On Wed, Aug 29, 2018 at 12:01 PM Joseph Salisbury
wrote:
>
> Thanks for digging up this additional information. I'll investigate
> further. While I do that, the v4.19-rc1 kernel is now out. It might be
> worthwhile to give that one a go, and see if the fix was already
> committed to mainline:
>
Public bug reported:
1) lsb_release -rd
Description:Ubuntu 18.04.1 LTS
Release:18.04
2) $ apt-cache policy bluez
bluez:
Installed: 5.48-0ubuntu3.1
Candidate: 5.48-0ubuntu3.1
Version table:
*** 5.48-0ubuntu3.1 500
500 http://us.archive.ubuntu.com/ubuntu bionic-updates/ma
Public bug reported:
Discovered on bionic, arm64 (Moonshot, verified on multiple swirlix
cartridges), 4.15.0-22-generic.
After deploying the nova-compute Juju charm, on subsequent reboots,
within a few seconds after complete boot, everything will freeze and
eventually display on the serial consol
Public bug reported:
Verified on multiple DL360 Gen9 servers with up to date firmware. Just
before reboot or shutdown, there is the following panic:
[ 289.093083] {1}[Hardware Error]: Hardware error from APEI Generic Hardware
Error Source: 1
[ 289.093085] {1}[Hardware Error]: event severity:
I can confirm I no longer have issues.
This with the /lib/udev/rules.d/99-laptop-mode.rules changed back to
ACTION=="add", SUBSYSTEM=="usb", RUN+="lmt-udev auto"
This is on 18.04
laptop-mode-tools 1.71-2
kernel 4.15.0-20
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Correction, it works with the force argument.
ACTION=="add", SUBSYSTEM=="usb", RUN+="lmt-udev force"
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Title:
System fails to start
ay 21 10:57:05 geodude kernel: [ 49.126408] bcache: register_bcache()
error /dev/sda3: device already registered (emitting change event)
These are not curtin or kernel errors but expected output.
I looked at the qa link but I didn't find the install.log debug output.
** Changed in: curtin
May 21 11:00:42 geodude cloud-init[1643]: curtin: Installation finished.
>From the rsyslog, curtin finished the install without error.
** Changed in: curtin
Status: Incomplete => Invalid
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Thanks for the log. Curtin installed without error, I'll mark invalid.
AFAICT, it booted fine and was instructed to power off.
May 21 13:18:51 geodude cloud-init[1676]: Powering node off.
May 21 13:18:51 geodude ec2:
May 21 13:18:51 geodude ec2:
##
On Mon, May 21, 2018 at 3:59 PM, Andres Rodriguez
wrote:
> @Ryan,
>
> I'm marking this as incomplete for curtin provided that after further
> debugging, I can see that the late command that's supposed to send the
> "netboot_off" operation is not being sent.
>
I tracked it down to https://patchwork.kernel.org/patch/10027157/ just
before 4.15-rc1. This appears to affect all DL360/DL380 Gen9 I've
encountered so far. Opened
https://bugzilla.kernel.org/show_bug.cgi?id=199779 and currently working
with Sinan Kaya to disagnose.
** Tags added: kernel-bug-exi
A patch has been submitted to linux-pci, and I've confirmed this fix
works: https://lkml.org/lkml/2018/5/22/817
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Title:
Reboot/shutd
*** This bug is a duplicate of bug 1768893 ***
https://bugs.launchpad.net/bugs/1768893
The bcache message is *NOT* a failure in the kernel;
That message is emitted when a bcache device is reregistered, the
kernel will emit the changed event to ensure
that udev will create /dev/bcache/by-{uuid
If they're going to modprobe and are waiting on udev, then I would like
them to do something like
udevadm settle --exit-if-exists=/dev/zfs
That means they can exit early without paying the 10s by default value.
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On Mon, Apr 30, 2018 at 12:14 PM, Colin Ian King
<1760...@bugs.launchpad.net> wrote:
> The code actually polls /dev/zfs until it appears. The issue here is
> that it does not appear after 10 seconds, and then it gives up.
Yes, you're right.
Would it make sense to have zfsutils know it's running i
Public bug reported:
% apt-cache policy libnvpair1linux
libnvpair1linux:
Installed: 0.7.5-1ubuntu15
Candidate: 0.7.5-1ubuntu15
Version table:
*** 0.7.5-1ubuntu15 500
500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages
100 /var/lib/dpkg/status
% lsb_release -rd
D
Yes; this was a an upgraded system.
On Thu, May 3, 2018 at 5:28 PM, Colin Ian King
<1768...@bugs.launchpad.net> wrote:
> This seems to only occur with a Xenial -> Artful or Xenial -> Bionic
> upgrades and not Artful -> Bionic.
>
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Public bug reported:
$ cat /proc/version_signature
Ubuntu 4.15.0-29.31-generic 4.15.18
$ lsb_release -rd
Description:Ubuntu Cosmic Cuttlefish (development branch)
Release:18.10
$ apt-cache policy linux-image-`uname -r`
linux-image-4.15.0-29-generic:
Installed: 4.15.0-29.31
Candi
> Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
We've had plenty of successful runs on this kernel. I suspect io load
or something else may trigger this. We've only seen it once out of tens
of not hundr
We've just had a second occurrence of this, same kernel, but with
Xenial. (Xenial HWE Edge kernel 4.15.0-29) with the same scenario,
mkfs.ext4 a /dev/bcache0.
I'll see if I can recreate by stressing things.
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** Attachment added: "bcache-basic-repro.sh"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1784665/+attachment/5170528/+files/bcache-basic-repro.sh
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I'll see if I can reproduce on the mainline kernel.
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Title:
mkfs.ext4 over /dev/bcache0 hangs
Status in linux package in Ubuntu:
I think I've got one. It doesn't always hang the mkfs, but it does
wedge bcache in a few ways.
[ 484.322546] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[ 484.326230] INFO: task bcache_allocato:32503 blocked for more than 120
seconds.
1) when it occurs, a backi
I can recreate on upstream:
# uname -r; dmesg | tail -n 16
4.18.0-041800rc7-generic
[ 967.657492] INFO: task bcache_allocato:14240 blocked for more than 120
seconds.
[ 967.664138] Not tainted 4.18.0-041800rc7-generic #201807292230
[ 967.669641] "echo 0 > /proc/sys/kernel/hung_task_timeou
4.10:
Status: OK
Comment: Survived 30 minute loop over recreating with no issues.
4.13:
Status: OK
Comment: Survived 30 minute loop over recreating with no issues.
4.15:
Status: FAIL
Comment: triggered within less than a minute of the loop.
Kernel Trace:
[ 122.500943] Oops: [
4.14 Final: OK
4.15-rc1:OK
I started a further bisect:
4.15-rc9:FAIL
4.15-rc5:OK
4.15-rc7:FAIL
4.15-rc6:OK
So, it appears something between rc6 (last known good) and rc7 (FAIL)
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test kernel 4.15-rc6 up to d8887f1c7289848e74c92bd4322789a9cd7de699
FAILED
** Attachment added: "kernel oops for
4.15-rc6-up-to-d8887f1c7289848e74c92bd4322789a9cd7de699"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1784665/+attachment/5175379/+files/rc6-bisect1-oops.txt
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test kernel 4.15-rc6 up to d8887f1c7289848e74c92bd4322789a9cd7de699
FAILED
Attaching oops.
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Title:
mkfs.ext4 over /dev/bcache0 hang
Public bug reported:
We have updated our 14.04 aws ec2 instances from 3.13.0-153.204 to
3.13.0-155.205, and upon reboot the all kernel panic. full log
attached.
[0.064081] FEATURE SPEC_CTRL Not Present
[0.068730] mce: CPU supports 2 MCE banks
[0.072027] Last level iTLB entries: 4KB 5
I am unable to run 'apport-collect' due to the kernel panic.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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apport information
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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** Tags added: apport-collected bionic
** Description changed:
I have a Dell 5290 2-in-1 tablet that has been running Ubuntu 18.04
successfully for several months. Today I upgraded the kernel from
4.15.0-43 to 4.15.0-44. The tablet functions normally until it is
plugg
apport information
** Attachment added: "ProcCpuinfo.txt"
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Do we know the full extent of this bug? I reverted to kernel
4.15.0-43, which resolved the issue on my tablet. But I noticed my
desktop having some trouble this morning (weird file copy errors,
reporting my printer was not accepting jobs and some unusual wifi cut-
offs). I'll switch back to 4.
I believe it's supposed to say Fix Committed, not Fix Released. The
change was a mistake -- see down in the thread.
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Title:
Externa
This is still around. Scott wrote up a script to handle cleaning this
up.
https://gist.github.com/smoser/2c78cf54a1e22b6f05270bd3fead8a5c
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This still fails on s390x. I've an LPAR with 18.04 and kernel
4.15.0-39-generic.
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Title:
bcache doesn't register/recognize devices
Can you attach the guest xml and host kernel/qemu/libvirt packages?
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Title:
Composing a VM in MAAS with exactly 2048 MB RAM causes t
And /var/log/libvirt/qemu/.log ?
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Title:
Composing a VM in MAAS with exactly 2048 MB RAM causes the VM to
kernel panic
Status in
I'm unable to recreate with a daily bionic cloud-image on a bionic host
with the same versions.
% sudo apt install uvtool libvirt
% uvt-simplestreams-libvirt -vv sync --source
http://cloud-images.ubuntu.com/daily 'supported=True' arch=amd64 release=bionic
% uvt-kvm create --memory 2048 --cpu 1 --
The backing image:
/var/lib/libvirt/maas-images/e5d185a9-8ccb-4ca6-959a-bd8eff0ee184
What boot image is that? Can I get a copy of that from maas-images? or
how is it created?
On the node with the vm that fails, can you:
virsh start --console
Assuming it's a normal ubuntu image which has norm
[0.943808] Unpacking initramfs...
[ 20.690329] Initramfs unpacking failed: junk in compressed archive
[ 20.703673] Freeing initrd memory: 56612K
Looks like the initrd was compromised, possibly a networking hiccup?
Can you confirm the checksums on the source and attempt to download the
URL
Does this fail with other releases? like trusty? I was wondering if
initrd size plays a factor here:
precise/hwe-t: 25M
trusty/hwe-x: 35M
xenial/ga: 39M
xenial/hwe:53M
xenial/edge: 53M
bionic/ga: 55M
cosmic/ga: 57M
That might be faster for you to test than for us to replicate
The virtio configuration in this new kernel build changed, can it get
reverted to what the -kvm kernel currently has?
% grep VIRTIO /boot/config-*kvm
CONFIG_BLK_MQ_VIRTIO=y
CONFIG_HW_RANDOM_VIRTIO=y
CONFIG_NET_9P_VIRTIO=y
# CONFIG_RPMSG_VIRTIO is not set
CONFIG_SCSI_VIRTIO=y
CONFIG_VIRTIO=y
CONFIG
Could you re-apply the KEXEC config changes to the linux-kvm tree build?
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Title:
linux-kvm: please support kexec
Status in linu
4.20-rc3 also fails.
Successful runs: 95
root@ubuntu:~# [ 484.565298] INFO: task kworker/3:206:2091 blocked for more
than 120 seconds.
[ 484.566976] Not tainted 4.20.0-042000rc3-generic #201811182231
[ 484.568069] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
The 4.15.0-39 kernel FAILs:
+ make-bcache -C /dev/sdb
Can't open dev /dev/sdb: Device or resource busy
+ exit 1
Successful runs: 24
root@ubuntu:~# [ 242.655013] INFO: task kworker/3:103:2610 blocked for more
than 120 seconds.
[ 242.665486] Not tainted 4.15.0-39-generic #43~lp1784665
[ 24
It took a while, but v4.15-rc6 fails; so we need to move back a bit.
[ 2541.139904] bcache: bcache_device_free() bcache0 stopped
[ 2541.141848] BUG: unable to handle kernel NULL pointer dereference
at 0d38
[ 2541.143813] IP: search_free+0ex01-b6435-e1/5f0x40 [bcache]
[ 2541.145676] PG
I also tested v4.15-rc5, which failed with the same stack trace. Then I
returned to 4.14 mainline, and got this one:
[ 953.659489] BUG: unable to handle kernel NULL pointer dereference at
0d40
[ 953.668707] IP: searc
v4.13 shows the same search_free stack as 4.14, but doesn't appear to be
fatal (it doesn't result in a hung process nor a block device that
cannot be wiped.
I suspect we've got a new upstream issue since 4.20 didn't fix things.
Re-running 4.20 to see if we had a stack trace, we don't NULL pointer
Can you collect the following:
Backing device baseline (it's possible the underlying disks regressed
instead of the bcache layer). the same fio randrw test against the
underlying backing device with bcache disabled
And with bcache enabled on both setups before and after tuning:
1) grep -r . /sys
I confirmed that the underlying block devices (SAS, NVME) perform the same
on the 4.4 and 4.15 kernels. Roughly 170 IOP/s direct to the SAS device
and 570 IOP/s direct to the bcache infront of the SAS device. The block
scheduler has no effect, due to the use of O_DIRECT.
One other oddity in the xml is the cgroup construction in the "bad"
case.
/machine
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** Also affects: zfs-linux (Ubuntu)
Importance: Undecided
Status: New
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Title:
zpool create -f lxd /dev/vdb fails on co
Hi Colin - We believe we've provided that in comment #3 above. It is a
fresh Cosmic instance, followed by reproducer commands. Please let us
know if this does not allow you to reproduce. Thank you.
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https://github.com/lxc/lxd/issues/4656
** Bug watch added: LXD bug tracker #4656
https://github.com/lxc/lxd/issues/4656
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Title:
Public bug reported:
This appears to be the same bug that was present, two kernels ago:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1813795
I switched to the 46 kernel from the 45 today, and noticed my tablet
hangs when its plugged into the docking station. Without the docking
station
apport information
** Tags added: apport-collected bionic
** Description changed:
This appears to be the same bug that was present, two kernels ago:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1813795
I switched to the 46 kernel from the 45 today, and noticed my tablet
han
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** Description changed:
This appears to be the same bug that was present, two kernels ago:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/18
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** Description changed:
This appears to be the same bug that was present, two kernels ago:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1813795
I switched to the 46 kernel from the 45 today, and noticed my tablet
hangs when its plugged into the docking station. Without the d
@Thiago,
Can you attach your guest XML that's working successfully with 2048MB?
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https://bugs.launchpad.net/bugs/1797581
Title:
Composing a VM in MAAS with exactly 2048 MB
On Mon, Jan 14, 2019 at 1:55 PM Thiago Martins
wrote:
> @Ryan,
>
> The working XML file is attached here, with 2048 MB of RAM.
>
> NOTE: This XML was created using Virt-Manager, then, MaaS took it over
> after being "refreshed".
>
Thanks!
If you drop the secti
The kernel in #38 does fix this for Zerotier TAP interfaces as well.
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https://bugs.launchpad.net/bugs/1679823
Title:
bond0: Invalid MTU 9000 requested, hw max 1500 with ker
Public bug reported:
1) Groovy
2)
root@ubuntu:/home/ubuntu# apt-cache policy linux-image-generic
linux-image-generic:
Installed: 5.8.0.18.22
Candidate: 5.8.0.18.22
Version table:
*** 5.8.0.18.22 500
500 http://archive.ubuntu.com/ubuntu groovy/main amd64 Packages
100 /var/lib
** Summary changed:
- fallocate swapfile has holes on 5.8 ext4 over bcache
+ fallocate swapfile has holes on 5.8 ext4
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Title:
fallo
Turns out it's unrelated to bcache; it is trivially reproducible:
lxc launch ubuntu-daily:groovy g1 --vm
lxc exec g1 bash
fallocate -l 1024M /swap.img
mkswap /swap.img
swapon --verbose /swap.img
cat /proc/swaps
On the 5.4 kernel that groovy had a few weeks back this works, on daily
(5.8) this fa
Sending to the kernel team but not sure it belongs with them.
** Package changed: ubuntu => linux (Ubuntu)
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Title:
Ubuntu 18.04.5 r
I am unable to collect logs because the system fails to boot.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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T
I *may* be jumping the gun here, but having just installed
5.4.0-1019-raspi this morning, things appear to be good!
Did an upgrade ~ 30 minutes ago (usually i find the issue is triggered
after around 10 minutes or so).
Will update if/when it crashes.
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Cancel that. As expected, issue still present.
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Title:
Raspberry Pi 3 network dies shortly after a burst of IPv6 tunnel
net
On Tue, Jun 30, 2020 at 6:35 AM Balint Reczey <1861...@bugs.launchpad.net>
wrote:
> @raharper I've forwarded the systemd fix for you with minimal tidying of
> the commit message https://github.com/systemd/systemd/pull/16317
Thanks!
>
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@ddstreet
I'm not sure where upstream is going just yet. For Ubuntu; I think
1) Adjusting the bcache-tools patch to use the full path to bcache-
super-show should change;
2) If we fix (1) then I think we can drop the systemd patch from a bug
fixing perspective; on the openSUSE image I did testi
Works on focal, thank you
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https://bugs.launchpad.net/bugs/1867916
Title:
Regression in kernel 4.15.0-91 causes kernel panic with Bcache
Status in Linux:
Confirmed
Statu
With the regression fix tested, I've gone ahead and fixed the core
problem on my system, switching the backing device to 4k. Documented
below and worked for me, but PLEASE don't take it at face value, since
part of it is literally destroying the bcache header area of the backing
disk.
# WARNING!
Thinkpad T460 with Intel(R) Core(TM) i7-6600U CPU @ 2.60GHz
Recently went Ubuntu 16.04 -> 18.04.
Using intel_pstate in default configuration.
HWE low latency kernel:
Linux machine 5.3.0-62-lowlatency #56~18.04.1-Ubuntu SMP PREEMPT Wed Jun
24 16:57:19 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
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