[Bug 1748983] Re: Generate per-machine MOK for dkms signing

2019-03-11 Thread Lurchman
This seems to be causing a regression with the bcmwl driver, see
https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1818134 for further
details.

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Title:
  Generate per-machine MOK for dkms signing

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[Bug 1818134] Re: modprobe: ERROR: could not insert 'wl': Package not installed ubuntu14.04.5LTS kernel 3.13.0-165-generic

2019-03-11 Thread Lurchman
I've done some more investigation this morning, and I think I've
narrowed down the problem slightly further. It seems I *can* upgrade
'dkms' (and also install 'shim'), as long as I leave 'shim-signed'
uninstalled, although this has a few caveats...

It seems if I 'sudo apt-get purge bcmwl-kernel-source && sudo apt-get install 
bcmwl-kernel-source' while the 'shim-signed' package is installed, then this 
builds a "broken" 'wl' module which always gives the message 'modprobe: ERROR: 
could not insert 'wl': Package not installed' when you try to modprobe it (even 
after purging 'shim-signed' and rebooting).
However if I 'sudo apt-get purge bcmwl-kernel-source && sudo apt-get install 
bcmwl-kernel-source' while the 'shim-signed' package is NOT installed, then 
this builds a 'wl' module which works (even after installing 'shim-signed').

I also updated the BIOS on my XPS 13 9343 to version A19, but this made
no difference.

Because installing or uninstalling 'shim-signed' doesn't automatically
rebuild DKMS modules, this means you can easily get into some confusing
"conflicting" states, e.g. you can purge-and-install 'bcmwl-kernel-
source' while 'shim-signed' isn't installed (to get a working 'wl'
module), and then install 'shim-signed', and your WiFi will remain
working (with the old module), but the next time your DKMS modules get
rebuilt your WiFi will suddenly stop working (with the newly-built
module).

I know very little about kernel modules and secureboot, but from what I
can tell this is possibly a regression caused by
https://bugs.launchpad.net/ubuntu/+source/shim-signed/+bug/1748983
interacting with e.g.
https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1572659

** Also affects: shim-signed (Ubuntu)
   Importance: Undecided
   Status: New

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Title:
  modprobe: ERROR: could not insert 'wl': Package not installed
  ubuntu14.04.5LTS kernel 3.13.0-165-generic

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[Bug 1818134] Re: modprobe: ERROR: could not insert 'wl': Package not installed ubuntu14.04.5LTS kernel 3.13.0-165-generic

2019-03-03 Thread Lurchman
I had a look at my Updates history in Ubuntu Software Centre for the
last couple of weeks to see if I could spot any "likely culprits", and I
see that on the 18th February the 'dkms' package got bumped from
2.2.0.3-1.1ubuntu5.14.04.9 to 2.2.0.3-1.1ubuntu5.14.04.10 and the 'shim-
signed' package got bumped from 1.33.1~14.0.4.3+13-0ubuntu2 to
1.33.1~14.0.4.4+13-0ubuntu2

I found https://askubuntu.com/questions/138284/how-to-downgrade-a
-package-via-apt-get and 'apt-cache policy dkms' tells me that only
versions 2.2.0.3-1.1ubuntu5.14.04.10 , 2.2.0.3-1.1ubuntu5.14.04.5 and
2.2.0.3-1.1ubuntu5 are available (not 2.2.0.3-1.1ubuntu5.14.04.9), so I
tried 'sudo aptitude install dkms=2.2.0.3-1.1ubuntu5.14.04.5` and got
the following output:

The following packages will be DOWNGRADED:
  dkms 
0 packages upgraded, 0 newly installed, 1 downgraded, 0 to remove and 0 not 
upgraded.
Need to get 65.4 kB of archives. After unpacking 3,072 B will be freed.
The following packages have unmet dependencies:
 shim-signed : Breaks: dkms (< 2.2.0.3-1.1ubuntu5.14.04.10) but 
2.2.0.3-1.1ubuntu5.14.04.5 is to be installed.
The following actions will resolve these dependencies:

 Remove the following packages:
1) shim-signed 


Accept this solution? [Y/n/q/?] 
The following packages will be DOWNGRADED:
  dkms 
The following packages will be REMOVED:
  shim{u} shim-signed{a} 
0 packages upgraded, 0 newly installed, 1 downgraded, 2 to remove and 0 not 
upgraded.
Need to get 65.4 kB of archives. After unpacking 3,743 kB will be freed.
Do you want to continue? [Y/n/?] 
Get: 1 http://gb.archive.ubuntu.com/ubuntu/ trusty-security/main dkms all 
2.2.0.3-1.1ubuntu5.14.04.5 [65.4 kB]
Fetched 65.4 kB in 0s (469 kB/s)
(Reading database ... 483437 files and directories currently installed.)
Removing shim-signed (1.33.1~14.04.4+13-0ubuntu2) ...
Removing shim (13-0ubuntu2) ...
dpkg: warning: downgrading dkms from 2.2.0.3-1.1ubuntu5.14.04.10 to 
2.2.0.3-1.1ubuntu5.14.04.5
(Reading database ... 483420 files and directories currently installed.)
Preparing to unpack .../dkms_2.2.0.3-1.1ubuntu5.14.04.5_all.deb ...
Unpacking dkms (2.2.0.3-1.1ubuntu5.14.04.5) over (2.2.0.3-1.1ubuntu5.14.04.10) 
...
Processing triggers for man-db (2.6.7.1-1ubuntu1) ...
Setting up dkms (2.2.0.3-1.1ubuntu5.14.04.5) ...
  
   
I then rebooted, and Wifi still wasn't working, so I did 'sudo apt-get purge 
bcmwl-kernel-source && sudo apt-get install bcmwl-kernel-source' and the Wifi 
device re-appeared in my Connections menu but said "device not ready" so I did 
another reboot, and my Wifi is now working again! Hooray :-D

So there's obviously some strange "interaction" between bcmwl-kernel-
source, dkms and shim-signed ?  I have no idea which package this bug
should be filed against / moved to.

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Title:
  modprobe: ERROR: could not insert 'wl': Package not installed
  ubuntu14.04.5LTS kernel 3.13.0-165-generic

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[Bug 1818134] Re: modprobe: ERROR: could not insert 'wl': Package not installed ubuntu14.04.5LTS kernel 3.13.0-165-generic

2019-03-03 Thread Lurchman
I'm also seeing the same problem on a Dell XPS 13 9343 - Wifi is
suddenly non-functional, whereas it'd otherwise been working fine for
many years (I'm unsure exactly when the problem started, as I mostly use
my laptop via wired ethernet, but it's definitely broken within the last
couple of weeks).

I've tried booting the previous kernel 3.19.0-80-generic from the grub
boot menu, but that also results in non-functional wifi. I've included
(hopefully) relevant info below, but please let me know if there's
anything else I can do to help.

$ cat /etc/issue
Ubuntu 14.04.5 LTS \n \l

$ uname -a
Linux shyknee 3.19.0-82-generic #90~14.04.1-Ubuntu SMP Thu Feb 23 01:12:44 UTC 
2017 x86_64 x86_64 x86_64 GNU/Linux

$ sudo lshw -C network
  *-network UNCLAIMED 
   description: Network controller
   product: BCM4352 802.11ac Wireless Network Adapter
   vendor: Broadcom Corporation
   physical id: 0
   bus info: pci@:02:00.0
   version: 03
   width: 64 bits
   clock: 33MHz
   capabilities: pm msi pciexpress cap_list
   configuration: latency=0
   resources: memory:f720-f7207fff memory:f700-f71f
  *-network
   description: Ethernet interface
   physical id: 2
   logical name: eth1
   serial: 00:50:b6:0f:5d:ca
   size: 100Mbit/s
   capacity: 100Mbit/s
   capabilities: ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 
autonegotiation
   configuration: autonegotiation=on broadcast=yes driver=asix 
driverversion=22-Dec-2011 duplex=full firmware=ASIX AX88772B USB 2.0 Ethernet 
ip=192.168.0.54 link=yes multicast=yes port=MII speed=100Mbit/s

$ sudo apt-get purge bcmwl-kernel-source
Reading package lists... Done
Building dependency tree   
Reading state information... Done
The following packages will be REMOVED
  bcmwl-kernel-source*
0 to upgrade, 0 to newly install, 1 to remove and 0 not to upgrade.
After this operation, 8,045 kB disk space will be freed.
Do you want to continue? [Y/n] 
(Reading database ... 483437 files and directories currently installed.)
Removing bcmwl-kernel-source (6.30.223.248+bdcom-0ubuntu0.2) ...
Removing all DKMS Modules
Done.
update-initramfs: deferring update (trigger activated)
Purging configuration files for bcmwl-kernel-source 
(6.30.223.248+bdcom-0ubuntu0.2) ...
update-initramfs: deferring update (trigger activated)
Processing triggers for initramfs-tools (0.103ubuntu4.11) ...
update-initramfs: Generating /boot/initrd.img-3.19.0-82-generic

$ sudo apt-get install bcmwl-kernel-source
Reading package lists... Done
Building dependency tree   
Reading state information... Done
The following NEW packages will be installed
  bcmwl-kernel-source
0 to upgrade, 1 to newly install, 0 to remove and 0 not to upgrade.
Need to get 0 B/1,511 kB of archives.
After this operation, 8,045 kB of additional disk space will be used.
Selecting previously unselected package bcmwl-kernel-source.
(Reading database ... 483359 files and directories currently installed.)
Preparing to unpack 
.../bcmwl-kernel-source_6.30.223.248+bdcom-0ubuntu0.2_amd64.deb ...
Unpacking bcmwl-kernel-source (6.30.223.248+bdcom-0ubuntu0.2) ...
Setting up bcmwl-kernel-source (6.30.223.248+bdcom-0ubuntu0.2) ...
Loading new bcmwl-6.30.223.248+bdcom DKMS files...
First Installation: checking all kernels...
Building only for 3.19.0-82-generic
Building for architecture x86_64
Building initial module for 3.19.0-82-generic
Secure Boot not enabled on this system.
Done.

wl:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /lib/modules/3.19.0-82-generic/updates/dkms/

depmod

DKMS: install completed.
modprobe: ERROR: could not insert 'wl': Package not installed
update-initramfs: deferring update (trigger activated)
Processing triggers for initramfs-tools (0.103ubuntu4.11) ...
update-initramfs: Generating /boot/initrd.img-3.19.0-82-generic

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Title:
  modprobe: ERROR: could not insert 'wl': Package not installed
  ubuntu14.04.5LTS kernel 3.13.0-165-generic

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[Bug 1450490] Re: Initial installer run on Dell XPS13 (9343), crash while creating recovery media

2015-04-30 Thread Lurchman
So, after filing this bug report (and being left with only a top menu-
bar and no side applications-menu) I rebooted the laptop, and was able
to login as the user I created during the setup before it crashed
(although there was also still an "OEM" user listed as an option, which
I didn't use).

I tried running the Dell Recovery program again to create a recovery USB
stick, and it again crashed!

So then I installed all the pending updates (which itself needed an 'sudo 
apt-get install -f' to complete properly), did a reboot, logged in, and again 
tried running the Dell Recovery program. This time it worked! It "did it's 
stuff", and then tried writing the recovery image to my 2GB USB drive, but 
complained it didn't have enough space.
Turns out that my 2GB USB flash drive was only 1.9GB, but the recovery image 
needed 2.1GB of space. (I've got no idea if this was the reason for the 
original crash?)

So then I found up a 16GB USB flash drive and installed the recovery
image to that instead. All worked fine.

Then I used the Dell Recovery program to reset the laptop to the factory
state (restored from the recovery partition - worked flawlessly).
Rebooted and ran through the initial setup process again, this time
choosing *not* to make a recovery USB disk during the setup, and it all
worked absolutely fine (the OEM user from the previous attempt no longer
existed). And I was able to install all the pending software updates
without needing to do 'sudo apt-get install -f'.

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Title:
  Initial installer run on Dell XPS13 (9343), crash while creating
  recovery media

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[Bug 1450490] [NEW] Initial installer run on Dell XPS13 (9343), crash while creating recovery media

2015-04-30 Thread Lurchman
Public bug reported:

Newly-received Dell XPS 13 (9343), UK model CNX4313 with Ubuntu 14.04
pre-installed.

Very first power-on, and running through the initial 'setup' process.
Inserted a 2GB USB Flash drive, and chose to create recovery media.
Process started chugging away, and then suddenly crashed for no apparent
reason.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubiquity 2.18.8kittyhawk2somerville2
ProcVersionSignature: Ubuntu 3.13.0-37.64bdw1-generic 3.13.11.7
Uname: Linux 3.13.0-37-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
Date: Thu Apr 30 15:08:18 2015
DistributionChannelDescriptor:
 # This is a distribution channel descriptor
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-trusty-amd64-20140620-0
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi boot=casper automatic-ubiquity 
noprompt quiet splash --
InstallationDate: Installed on 2015-04-24 (6 days ago)
InstallationMedia: Ubuntu 14.04 "Trusty" - Build amd64 LIVE Binary 
20140620-04:25
ProcEnviron:
 LANGUAGE=en_GB.UTF-8
 TERM=linux
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=
 LANG=en_GB.UTF-8
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.init.ubiquity.conf: 2015-04-24T13:24:35.518107

** Affects: ubiquity (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: amd64 apport-bug oem-config trusty ubiquity-2.18.8kittyhawk2

** Attachment added: "/var/log/syslog"
   https://bugs.launchpad.net/bugs/1450490/+attachment/4388350/+files/syslog

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Title:
  Initial installer run on Dell XPS13 (9343), crash while creating
  recovery media

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[Bug 368594] Re: mythbuntu: can't shutdown from MythTV

2009-11-24 Thread Lurchman
Karel: I believe this is the relevant bug for mythtv in Karmic:
https://bugs.launchpad.net/ubuntu/+source/consolekit/+bug/445953
It contains a simple fix that "worked for me" :)

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[Bug 445953] Re: shutdown asks for password with only 1 user logged in

2009-11-24 Thread Lurchman
After upgrading from Jaunty to Karmic, I had this problem too. After
eventually tracking down this bug report (took me a while to work out
that mythtv was to blame!), I followed the instructions from comment
#17, and that fixed the problem for me.

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