4.15.0-15 and 4.15.0-17 I am experiencing periodic
hanging of the LAN connection. This is happening on an Asus X99-DELUX
motherboard, controller specifications:
Intel® I218V, 1 x Gigabit LAN Controller(s)
Intel® I211-AT, 1 x Gigabit LAN
Dual Gigabit
This bug also affects the low-latency kernel Linux iglulik
4.10.0-37-lowlatency #41-Ubuntu SMP PREEMPT Fri Oct 6 21:30:07 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux and you can make that four people that
are affected.
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