Confirmed bug on Lenovo E550. Prominently appears when plugging in an external Samsung S23C350 screen before boot/power on however plugging it in once logged it. Thus far the bug has only once occurred when the external screen is not plugged in.
https://bugs.launchpad.net/linux/+bug/1432194 :: bug #1432194 refers to the same/similar issue. The fix mentioned has not fixed my installation using xserver-xorg- video-intel-lts-utopic ver 2.99.914-1 (Comment #8 mentions that fix is not for utopic - possibly why the fix did not work) <code> root@u1404:~/# uname -a Linux u1404 3.16.0-34-generic #47~14.04.1-Ubuntu SMP Fri Apr 10 17:49:16 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux root@u1404:~/# lshw -c video *-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 latency=0 resources: irq:63 memory:d0000000-d0ffffff memory:a0000000-bfffffff ioport:5000(size=64) root@u1404:~/# modinfo i915 | head filename: /lib/modules/3.16.0-34-generic/kernel/drivers/gpu/drm/i915/i915.ko license: GPL and additional rights description: Intel Graphics author: Tungsten Graphics, Inc. srcversion: 4623F6696D48BF78FB054D5 alias: pci:v00008086d000022B3sv*sd*bc03sc*i* alias: pci:v00008086d000022B2sv*sd*bc03sc*i* alias: pci:v00008086d000022B1sv*sd*bc03sc*i* alias: pci:v00008086d000022B0sv*sd*bc03sc*i* alias: pci:v00008086d0000162Dsv*sd*bc03sc*i* root@u1404:~/# lspci -nnk | grep '\[03' -A2 00:02.0 VGA compatible controller [0300]: Intel Corporation Broadwell-U Integrated Graphics [8086:1616] (rev 09) Subsystem: Lenovo Device [17aa:5021] Kernel driver in use: i915 -- 05:00.0 Display controller [0380]: Advanced Micro Devices, Inc. [AMD/ATI] Opal XT [Radeon R7 M265] [1002:6604] (rev ff) Kernel driver in use: radeon 06:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5227 PCI Express Card Reader [10ec:5227] (rev 01) root@u1404:~/# dpkg -l | grep -i video-intel ii xserver-xorg-video-intel-lts-utopic 2:2.99.914-1~exp1ubuntu4.2~trusty1 amd64 X.Org X server -- Intel i8xx, i9xx display driver root@u1404:~/# </code> -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1444436 Title: [BDW GT3] Backport fixes to unbreak X Status in xserver-xorg-video-intel package in Ubuntu: Fix Released Status in xserver-xorg-video-intel-lts-utopic package in Ubuntu: Invalid Status in xserver-xorg-video-intel source package in Trusty: Fix Committed Status in xserver-xorg-video-intel-lts-utopic source package in Trusty: New Status in xserver-xorg-video-intel source package in Utopic: Confirmed Bug description: BDW GT3 need these to properly render menus, windows: commit de54a93217cc550c44ee138f0511ede6925d84e0 Author: Chris Wilson <ch...@chris-wilson.co.uk> Date: Wed Oct 22 19:30:21 2014 +0100 sna/gen8: Annotate more 64bit pointer locations commit 7a9bdadd71730adc5266bc6758982abec5917b93 Author: Chris Wilson <ch...@chris-wilson.co.uk> Date: Wed Oct 22 19:31:10 2014 +0100 sna/gen8: Clamp URB allocations for GT3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1444436/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
