Paul,
The 5.3 kernel you are using is completely unsupported. Until a fix
patch is identified for 5.4 your only other choice for supported kernels
are to install linux-aws-edge. That package will keep you on a supported
kernel through the release of 22.04 (the next LTS). Note, however, that
Tim,
We are running Ubuntu 18.04 with the 5.3.0-1030-aws kernel because that
is the last Ubuntu provided AMI (ubuntu-
bionic-18.04-amd64-server-20200716) that does not contain this kernel
bug. I tried installing the latest supported Ubuntu 18.04 kernel again
yesterday (5.4.0-1055-aws) and
Hi Paul - I'm having trouble figuring out exactly which kernel you're
using. The backport of commit a308c71bf1e6e19cc2e4ced31853ee0fc7cb439a
("mm/gup: Remove enfornced COW mechanism") to Focal:linux-aws
5.4.0-1056.59 is not clean, and doesn't look correct. There are likely
prerequisite patches
Tim / Kleber,
Thanks for your response on this and I apologize, you are correct that
commit 7514c0362ffdd9af953ae94334018e7356b31313 was not the fix for our
issue. I had previously just tested the last handful of commits in
5.9.0-rc4 and didn't realize that
Paul - the commit you've referenced in #3 is a merge commit from the 5.9
kernel. None of the commits in that block appear to address a memory
leak. Can you tell me how you came to the conclusion that this commit
fixes your problem ?
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Kleber,
Sounds good, thank you!
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-aws in Ubuntu.
https://bugs.launchpad.net/bugs/1925261
Title:
memory leak on AWS kernels when using docker
Status in linux-aws package in Ubuntu:
Hi Paul,
Thank you for coming back to us. I will ask my colleagues that work with
the AWS kernels to look at this.
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https://bugs.launchpad.net/bugs/1925261
Title:
Kleber,
I finally had some time to narrow down what commit fixes this issue for
us today, below is the commit:
commit 7514c0362ffdd9af953ae94334018e7356b31313
Merge: 9322c47b21b9 428fc0aff4e5
Author: Linus Torvalds
Date: Sat Sep 5 13:28:40 2020 -0700
Merge branch 'akpm' (patches from
Kleber,
I am not sure exactly which commit fixes the issue we are experiencing.
I will put some time into bisecting the commits introduced in v5.9-rc4
and building/testing kernels with that code to see if I can narrow down
the exact commit that introduced the fix.
Thanks,
Paul
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Thank you Paul for the bug report.
Just as an additional information, the 5.3.0 series kernels are not
supported anymore. If you want to continue using Ubuntu 18.04 with the
additional security and bug fixes you will need to eventually upgrade to
a 5.4.0-based AWS kernel.
Are you able to point
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