Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: initramfs-tools (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1503572
Title:
Crypt Login freeze and random system freeze
Status in initramfs-tools package in Ubuntu:
Confirmed
Bug description:
After last two kernel updates in Ubuntu 15.04 (so 30 and 28) I am
experiencing the random screen freeze as well as there is no way to write my
Crypt password the first time I boot (through graphical interface). My
workaround is that when Crypt login screen appears I hold power button to
reboot the machine (Lenovo T450s) which then gives me terminal login through
Crypt. Additional regression appears as whole system freeze at random moments
(can be in browser or in OpenOffice). What is even more worrying is that I have
dmesg full of errors ([drm:gen8_irq_handler [i915_bpo]] *ERROR* The master
control interrupt lied (SDE)!
) - something that was not there before.
Also it does not matter if I have external monitor connected over HDMI
or not, it does not matter if I have USB devices connected or not, the
Crypt login freeze is repeatable 100%, but I do not know how to get
logs from that boot or what to look.
[ 9.155615] ACPI: Video Device [VID] (multi-head: yes rom: no post: no)
[ 9.155987] input: Video Bus as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input15
[ 9.158359] device-mapper: multipath: version 1.7.0 loaded
[ 9.158591] [drm:gen8_irq_handler [i915_bpo]] *ERROR* The master control
interrupt lied (SDE)!
[ 9.158772] [drm:gen8_irq_handler [i915_bpo]] *ERROR* The master control
interrupt lied (SDE)!
...
[ 9.280656] [drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit
banging on pin 5
[ 9.297274] [drm:gen8_irq_handler [i915_bpo]] *ERROR* The master control
interrupt lied (SDE)!
[ 9.297445] snd_hda_intel 0000:00:03.0: bound 0000:00:02.0 (ops
i915_audio_component_bind_ops [i915_bpo])
[ 9.297453] [drm] Initialized i915_bpo 1.6.0 20150522 for 0000:00:02.0 on
minor 0
[ 9.298242] fbcon: inteldrmfb (fb0) is primary device
[ 10.275607] [drm:gen8_irq_handler [i915_bpo]] *ERROR* The master control
interrupt lied (SDE)!
..
[ 10.337233] Console: switching to colour frame buffer device 240x67
[ 10.343218] i915_bpo 0000:00:02.0: fb0: inteldrmfb frame buffer device
[ 10.343218] i915_bpo 0000:00:02.0: registered panic notifier
[ 10.356167] Adding 8077308k swap on /dev/mapper/ubuntu--vg-swap_1.
Priority:-1 extents:1 across:8077308k SSFS
...
[ 32.521174] [drm:gen8_irq_handler [i915_bpo]] *ERROR* The master control
interrupt lied (SDE)!
[ 32.521473] [drm:gen8_irq_handler [i915_bpo]] *ERROR* The master control
interrupt lied (SDE)!
[ 32.536040] [drm:gen8_irq_handler [i915_bpo]] *ERROR* The master control
interrupt lied (SDE)!
lshw for display:
*-display
description: VGA compatible controller
product: Broadwell-U Integrated Graphics
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 09
width: 64 bits
clock: 33MHz
capabilities: msi pm vga_controller bus_master cap_list rom
configuration: driver=i915_bpo latency=0
resources: irq:49 memory:e0000000-e0ffffff
memory:d0000000-dfffffff ioport:3000(size=64)
3.19.0-30-generic #34-Ubuntu
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