The primary 6 commits are currently requiring 22 prerequisite commits
and still require addition patches. Some of those commits change core
networking and the sk_buff struct.
The following prereq commit required extensive backporting:
commit b1937227316417aa7568d01e6fa1f272e98fb890
Author: Eric
Hi Chris and Josh,
I just wanted to let you know I'm still working on the backports for
this bug and bug 1519897 . There are 22 other commits that are also
required as prerequisites and most need backporting, which it is taking
longer than expected to get a test kernel.
I should have a test
** Branch linked: lp:ubuntu/trusty-security/linux-lts-vivid
** Branch linked: lp:ubuntu/trusty-proposed/linux-lts-vivid
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Title:
Upstream
I'll work on building one for you.
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Title:
Upstream commits for NUMA node performance in Hyper-V
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Joe, can we please get a test kernel for Trusty (3.13 kernel) built?
I might have a lead that without these NUMA patches, we might be seeing the
performance regression issues from 1519897 (comment #33) . Still have to
confirm this from our end, but it's worth a try.
Thank you!
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This bug was fixed in the package linux - 3.19.0-49.55
---
linux (3.19.0-49.55) vivid; urgency=low
[ Brad Figg ]
* Release Tracking Bug
- LP: #1536775
[ Colin Ian King ]
* SAUCE: (no-up) ACPI / tables: Add acpi_force_32bit_fadt_addr option to
force 32 bit FADT
Hi Chris or Josh,
Can you verify the kernel in -proposed as requested in #9? That way the
fix can move into -updates.
Thanks in advance!
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We're looking at it.
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Title:
Upstream commits for NUMA node performance in Hyper-V
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I see that the proposed kernel is tagged as 3.19.0-49-generic #55
The kernel is running fine and has passed the core tests.
** Tags removed: verification-needed-vivid
** Tags added: verification-done-vivid
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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-
vivid' to 'verification-done-vivid'.
If verification is not done by 5 working days from
** Changed in: linux (Ubuntu Vivid)
Status: In Progress => Fix Committed
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Title:
Upstream commits for NUMA node performance in Hyper-V
Hi Joe,
I ran some core tests for the Vivid test kernel provided and the results are
looking good. I don't see any errors when using different NUMA topologies,
please include the commits for release.
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** Changed in: linux (Ubuntu)
Status: Triaged => In Progress
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Title:
Upstream commits for NUMA node performance in Hyper-V
To manage
I built a Vivid test kernel with the requested commits and needed prereqs. The
test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1494423/vivid
Can you test this kernel and confirm it resolves this bug?
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Yes, you are correct. The two commits needed by Wily will be pulled in
with bug 1519917. I'll mark Wily as invalid in this bug report. I'll
focus on Vivid and Trusty in this bug.
** Changed in: linux (Ubuntu Wily)
Status: In Progress => Invalid
** No longer affects: linux (Ubuntu Wily)
** No longer affects: linux (Ubuntu Precise)
** Changed in: linux (Ubuntu Trusty)
Assignee: (unassigned) => Joseph Salisbury (jsalisbury)
** Changed in: linux (Ubuntu Vivid)
Assignee: (unassigned) => Joseph Salisbury (jsalisbury)
** Changed in: linux (Ubuntu Wily)
Importance:
** Changed in: linux-lts-trusty (Ubuntu)
Status: New => In Progress
** Changed in: linux-lts-trusty (Ubuntu Precise)
Status: New => In Progress
** Changed in: linux-lts-trusty (Ubuntu)
Importance: Undecided => High
** Changed in: linux-lts-trusty (Ubuntu Precise)
Importance:
Wily only required the following two commits:
9f01ec5 Drivers: hv: vmbus: Improve the CPU affiliation for channels
3b71107 Drivers: hv: vmbus: Further improve CPU affiliation logic
The other commits for this bug are already in wily.
I built a wily test kernel, which can be downloaded from:
Joe, is this over and above Bug 1519917? That one may supercede this
one. We are performing full functional tests on 1519917 and it's eating
a lot of cycles, so to speak.
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** Also affects: linux-lts-trusty (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: linux-lts-trusty (Ubuntu Trusty)
** No longer affects: linux-lts-trusty (Ubuntu Vivid)
** No longer affects: linux-lts-trusty (Ubuntu Wily)
** Changed in: linux (Ubuntu Precise)
In searching for appropriate prerequisites, I have determined the
following are needed:
5/31 "hv_netvsc: Properly size the vrss queues"
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e01ec2199ef22e2cabd7d6e68a192f3eb728029f
5/13 "hv_netvsc: Use the xmit_more skb flag
No log files required, not a crash report, but rather a request to pick
up upstream corrections.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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** Also affects: linux (Ubuntu Vivid)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Precise)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Wily)
Importance: Undecided
Status: Confirmed
** Also affects: linux (Ubuntu Trusty)
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