Steve,
I was able to install Ubuntu 17.04 within a VirtualBox 5.20.0
environment and indeed the bug stands instantiated by that variant of
Ubuntu as well. Moreover, using the same boot into recovery mode, enter
the password in textual mode and effectuating a "resume boot" seems to
work to bring up both 17.04 as well as 17.10 variants of Ubuntu.
The script as follows hereupon was executed on both 17.04 and 17.10,
thereafter the output from 17.04 and 17.10 is provided herein below.
Script:
lspci | grep VGA;
lsmod | grep "kms\|drm";
find /dev -group video;
cat /proc/cmdline;
[[ -d /etc/modprobe.d ]] && find /etc/modprobe.d/;
if stat /etc/modprobe.d/*kms* 1>/dev/null 2>/dev/null;
then
cat /etc/modprobe.d/*kms*;
else
echo "No kms files in /etc/modprobe.d directory.";
fi;
[[ -f /etc/X11/xorg.conf ]] && ls /etc/X11/xorg.conf;
[[ $(type -P glxinfo) ]] && glxinfo | grep -Ei "vendor|rendering";
[[ -f /var/log/Xorg.0.log ]] && grep LoadModule /var/log/Xorg.0.log
17.04 output:
00:02.0 VGA compatible controller: InnoTek Systemberatung GmbH VirtualBox
Graphics Adapter
drm_kms_helper 151552 0
drm 352256 2 ttm,drm_kms_helper
fb_sys_fops 16384 1 drm_kms_helper
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
/dev/fb0
BOOT_IMAGE=/vmlinuz-4.10.0-37-generic.efi.signed
root=/dev/mapper/ubuntu--vg-root ro recovery nomodeset
/etc/modprobe.d/
/etc/modprobe.d/blacklist-oss.conf
/etc/modprobe.d/blacklist-ath_pci.conf
/etc/modprobe.d/blacklist-firewire.conf
/etc/modprobe.d/alsa-base.conf
/etc/modprobe.d/intel-microcode-blacklist.conf
/etc/modprobe.d/iwlwifi.conf
/etc/modprobe.d/mlx4.conf
/etc/modprobe.d/blacklist-framebuffer.conf
/etc/modprobe.d/blacklist-modem.conf
/etc/modprobe.d/blacklist-rare-network.conf
/etc/modprobe.d/blacklist.conf
No kms files in /etc/modprobe.d directory.
direct rendering: Yes
server glx vendor string: SGI
client glx vendor string: Mesa Project and SGI
Vendor: VMware, Inc. (0xffffffff)
OpenGL vendor string: VMware, Inc.
[ 27.658] (II) LoadModule: "glx"
[ 27.971] (II) LoadModule: "vboxvideo"
[ 27.972] (II) LoadModule: "modesetting"
[ 27.983] (II) LoadModule: "fbdev"
[ 27.995] (II) LoadModule: "vesa"
[ 28.003] (II) LoadModule: "vboxvideo"
[ 28.003] (II) LoadModule: "modesetting"
[ 28.003] (II) LoadModule: "fbdev"
[ 28.003] (II) LoadModule: "vesa"
[ 28.007] (II) LoadModule: "fbdevhw"
[ 28.023] (II) LoadModule: "fb"
[ 28.026] (II) LoadModule: "shadow"
[ 28.962] (II) LoadModule: "libinput"
17.10 output:
00:02.0 VGA compatible controller: InnoTek Systemberatung GmbH VirtualBox
Graphics Adapter
drm_kms_helper 167936 0
drm 356352 2 ttm,drm_kms_helper
fb_sys_fops 16384 1 drm_kms_helper
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
/dev/fb0
BOOT_IMAGE=/vmlinuz-4.13.0-16-generic.efi.signed
root=/dev/mapper/ubuntu--vg-root ro recovery nomodeset
/etc/modprobe.d/
/etc/modprobe.d/blacklist-rare-network.conf
/etc/modprobe.d/mlx4.conf
/etc/modprobe.d/blacklist-firewire.conf
/etc/modprobe.d/blacklist-framebuffer.conf
/etc/modprobe.d/intel-microcode-blacklist.conf
/etc/modprobe.d/blacklist.conf
/etc/modprobe.d/blacklist-modem.conf
/etc/modprobe.d/blacklist-oss.conf
/etc/modprobe.d/iwlwifi.conf
/etc/modprobe.d/alsa-base.conf
/etc/modprobe.d/blacklist-ath_pci.conf
No kms files in /etc/modprobe.d directory.
[ 34.509] (II) LoadModule: "glx"
[ 34.571] (II) LoadModule: "vboxvideo"
[ 34.575] (II) LoadModule: "modesetting"
[ 34.585] (II) LoadModule: "fbdev"
[ 34.593] (II) LoadModule: "vesa"
[ 34.606] (II) LoadModule: "vboxvideo"
[ 34.606] (II) LoadModule: "modesetting"
[ 34.606] (II) LoadModule: "fbdev"
[ 34.606] (II) LoadModule: "vesa"
[ 34.608] (II) LoadModule: "fbdevhw"
[ 34.610] (II) LoadModule: "fb"
[ 34.612] (II) LoadModule: "shadow"
[ 35.675] (II) LoadModule: "libinput"
Thank you for your assistance.
Stuart
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https://bugs.launchpad.net/bugs/1727816
Title:
cannot enter encryption password in GUI
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