Comment 36 for bug 1729145

Tested the xenial update. I had one boot where the links didn't get
created, but I cannot recreate that issue now.

On Thu, Dec 7, 2017 at 9:56 AM, Ryan Harper <email address hidden>
wrote:

> Here's the Zesty test; all looks good.
>
> ubuntu@ubuntu:~$ cat /etc/cloud/build.info
> build_name: server
> serial: 20171207
> ubuntu@ubuntu:~$ uname -a
> Linux ubuntu 4.10.0-40-generic #44~lp1729145 SMP Wed Dec 6 16:21:45 UTC
> 2017 x86_64 x86_64 x86_64 GNU/Linux
> ubuntu@ubuntu:~$ tree /dev/bcache
> /dev/bcache [error opening dir]
>
> 0 directories, 0 files
>
> $ sudo dpkg --install linux-image-4.10.0-40-generic_
> 4.10.0-40.44~lp1729145_amd64.deb
> dpkg: warning: downgrading linux-image-4.10.0-40-generic from 4.10.0-40.44
> to 4.10.0-40.44~lp1729145
> (Reading database ... 56846 files and directories currently installed.)
> Preparing to unpack linux-image-4.10.0-40-generic_
> 4.10.0-40.44~lp1729145_amd64.deb ...
> Done.
> Unpacking linux-image-4.10.0-40-generic (4.10.0-40.44~lp1729145) over
> (4.10.0-40.44) ...
> Examining /etc/kernel/postrm.d .
> run-parts: executing /etc/kernel/postrm.d/initramfs-tools
> 4.10.0-40-generic /boot/vmlinuz-4.10.0-40-generic
> run-parts: executing /etc/kernel/postrm.d/x-grub-legacy-ec2
> 4.10.0-40-generic /boot/vmlinuz-4.10.0-40-generic
> run-parts: executing /etc/kernel/postrm.d/zz-update-grub
> 4.10.0-40-generic /boot/vmlinuz-4.10.0-40-generic
> Setting up linux-image-4.10.0-40-generic (4.10.0-40.44~lp1729145) ...
> Running depmod.
> update-initramfs: deferring update (hook will be called later)
> Not updating initrd symbolic links since we are being updated/reinstalled
> (4.10.0-40.44 was configured last, according to dpkg)
> Not updating image symbolic links since we are being updated/reinstalled
> (4.10.0-40.44 was configured last, according to dpkg)
> Examining /etc/kernel/postinst.d.
> run-parts: executing /etc/kernel/postinst.d/apt-auto-removal
> 4.10.0-40-generic /boot/vmlinuz-4.10.0-40-generic
> run-parts: executing /etc/kernel/postinst.d/initramfs-tools
> 4.10.0-40-generic /boot/vmlinuz-4.10.0-40-generic
> update-initramfs: Generating /boot/initrd.img-4.10.0-40-generic
> W: mdadm: /etc/mdadm/mdadm.conf defines no arrays.
> run-parts: executing /etc/kernel/postinst.d/unattended-upgrades
> 4.10.0-40-generic /boot/vmlinuz-4.10.0-40-generic
> run-parts: executing /etc/kernel/postinst.d/update-notifier
> 4.10.0-40-generic /boot/vmlinuz-4.10.0-40-generic
> run-parts: executing /etc/kernel/postinst.d/x-grub-legacy-ec2
> 4.10.0-40-generic /boot/vmlinuz-4.10.0-40-generic
> Searching for GRUB installation directory ... found: /boot/grub
> Searching for default file ... found: /boot/grub/default
> Testing for an existing GRUB menu.lst file ... found: /boot/grub/menu.lst
> Searching for splash image ... none found, skipping ...
> Found kernel: /boot/vmlinuz-4.10.0-40-generic
> Found kernel: /boot/vmlinuz-4.10.0-40-generic
> Updating /boot/grub/menu.lst ... done
>
> run-parts: executing /etc/kernel/postinst.d/zz-update-grub
> 4.10.0-40-generic /boot/vmlinuz-4.10.0-40-generic
> Generating grub configuration file ...
> Found linux image: /boot/vmlinuz-4.10.0-40-generic
> Found initrd image: /boot/initrd.img-4.10.0-40-generic
> done
> ubuntu@ubuntu:~$ sudo reboot
> ...
>
> ubuntu@ubuntu:~$ dpkg --list | grep linux-image
> ii linux-image-4.10.0-40-generic 4.10.0-40.44~lp1729145
> amd64 Linux kernel image for version 4.10.0 on 64
> bit x86 SMP
> ii linux-image-virtual 4.10.0.40.40
> amd64 Virtual Linux kernel image
> ubuntu@ubuntu:~$ sudo tree /dev/bcache
> /dev/bcache
> ├── by-label
> │ ├── backing0 -> ../../bcache2
> │ └── backing1 -> ../../bcache0
> └── by-uuid
> ├── 1375d23f-4780-46d7-9fca-c397f8333685 -> ../../bcache3
> ├── 57e009b1-6bf4-42ea-abe0-334b10941a0b -> ../../bcache0
> ├── 7ce7dc32-7da9-42a8-899a-5d21ed7ea714 -> ../../bcache1
> └── 92d882d8-38cd-4537-847b-6f9c40ba67b4 -> ../../bcache2
>
> 2 directories, 6 files
>
>
> On Wed, Dec 6, 2017 at 11:00 AM, Joseph Salisbury <
> <email address hidden>> wrote:
>
>> I built Xenial, Zesty and Bionic test kernels with your patch. They can
>> also be downloaded from:
>>
>> http://kernel.ubuntu.com/~jsalisbury/lp1729145/
>>
>> Can those that can reproduce this bug give this test kernel a try?
>>
>>
>> Zesty required upstream commit 4b758df21 as a prereq. Zesty never got
>> it, since upstream 4.10 is EOL. Zesty would be the more important test
>> kernel to try due to this difference.
>>
>> Thanks again.
>>
>> --
>> You received this bug notification because you are subscribed to the bug
>> report.
>> https://bugs.launchpad.net/bugs/1729145
>>
>> Title:
>> /dev/bcache/by-uuid links not created after reboot
>>
>> To manage notifications about this bug go to:
>> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1729145
>> /+subscriptions
>>
>
>