Similar bug for me too, with i915 driver but on HP Envy 6-1260sf (Core
i5-337U) with Xubuntu.
In the list of affected applications, we can add Thunar, xfce4-panel and
whisker (xfce menu).
Switching to VT-1 does NOT work for me, same for reloading xfwm4.
So Xubuntu desktop is unusable when the bug happens, and it is very hard to
save work in progress because all browsing dialog are also affected.
Loggout/loggin restore the font display, but all current unsaved documents are
lost.
The bug is only present after some suspend/resume but not always.
Hardware description :
root@draco-ultrabook:~# lshw -sanitize -numeric -C display
*-display
description: VGA compatible controller
produit: 3rd Gen Core processor Graphics Controller [8086:166]
fabriquant: Intel Corporation [8086]
identifiant matériel: 2
information bus: pci@0000:00:02.0
version: 09
bits: 64 bits
horloge: 33MHz
fonctionnalités: msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
ressources: irq:30 mémoire:c0000000-c03fffff mémoire:b0000000-bfffffff
portE/S:3000(taille=64)
root@draco-ultrabook:~# lspci -vvnn -d 8086:0166
00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core
processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Hewlett-Packard Company 3rd Gen Core processor Graphics
Controller [103c:1896]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 30
Region 0: Memory at c0000000 (64-bit, non-prefetchable) [size=4M]
Region 2: Memory at b0000000 (64-bit, prefetchable) [size=256M]
Region 4: I/O ports at 3000 [size=64]
Expansion ROM at <unassigned> [disabled]
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Address: fee00018 Data: 0000
Capabilities: [d0] Power Management version 2
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [a4] PCI Advanced Features
AFCap: TP+ FLR+
AFCtrl: FLR-
AFStatus: TP-
Kernel driver in use: i915
Kernel modules: i915
** Attachment added: "Corrupted screen on resume from S3 on Xubuntu 16.04"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1573959/+attachment/4749385/+files/Capture%20d%E2%80%99%C3%A9cran_2016-09-27_07-33-28.png
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which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/1573959
Title:
On-screen text disappears after suspend
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