** Tags added: sts
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https://bugs.launchpad.net/bugs/1655842
Title:
"Out of memory" errors after upgrade to 4.4.0-59
Status in linux package in Ubuntu:
In Progress
Additional note :
Applied in master-next on Jan 26th 2017[2]
[1] - "APPLIED: [Xenial PATCH 00/11] Fixes OOM for LP #1655842"
- Eric
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The patchset[1] for bug "LP #1655842" has been submitted on Jan 24th
2017 and acked by the kernel team on the same day[2].
The patch should be part of the following kernel release cycle :
cycle: 27-Jan through 18-Feb[3]
27-Jan Last day for kernel commits for this cycle
30-Jan - 04-Feb
Hi, I am having the exact same issues on a PC with 18GB ram!! kernel
4.4.0-59-generic
Please can this be fixed as soon as possible with a release of the next
kernel update.
Its killing processes such as firefox and virtualbox for no good reason
while only 4gb is in use really.
Hope this can be
Hi I'd like to implement Cascardo kernel since I've been having the same issue,
though not on all of
the xenial machines running 4.4.0-59-generic which is strange.
Could someone tell how to implement Cascardo kernel without completely messing
up my machine.
Thanks
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Cascardo: we've tried your test kernel, and it looks good - we've seen
no OOM problems.
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https://bugs.launchpad.net/bugs/1655842
Title:
"Out of memory" errors after
I've had a few armhf systems running cascardo's kernel and so far no
sign of the OOM or any other problem with it.
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https://bugs.launchpad.net/bugs/1655842
Title:
"Out of
** Changed in: linux (Ubuntu)
Status: Triaged => In Progress
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https://bugs.launchpad.net/bugs/1655842
Title:
"Out of memory" errors after upgrade to 4.4.0-59
Using Cascardo's kernel fixes the problem for me.
It was a bit of a hassle to install though because there's no linux-
headers-4.4.0-62_4.4.0-62.83_all.deb at the link and linux-headers-
generic depends on it.
Here's where to find it:
amd64:
Patched kernel for armhf available here:
http://people.canonical.com/~cascardo/lp1655842/linux-
image-4.4.0-62-generic_4.4.0-62.83_armhf.deb
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I will upload armhf binaries for those kernels and let you know. It's
important to try those because they include an alternative solution that
we would rather use instead of the one with the reverted patches.
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Just a note that Joe's armhf kernel has been working well for me.
I can't test cascardo's kernel as it's not built for armhf.
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https://bugs.launchpad.net/bugs/1655842
Can you try the kernel at [1], which includes the patches that are also
at [1]?
[1] http://people.canonical.com/~cascardo/lp1655842/
Thanks.
Cascardo.
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Thadeu Lima de Souza Cascardo (cascardo)
** Changed in: linux (Ubuntu Xenial)
I manage a set of build servers for CPU/IO intensive builds using
Yocto/OpenEmbedded. Ubuntu 14.04.5 with the 4.4 Xenial kernel. After
updating to 4.4.0-59 the builds started failing because of the OOM
killer.
Rolling back to 4.4.0-57 fixed the OOMs for me.
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Thanks jsalisbury. We have deployed using your test kernel (from
http://kernel.ubuntu.com/~jsalisbury/lp1655842/), and experienced no OOM
issues.
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@f-gruenbichler: I already tried to cherry-pick that patch a while ago
and it doesn't work because that patch is based on work that isn't in
the 4.4.* kernel branch, not even including Canonical's backports from
later branches.
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you could also try cherry-picking
https://git.kernel.org/cgit/linux/kernel/git/stable/linux-
stable.git/commit/?id=6b4e3181d7bd5ca5ab6f45929e4a5ffa7ab4ab7f , but
that will probably need some more inbetween patches as well..
reverting the two commits fixed the issue for our users (Proxmox VE,
I built a Xenial test kernel with the following two commits reverted:
c630ec12d831 mm, oom: rework oom detection
57e9ef475661 mm: throttle on IO only when there are too many dirty and
writeback pages
This test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1655842/
Can
** Changed in: linux (Ubuntu)
Importance: Undecided => High
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Xenial)
Status: New => Triaged
** Changed in: linux (Ubuntu Xenial)
Importance: Undecided => High
** Changed
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