Hi Chris,
I removed Vivid from the bug.
** No longer affects: linux (Ubuntu Vivid)
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Title:
Kdump through NMI SMP and single core not working
Can we get Vivid out of the list please?
I see that it is now EOL.
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Title:
Kdump through NMI SMP and single core not working on Ubuntu16.10
To
This bug was fixed in the package linux - 4.10.0-8.10
---
linux (4.10.0-8.10) zesty; urgency=low
[ Tim Gardner ]
* Release Tracking Bug
- LP: #1664217
* [Hyper-V] Bug fixes for storvsc (tagged queuing, error conditions)
(LP: #1663687)
- scsi: storvsc: Enable
This bug was fixed in the package linux - 4.8.0-38.41
---
linux (4.8.0-38.41) yakkety; urgency=low
[ Thadeu Lima de Souza Cascardo ]
* Release Tracking Bug
- LP: #1661232
* Backport Dirty COW patch to prevent wineserver freeze (LP: #1658270)
- SAUCE: mm: Respect
This bug was fixed in the package linux - 4.4.0-63.84
---
linux (4.4.0-63.84) xenial; urgency=low
[ Thadeu Lima de Souza Cascardo ]
* Release Tracking Bug
- LP: #1660704
* Backport Dirty COW patch to prevent wineserver freeze (LP: #1658270)
- SAUCE: mm: Respect
Verified the following proposed kernels and confirm this as fixed in:
On Gen1VM: 16.04.1 with 4.4.0-63.67
On both Gen1 and Gen2VM: 16.10 with 4.8.0-38.49
Thank you!
** Tags removed: verification-needed-xenial verification-needed-yakkety
** Tags added: verification-done-xenial
We will verify this fix is in.
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Title:
Kdump through NMI SMP and single core not working on Ubuntu16.10
To manage notifications about this bug
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-
yakkety' to 'verification-done-yakkety'. If the problem still exists,
change the tag
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-
xenial' to 'verification-done-xenial'. If the problem still exists,
change the tag
** Changed in: linux (Ubuntu Yakkety)
Status: In Progress => Fix Committed
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Title:
Kdump through NMI SMP and single core not working on
** Changed in: linux (Ubuntu Xenial)
Status: In Progress => Fix Committed
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Title:
Kdump through NMI SMP and single core not working on
Hi Joe,
The test kernels with the commits are looking fine, I was able to successfully
trigger and complete a kdump over NMI.
Tested Xenial and Yakkety on WS2016 and WS2012R2.
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I built test kernels with these two commits. The test kernels can be
downloaded from:
Xenial: http://kernel.ubuntu.com/~jsalisbury/lp1630924/xenial/
Yakkey: http://kernel.ubuntu.com/~jsalisbury/lp1630924/yakkety
Zesty: http://kernel.ubuntu.com/~jsalisbury/lp1630924/zesty
The Vivid test kernel
** No longer affects: linux (Ubuntu Vivid)
** Also affects: linux (Ubuntu Zesty)
Importance: Medium
Status: Confirmed
** Also affects: linux (Ubuntu Vivid)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Vivid)
Status: New => In Progress
** Changed in:
Haven't checked mainline, but it is in upstream. Please find it here -
http://git.kernel.org/cgit/linux/kernel/git/next/linux-
next.git/commit/?id=56ef6718a
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I see commit 59107e2f4 in mainline:
59107e2f4883 x86/hyperv: Handle unknown NMIs on one CPU when unknown_nmi_panic
However, I don't see 56ef6718a as of yet. Do you have a patch
available?
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: linux
Please build a test kernel with these 2 commits:
59107e2f48831daedc46973ce4988605ab066de3
56ef6718a1d8d77745033c5291e025ce18504159
Thank you!
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Do we happen to know what commits(Other than 69973b8308) are in 4.9 and
newer that are also needed in 4.8?
Do you want me to build a Yakkety test kernel with commit 69973b8308?
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I did re-verify this now with the 4.9 mainline and kdump through NMI works fine.
There might have been additional patches and there is at least one other commit
in upstream, however that one is addressing only x86 arch.
Full version info: v4.9 mainline build
v4.9
Hi Joe,
I did verify this again with the below kernels and results:
- 4.8.0-22 16.10 kernel - kdump through NMI on 4 CPU cores doesn't work - VM
gets stuck and there is no crash file nor a reboot.
- 4.9.0-040900RC8 kernel from ubuntu mainline - kdump through NMI works fine
when using single
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.9 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Tags added: kernel-da-key kernel-hyper-v
** Also affects: linux (Ubuntu Yakkety)
Importance: Medium
Status: Confirmed
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
Kdump through NMI SMP and single core not working on Ubuntu16.10
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