[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Adam Conrad]

** Also affects: apt (Ubuntu Bionic)
   Importance: Critical
 Assignee: Julian Andres Klode (juliank)
   Status: Fix Released

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Simon Quigley]

\o/

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

Lubuntu Alternate 20180220 = works

Looks good! :)

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

I tried 20180219.1 but that must before the rebuild as it still had
1.6~alpha7ubuntu1.

I'll re-test again when the version changes.

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

Glad this fix is in the pipeline.  :)

Thank you.

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Simon Quigley]

I just manually triggered a rebuild for Lubuntu Alternate since this
landed, and after that, things should be good.

Thanks everyone!

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Launchpad Bug Tracker]

This bug was fixed in the package apt - 1.6~alpha7ubuntu2

---
apt (1.6~alpha7ubuntu2) bionic; urgency=medium

  [ David Kalnischkies ]
  * allow the apt/lists/auxfiles/ directory to be missing (Closes: 887624)

  [ Julian Andres Klode ]
  * indexcopy: Copy uncompressed indices from cdrom again (LP: #1746807)

 -- Julian Andres Klode   Mon, 19 Feb 2018 14:43:47
+0100

** Changed in: apt (Ubuntu)
   Status: Fix Committed => Fix Released

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Julian Andres Klode]

Fixed in 1.6~alpha7ubuntu2, just uploaded.

** Changed in: apt (Ubuntu)
   Status: In Progress => Fix Committed

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Francis Ginther]

** Tags added: id-5a8aa637d86af5a17d52e696

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Julian Andres Klode]

** Changed in: apt (Ubuntu)
 Assignee: (unassigned) => Julian Andres Klode (juliank)

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

Simon / Julian, thanks!  Sounds like the problem is sorted out?

Any idea when a fix will hit bionic daily?

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Julian Andres Klode]

getCompressorExtensions() ignores the empty extension, thus that change
broke support for uncompressed index ifles on cdrom.

** Changed in: apt (Ubuntu)
   Status: Confirmed => In Progress

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Simon Quigley]

I did a git bisect on the source and it identified this upstream commit
as being the potential culprit: https://salsa.debian.org/apt-
team/apt/commit/1adcf56bec7d2127d83aa423916639740fe8e586

I can confirm that this is the culprit by testing the output of `apt-
cdrom add` before and after reverting that specific commit from the tip
of master.

On further analysis, the following diff is the problematic one:
-  for (std::vector::const_iterator c = 
compressor.begin();
-  c != compressor.end(); ++c)
+  for (auto const : APT::Configuration::getCompressorExtensions())
  {
-if (stat((file + c->Extension).c_str(), ) != 0)
+if (stat((file + ext).c_str(), ) != 0)

Reverting that diff and that diff only fixes `apt-cdrom add`.

Julian, could you take a look at why this is problematic? I'm afraid I
don't have the expertise to proceed.

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Simon Quigley]

(to be more specific, here's a link to the exact line:
https://salsa.debian.org/apt-
team/apt/commit/1adcf56bec7d2127d83aa423916639740fe8e586#41c542e857179bd3fe055e92c64389379fb23e75_65_65
)

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  18.04 daily installer fails missing kernel

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

Lubuntu Alternate 20180217 = fails

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

Only one package needs to be downgraded for apt-cdrom to work again: 
libapt-pkg5.0 to version: libapt-pkg5.0_1.6~alpha5

http://changelogs.ubuntu.com/changelogs/pool/main/a/apt/apt_1.6~alpha7ubuntu1/changelog

Links used for testing:
http://launchpadlibrarian.net/353920547/libapt-pkg5.0_1.6~alpha7_amd64.deb
http://launchpadlibrarian.net/353116448/libapt-pkg5.0_1.6~alpha6_amd64.deb
http://launchpadlibrarian.net/345537288/libapt-pkg5.0_1.6~alpha5_amd64.deb

For each ... I manually "dpkg -i" and then ran "apt-cdrom add".

Results:
libapt-pkg5.0_1.6~alpha7ubuntu1 = fails <-- stock Bionic 20180216 
libapt-pkg5.0_1.6~alpha7ubuntu = fails
libapt-pkg5.0_1.6~alpha6 = fails
libapt-pkg5.0_1.6~alpha5 = works  <-- Bionic 20180131

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

TLDR: try rebuilding the iso downgrading the four packages
/pool/main/a/apt/*.deb to 1.6~alpha 5?

Note: I pasted the info backwards...it's 1.6~alpha 5 that's the good
version.

As a test...I tried manually downgrading apt*.deb on-the fly:

I created a virtual machine with a second (empty) cdrom drive.  Once I
got the missing kernel:

I switch to alternate terminal..
chroot /target

"apt-cdrom add" gives same error...

Mounted the GOOD 20180131 iso into the vm as the second cdrom.
mkdir /blah
mount /dev/sr1 /blah
cd /blah/pool/main/a/apt
dpkg -i *.deb
cd /
umount /blah

i.e. force load previous apt and apt-cdrom packages.

apt-cdrom

This no longer gives the error.

Just as a test...

cd /media/cdrom/pool/main/a/apt  <-- original bad cdrom
dpkg -i *.deb

i.e. force load bad apt/apt-cdrom packages from latest 20180216

apt-cdrom

This gives the stat no such file or directory error.


So...downgrading the four packages /pool/main/a/apt/*.deb should work around 
the issue?

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

When the install was in progress on the good/at the point of failure on
the bad I did:

control-f2 to activate another terminal
chroot /target
apt
apt-cdrom

good 20180130: apt 1.6~alpha 7 (amd64)
bad 20180216 : apt 1.6~alpha 5 (amd64)

So yes, the version of apt/apt-cdrom is different.

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

p.s. Simon, Steve, Julian thanks for your assistance.

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Julian Andres Klode]

Are the different bad, good apt versions?

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Steve Langasek]

On reflection, I think this is the output from 'apt-cdrom add'.  So
reassigning to apt.

** Package changed: base-installer (Ubuntu) => apt (Ubuntu)

** Changed in: apt (Ubuntu)
 Assignee: Simon Quigley (tsimonq2) => (unassigned)

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Simon Quigley]

Actually, it seems that it's not in the .list file:
http://cdimage.ubuntu.com/lubuntu/daily/pending/bionic-alternate-
amd64.list

Good question on why it wants this file...

I'll assign this to myself again and see if I can figure it out, but if
anyone on Foundations knows the answer, you're welcome to assign it to
yourself.

** Changed in: base-installer (Ubuntu)
 Assignee: (unassigned) => Simon Quigley (tsimonq2)

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Simon Quigley]

** Tags added: rls-bb-incoming

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Steve Langasek]

>From the logs:

 base-installer: This disc is called: 
 base-installer: 'Lubuntu 18.04 LTS _Bionic Beaver_ - Alpha amd64 (20180213)'
 base-installer: Copying package lists...
 base-installer: gpgv: Signature made Tue Feb 13 16:36:04 2018 UTC
 base-installer: 
 base-installer: gpgv:using RSA key 
 base-installer: 
 base-installer: gpgv: Good signature from "Ubuntu CD Image Automatic Signing Ke
y (2012) "
 base-installer: 
 base-installer: E
 base-installer: : 
 base-installer: Stat failed for 
/media/cdrom/dists/bionic/main/dist-upgrader/binary-all/Packages - stat (2: No 
such file or directory)
 base-installer: 
 base-installer: E
 base-installer: : 
 base-installer: No CD-ROM could be auto-detected or found using the default 
mount point.
 base-installer: 
 base-installer:
 base-installer: You may try the --cdrom option to set the CD-ROM mount point.

What is strange is that I *do* see a dists/bionic/main/dist-upgrader
/binary-all/Packages file in the current daily amd64 image (20180215).
I don't know why this file exists, given that this directory is not an
apt source.  I do not know why base-installer is trying to parse it,
given that it's not referenced in the Releases file for the CD.  I do
not know why the stat is reported to fail given that the file clearly
exists (and is empty).

Answering any one of these questions is likely to yield a solution for
this bug.

** Package changed: debian-installer (Ubuntu) => base-installer (Ubuntu)

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

Lubuntu Alternate 20180215 = fails

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

sysloggood.log = 20180131
syslogbad.log = 20180214

I stripped the date prefix from the two logs to simplify comparison. 
e.g. cat syslog | sed "s/Feb 14 ..:..:..//" > sysloggood.log

I noticed in a few places it has debconf entries for .. "load-cdrom,
load-iso" .. but in the bad logs the "load-cdrom" part is missing.

This may be relevant as the cdrom source is "missing" later in the
install:

e.g. GOOD:
 debconf: --> SUBST anna/choose_modules CHOICES-C choose-mirror, 
download-installer, fdisk-udeb, iso-scan, load-cdrom, load-iso, load-media, 
lowmem, mouse-modules-4.13.0-25-generic-di, 
multipath-modules-4.13.0-25-generic-di, network-console, oem-config-udeb, 
openssh-client-udeb, parted-udeb, reiserfsprogs-udeb, rescue-mode, 
vlan-modules-4.13.0-25-generic-di
 debconf: Adding [CHOICES-C] -> [choose-mirror, download-installer, fdisk-udeb, 
iso-scan, load-cdrom, load-iso, load-media, lowmem, 
mouse-modules-4.13.0-25-generic-di, multipath-modules-4.13.0-25-generic-di, 
network-console, oem-config-udeb, openssh-client-udeb, parted-udeb, 
reiserfsprogs-udeb, rescue-mode, vlan-modules-4.13.0-25-generic-di]

e.g. BAD:
 debconf: --> SUBST anna/choose_modules CHOICES-C choose-mirror, 
download-installer, fdisk-udeb, iso-scan, load-iso, load-media, lowmem, 
mouse-modules-4.13.0-32-generic-di, multipath-modules-4.13.0-32-generic-di, 
network-console, oem-config-udeb, openssh-client-udeb, parted-udeb, 
reiserfsprogs-udeb, rescue-mode, vlan-modules-4.13.0-32-generic-di
 debconf: Adding [CHOICES-C] -> [choose-mirror, download-installer, fdisk-udeb, 
iso-scan, load-iso, load-media, lowmem, mouse-modules-4.13.0-32-generic-di, 
multipath-modules-4.13.0-32-generic-di, network-console, oem-config-udeb, 
openssh-client-udeb, parted-udeb, reiserfsprogs-udeb, rescue-mode, 
vlan-modules-4.13.0-32-generic-di]

note: there is no "load-cdrom" option in the bad one...


---

Good:
 debconf-copydb: Adding [CHOICES-C] -> [choose-mirror, download-installer, 
fdisk-udeb, iso-scan, load-cdrom, load-iso, load-media, lowmem, 
mouse-modules-4.13.0-25-generic-di, multipath-modules-4.13.0-25-generic-di, 
network-console, oem-config-udeb, openssh-client-udeb, parted-udeb, 
reiserfsprogs-udeb, rescue-mode, vlan-modules-4.13.0-25-generic-di]
 debconf-copydb: Adding [CHOICES] -> [choose-mirror: Choose mirror to install 
from (menu item), download-installer: Download installer components, 
fdisk-udeb: Manually partition a hard drive (fdisk), iso-scan: Scan hard drives 
for an installer ISO image, load-cdrom: Load installer components from CD, 
load-iso: Load installer components from an installer ISO, load-media: Load 
installer components from removable media, lowmem: free memory for lowmem 
install, mouse-modules-4.13.0-25-generic-di: Mouse support, 
multipath-modules-4.13.0-25-generic-di: DM-Multipath support, network-console: 
Continue installation remotely using SSH, oem-config-udeb: Prepare for OEM 
configuration, openssh-client-udeb: secure shell client for the Debian 
installer, parted-udeb: Manually partition a hard drive (parted), 
reiserfsprogs-udeb: User-level tools for ReiserFS filesystems, rescue-mode: 
mount requested partition and start a rescue shell, 
vlan-modules-4.13.0-25-generic-di: vlan modules]

bad:
 debconf-copydb: Adding [CHOICES-C] -> [choose-mirror, download-installer, 
fdisk-udeb, iso-scan, load-iso, load-media, lowmem, 
mouse-modules-4.13.0-32-generic-di, multipath-modules-4.13.0-32-generic-di, 
network-console, oem-config-udeb, openssh-client-udeb, parted-udeb, 
reiserfsprogs-udeb, rescue-mode, vlan-modules-4.13.0-32-generic-di]
 debconf-copydb: Adding [CHOICES] -> [choose-mirror: Choose mirror to install 
from (menu item), download-installer: Download installer components, 
fdisk-udeb: Manually partition a hard drive (fdisk), iso-scan: Scan hard drives 
for an installer ISO image, load-iso: Load installer components from an 
installer ISO, load-media: Load installer components from removable media, 
lowmem: free memory for lowmem install, mouse-modules-4.13.0-32-generic-di: 
Mouse support, multipath-modules-4.13.0-32-generic-di: DM-Multipath support, 
network-console: Continue installation remotely using SSH, oem-config-udeb: 
Prepare for OEM configuration, openssh-client-udeb: secure shell client for the 
Debian installer, parted-udeb: Manually partition a hard drive (parted), 
reiserfsprogs-udeb: User-level tools for ReiserFS filesystems, rescue-mode: 
mount requested partition and start a rescue shell, 
vlan-modules-4.13.0-32-generic-di: vlan modules]

Where are these d-i/debconf values being set?




** Attachment added: "bad log with date prefix stripped"
   
https://bugs.launchpad.net/ubuntu/+source/debian-installer/+bug/1746807/+attachment/5055530/+files/syslogbad.log

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

sysloggood.log = 20180131
syslogbad.log = 20180214

I stripped the date prefix from the two logs to simplify comparison. 
e.g. cat syslog | sed "s/Feb 14 ..:..:..//" > sysloggood.log


** Attachment added: "good syslog from 2018-jan-31"
   
https://bugs.launchpad.net/ubuntu/+source/debian-installer/+bug/1746807/+attachment/5055529/+files/sysloggood.log

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Title:
  18.04 daily installer fails missing kernel

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

Lubuntu Alternate 20180214 = fails

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  18.04 daily installer fails missing kernel

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

Lubuntu Alternate 20180213 = fails

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  18.04 daily installer fails missing kernel

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

Lubuntu Alternate 20180212 = fails

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  18.04 daily installer fails missing kernel

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Simon Quigley]

I'm not sure I can figure this one out... passing to Foundations, they
know d-i better than I do.

** Changed in: debian-installer (Ubuntu)
 Assignee: Simon Quigley (tsimonq2) => (unassigned)

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  18.04 daily installer fails missing kernel

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

Lubuntu Alternate 20180211 = fails

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  18.04 daily installer fails missing kernel

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

Lubuntu Alternate 20180210 = fails

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  18.04 daily installer fails missing kernel

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Simon Quigley]

** Changed in: debian-installer (Ubuntu)
Milestone: None => ubuntu-18.02

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  18.04 daily installer fails missing kernel

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Simon Quigley]

** Changed in: debian-installer (Ubuntu)
 Assignee: (unassigned) => Simon Quigley (tsimonq2)

** Changed in: debian-installer (Ubuntu)
   Importance: Undecided => Critical

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

Lubuntu Alternate 20180209 = fails

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  18.04 daily installer fails missing kernel

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

Lubuntu Alternate 20180208 = fails

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  18.04 daily installer fails missing kernel

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

Lubuntu Alternate 20180206 = fails

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  18.04 daily installer fails missing kernel

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

Lubuntu Alternate 20180205 = fails

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

Lubuntu Alternate 20180204 = fails

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

p.s. Adam, thank you for your feedback.

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  18.04 daily installer fails missing kernel

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

Attached is the log.

I think this may be a clue:

Stat failed for 
/media/cdrom/dists/bionic/main/dist-upgrader/binary-all/Packages - stat (2: No 
such file or directory)
Feb  4 13:39:32 base-installer: 
Feb  4 13:39:32 base-installer: E
Feb  4 13:39:32 base-installer: : 
Feb  4 13:39:32 base-installer: No CD-ROM could be auto-detected or found using 
the default mount point.
Feb  4 13:39:32 base-installer: 
Feb  4 13:39:32 base-installer:
Feb  4 13:39:32 base-installer: You may try the --cdrom option to set the 
CD-ROM mount point.

There is a "cdrom" (well a virtual one under VirtualBox).

In another terminal...I looked and there is no /media/cdrom directory

However there is a /media/dists/bionic/main/dist-upgrader/binary-all/Packages
note: the above path is /media/dists/... and not /media/cdrom/dists...

Is the changed mount point breaking it finding the packages?


** Attachment added: "syslog"
   
https://bugs.launchpad.net/ubuntu/+source/debian-installer/+bug/1746807/+attachment/5048818/+files/syslog.txt

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

Lubuntu Alternate 20180203.1 = fails

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jacob Kim]

Lubuntu Alternate 20180203 = fails

Confirmed.

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: debian-installer (Ubuntu)
   Status: New => Confirmed

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

Lubuntu Alternate 20180202 = fails
Lubuntu Alternate 20180203 = fails

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Jb]

18.04 daily:
Lubuntu Alternate 20180130 = works
Ubuntu Server 20180201.2 [iso date: 2018-02-01 06:41] = works 
Ubuntu Desktop 20180201 [iso date: 2018-02-01 07:53] = works 
Lubuntu Alternate 20180201 [iso date: 2018-02-01 16:32] = fails <--

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  18.04 daily installer fails missing kernel

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[Bug 1746807] Re: 18.04 daily installer fails missing kernel

[Ubuntu QA Website]

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/1746807

** Tags added: iso-testing

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