FYI I'm still seeing this on Ubuntu 18.04 running on AWS:
# uname -a
Linux uni09.sys.timedoctor.com 4.15.0-1016-aws #16-Ubuntu SMP Wed Jul 18
09:20:54 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
When running:
lxc delete uni09-2018-08-02-08-01-46 --force
It very often ends up in ERROR state, with
This bug was fixed in the package linux - 4.15.0-23.25
---
linux (4.15.0-23.25) bionic; urgency=medium
* linux: 4.15.0-23.25 -proposed tracker (LP: #1772927)
* arm64 SDEI support needs trampoline code for KPTI (LP: #1768630)
- arm64: mmu: add the entry trampolines start/end
This bug was fixed in the package linux - 4.13.0-45.50
---
linux (4.13.0-45.50) artful; urgency=medium
* linux: 4.13.0-45.50 -proposed tracker (LP: #1774124)
* CVE-2018-3639 (x86)
- SAUCE: Set generic SSBD feature for Intel cpus
linux (4.13.0-44.49) artful; urgency=medium
This bug was fixed in the package linux - 4.15.0-23.25
---
linux (4.15.0-23.25) bionic; urgency=medium
* linux: 4.15.0-23.25 -proposed tracker (LP: #1772927)
* arm64 SDEI support needs trampoline code for KPTI (LP: #1768630)
- arm64: mmu: add the entry trampolines start/end
Kernel on -proposed resolves cases for both bionic and artful.
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https://bugs.launchpad.net/bugs/1746474
Title:
unregister_netdevice: waiting for eth0 to become free. Usage
** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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https://bugs.launchpad.net/bugs/1746474
Title:
unregister_netdevice: waiting for eth0
** Tags removed: verification-needed-artful
** Tags added: verification-fixed-artful
** Tags removed: verification-fixed-artful
** Tags added: verification-done-artful
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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
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-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag
** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1746474
Title:
unregister_netdevice: waiting for eth0 to
** Changed in: linux (Ubuntu Artful)
Status: In Progress => Fix Committed
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Title:
unregister_netdevice: waiting for eth0 to
V3 SRU request submitted:
https://lists.ubuntu.com/archives/kernel-team/2018-May/092153.html
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Title:
unregister_netdevice: waiting
This kernel is fine too.
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Title:
unregister_netdevice: waiting for eth0 to become free. Usage count = 5
Status in linux package in
I built a v3 Artful test kernel with an update to the patch requested in
the SRU feedback.
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1746474/artful
Can you also test this kernel and see if it resolves this bug?
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v2 SRU request for Artful:
https://lists.ubuntu.com/archives/kernel-team/2018-April/092024.html
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Title:
unregister_netdevice:
Latest Artful test kernel resolves the bug as well. Thanks!
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Title:
unregister_netdevice: waiting for eth0 to become free. Usage
I built one more Atrful test kernel with an update to the patch
requested in the SRU feedback.
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1746474/artful
Can you test this kernel and see if it resolves this bug?
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Bionic request:
https://lists.ubuntu.com/archives/kernel-team/2018-April/091864.html
Artful SRU request:
https://lists.ubuntu.com/archives/kernel-team/2018-April/091866.html
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** Description changed:
+ == SRU Justification ==
+ Commit 52df157f17e5 introduced a regression in v4.13-rc1. This regression
+ causes a stack trace to occur when tearing down an LXD container. The process
+ hangs with the following message:
+
+ "unregister_netdevice: waiting for eth0 to
for your records I've added the test script i use.
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Title:
unregister_netdevice: waiting for eth0 to become free. Usage count = 5
** Attachment added: "test script reproducing the bug on non-patched kernels."
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1746474/+attachment/5123211/+files/test.sh
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the problem also doesn't occur on the Artful test kernel.
Thanks!
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Title:
unregister_netdevice: waiting for eth0 to become free.
I also built an Artful test kernel with a back port of commit 510c321,
which required commit 9620fef27ed2 as a prereq.
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1746474/artful
Can you test this kernel and see if it resolves this bug?
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Hi,
I can confirm that the problem doesn't occur in the test kernel.
Thanks!
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Title:
unregister_netdevice: waiting for eth0 to
I built a Bionic test kernel with commit 510c321. The test kernel can be
downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1746474/bionic
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
** Package changed: linux-hwe (Ubuntu) => linux (Ubuntu)
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: New => In Progress
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Joseph Salisbury (jsalisbury)
** Also affects:
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