[Bug 111661] New: Totally black screen on restarting Xorg

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=111661

            Bug ID: 111661
           Summary: Totally black screen on restarting Xorg
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.4.0
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Video(DRI - Intel)
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: t.artem at mailcity.com
                CC: intel-gfx-bugs at lists.freedesktop.org
        Regression: No

Created attachment 202511
  --> https://bugzilla.kernel.org/attachment.cgi?id=202511&action=edit
rom

Whenever I try to restart the Xorg server, the screen turns black and nothing
can revive it.

lspci -vvv

00:02.0 VGA compatible controller: Intel Corporation Sky Lake Integrated
Graphics (rev 07) (prog-if 00 [VGA controller])
        Subsystem: Hewlett-Packard Company Device 80d1
        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, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 128
        Region 0: Memory at a0000000 (64-bit, non-prefetchable) [size=16M]
        Region 2: Memory at 90000000 (64-bit, prefetchable) [size=256M]
        Region 4: I/O ports at 4000 [size=64]
        Expansion ROM at <unassigned> [disabled]
        Capabilities: [40] Vendor Specific Information: Len=0c <?>
        Capabilities: [70] Express (v2) Root Complex Integrated Endpoint, MSI
00
                DevCap: MaxPayload 128 bytes, PhantFunc 0
                        ExtTag- RBE+
                DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
                        RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
                        MaxPayload 128 bytes, MaxReadReq 128 bytes
                DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr-
TransPend-
                DevCap2: Completion Timeout: Not Supported, TimeoutDis-, LTR-,
OBFF Not Supported
                DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-,
OBFF Disabled
        Capabilities: [ac] 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: [100 v1] #1b
        Capabilities: [200 v1] Address Translation Service (ATS)
                ATSCap: Invalidate Queue Depth: 00
                ATSCtl: Enable-, Smallest Translation Unit: 00
        Capabilities: [300 v1] #13
        Kernel driver in use: i915
        Kernel modules: i915

dmesg

[    0.000000] ACPI: UEFI 0x0000000087FFB000 000042 (v01 HPQOEM INSYDE  
00000002 HP   00040000)
[    0.497363] Freeing initrd memory: 12724K (ffff88003f38e000 -
ffff88003fffb000)
[    0.512878] efifb: probing for efifb
[    0.512897] efifb: framebuffer at 0x90000000, mapped to 0xffffc90001000000,
using 8100k, total 8100k
[    0.512899] efifb: mode is 1920x1080x32, linelength=7680, pages=1
[    0.512899] efifb: scrolling: redraw
[    0.512901] efifb: Truecolor: size=8:8:8:8, shift=24:16:8:0
[    0.517254] fb0: EFI VGA frame buffer device
[    0.868283]  [<ffffffff8106fb27>] ptdump_walk_pgd_level_core+0x307/0x450
[    1.196238] [drm] Initialized drm 1.1.0 20060810
[    1.305861] [drm] Memory usable by graphics device = 4096M
[    1.305867] fb: switching to inteldrmfb from EFI VGA
[    1.305988] [drm] Replacing VGA console driver
[    1.313025] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    1.313027] [drm] Driver supports precise vblank timestamp query.
[    1.353205] [drm] Initialized i915 1.6.0 20151010 for 0000:00:02.0 on minor
0
[    1.438671] fbcon: inteldrmfb (fb0) is primary device
[    2.653678] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[    2.716751] [drm] RC6 on
[   10.437882] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops
i915_audio_component_bind_ops [i915])

As far as I can see it's a eDP connection.

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