** Changed in: linux (Ubuntu)
Status: Fix Committed => Fix Released
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Title:
Servers going OOM after updating kernel from 4.10
This bug was fixed in the package linux - 4.13.0-38.43
---
linux (4.13.0-38.43) artful; urgency=medium
* linux: 4.13.0-38.43 -proposed tracker (LP: #1755762)
* Servers going OOM after updating kernel from 4.10 to 4.13 (LP: #1748408)
- i40e: Fix memory leak related filter prog
For how long do the Xenial HWE kernels stay in the "proposed" ?
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Title:
Servers going OOM after updating kernel from 4.10 to 4.13
S
Proposed kernels show the same improved behaviour as the earlier test
kernels.
** Tags removed: verification-needed-artful
** Tags added: verification-done-artful
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Running the -proposed kernel on two machines now, will provide the
results in a couple of days.
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Title:
Servers going OOM after upda
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Committed
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Title:
Servers going OOM after updating kernel from 4.10
Together with the new Artful kernel there was also a new HWE kernel that
is based on the new Artful kernel (4.13.0-38.43~16.04.1). Verification
can be done with that kernel as well. Just the automatically generated
messages are for the base kernels where the patch was applied to. The
HWE kernel is
@Stefan: I haven't reproduced the issue on Artful and I don't have an
environment to do so. The original issue is for the HWE kernel on Xenial
and only for that I can perform verification.
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This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
artful' to 'verification-done-artful'. If the problem still exists,
change the tag 'verifica
** Changed in: linux (Ubuntu Artful)
Status: In Progress => Fix Committed
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Title:
Servers going OOM after updating kernel fro
SRU request submitted:
https://lists.ubuntu.com/archives/kernel-team/2018-March/090701.html
** Description changed:
- We are seeing this on multiple servers after upgrading from previous
- 4.10 series HWE kernels to the new 4.13 HWE series. With the new kernel,
- free memory is continously decrea
** Changed in: linux (Ubuntu)
Status: Triaged => In Progress
** Changed in: linux (Ubuntu Artful)
Status: Triaged => In Progress
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The slow leak will probably be tolerable for the time being, having
those two patches added to the kernel would surely be a pretty valuable
step that I think should be done now. My target still is Xenial with the
hwe kernel, though. If you need to go via Artful to fix that, well, go
ahead.
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You
Do you think an Artful SRU request should be sent for commits 2b9478 and
62b4c66? Or would you like to investigate the slow memory leak further?
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The test kernel solves the issue in the same way as my own kernel
earlier, i.e. we still seem to have a very slow running memory leak with
this kernel. I'm also seeing this slow leak when I replace the in-tree
i40e driver by an upstream version (2.3.4), so either it is unrelated or
contained in bot
I built a test kernel with commits 2b9478 and 62b4c66. The test kernel can be
downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1748408
Can you test this kernel and see if it resolves this bug?
Note, to test this kernel, you need to install both the linux-image and
linux-image-extra .deb p
After running for a couple of days, it seems that we are still seeing
the slow memory leak similar to what was noticed in >= 4.14 earlier with
the patched kernel. But it won't be possible for me to bisect at that
rate.
@Joseph: Getting a patched current 4.13 still would be nice, getting
instructio
I have a significant memory leak after upgrading from previous 4.10
series HWE kernels to the new 4.13 HWE series for Ubuntu 16.04 server
with Ethernet controller Intel X710 for 10GbE SFP+
# dmesg | grep i40e
[1.625565] i40e: Intel(R) Ethernet Connection XL710 Network Driver -
version 2.1.14-
O.k., confirming that this series of patches fixes the issue:
~/linux$ git log --oneline|head -3
bc6d6fd2f916 i40e: Add programming descriptors to cleaned_count
69949b3bd674 i40e: Fix memory leak related filter programming status
b32038eb34ee UBUNTU: Ubuntu-4.13.0-32.35
Can you build the same thi
Reading the thread further, we seem to need two patches, see
https://www.spinics.net/lists/netdev/msg462051.html, so I'm going to add
bc6d6fd2f916a0794ae4c44b28e14e2d172e05e0 into the build, too.
Will try that on top of b32038eb34ee42fd8056f99f88652270f6667996 (tag:
Ubuntu-4.13.0-32.35).
I also
I built a test kernel with commit 2b9478ffc550f1. The test kernel can be
downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1748408
Can you test this kernel and see if it resolves this bug?
Note, to test this kernel, you need to install both the linux-image and
linux-image-extra .deb packa
A colleague found that this seems to be a known issue:
https://www.spinics.net/lists/netdev/msg458258.html
and the fix should be
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/drivers/net/ethernet/intel/i40e/i40e_txrx.c?id=2b9478ffc550f17c6cd8c69057234e91150f5972
I will tr
Sorry for the delay, bisecting took longer than planned, but I now have
the result:
6964e53f55837b0c49ed60d36656d2e0ee4fc27b is the first bad commit
commit 6964e53f55837b0c49ed60d36656d2e0ee4fc27b
Author: Jacob Keller
Date: Mon Jun 12 15:38:36 2017 -0700
i40e: fix handling of HW ATR evicti
@Dr. Jens Harbott, Just let me know if you need assistance with the
bisect between 4.11 and 4.12. I can build the kernels for you. I would
say the next step would be to test the 4.12 release candidates to narrow
down the issue further. 4.12-rc1 is available here:
http://kernel.ubuntu.com/~kerne
** Tags added: kernel-bug-exists-upstream
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Title:
Servers going OOM after updating kernel from 4.10 to 4.13
Status in linux package
Oh and I have also experienced random, unexplained OOM crashing of squid
process recently on two separate machines (one i386 and one amd64) which
seem to coincide in time with the upgrade from kernel 4.10 to 4.13
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Hi guys. I'm experiencing problems with 4.13.0-36 on a cloud server
(x64) with dynamic ram management. The server is provisioned to use up
to 12GB of RAM, but it got so bad that only 1GB was visible, causing
everything to a halt while swap usage went through the roof. Could it be
related?
And here
So here are the first results:
4.11.0-041100-generic #201705041534 - not affected
4.12.0-041200-generic #201707022031 - affected
4.13.0-041300-generic #201709031731 - affected
4.13.16-041316-generic #201711240901 - affected
Results for newer kernels are not so clear, they do not fail as fast as
p
Thanks for the update. I requested testing of the mainline kernel to
see if there is a commit in mainline that fixes the bug, which we could
backport back to 4.13.
If the bug is not fixed in mailine, we can perform a kernel bisect to
identify the commit that introduced this regression.
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Ok, nevermind the aufs issue, I got that resolved. Should have some
results with mainline kernels in a couple of days.
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Title:
Serve
@Joseph: I did test 4.15.2, but some things are failing, in particular
docker because of lacking AUFS support, so I need to build a kernel
myself I guess, which will take a bit.
Also note that I'm seeing this on Xenial machines, didn't test with
Artful. We used to run them with the 4.10 HWE kernel
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.15 kernel[0].
Thanks in advance.
[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15
** Package changed: linux-hwe (Ubuntu) => linux (Ubuntu)
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