Bug 102912

Summary: [drm] GPU HANG: ecode 8:0:0x85dffffb, in systemd-logind [614]
Product: DRI Reporter: mattkrll
Component: DRM/IntelAssignee: Intel GFX Bugs mailing list <intel-gfx-bugs>
Status: CLOSED DUPLICATE QA Contact: Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity: blocker    
Priority: medium CC: intel-gfx-bugs, throwaway19587
Version: unspecified   
Hardware: x86-64 (AMD64)   
OS: Linux (All)   
Whiteboard:
i915 platform: BDW i915 features: GPU hang
Attachments:
Description Flags
dmesg
none
gpu crash dump none

Description mattkrll 2017-09-21 00:42:26 UTC
Created attachment 134392 [details]
dmesg

The system freezes around every 3-15 minutes. Sometimes the mousepointer is moveable, sometimes not.
If a second tty is opened before login, its possible to switch to tty2, than the GPU resets until the next freeze.
If no other tty is started, only power-off works, no reboot, no magic keys.
Comment 1 mattkrll 2017-09-21 00:46:43 UTC
Created attachment 134393 [details]
gpu crash dump
Comment 2 Elizabeth 2017-09-29 19:29:56 UTC
Hello Matt, 
Could you try parameter suggested on https://bugs.freedesktop.org/show_bug.cgi?id=103034#c2
Thank you.
Comment 3 matoro 2017-10-02 21:05:02 UTC
Hi, I am also experiencing this problem since kernel 4.13 on Broadwell hardware, also triggered reproducibly by systemd-logind.  Unfortunately I was not able to capture the GPU crash dump.  I will try booting with Intel iommu off.

System specs:  Dell Inspiron 3558 with CPU Intel i5-5200U @ 2.1GHz, integrated GPU only.
Comment 4 mattkrll 2017-10-05 21:01:34 UTC
(In reply to Elizabeth from comment #2)
> Hello Matt, 
> Could you try parameter suggested on
> https://bugs.freedesktop.org/show_bug.cgi?id=103034#c2
> Thank you.

Hello Elizabeth,
I applied the parameter via GRUB Kernel Commandline.
No GPU Hang since 3 Days.
Thank you.
Comment 5 mattkrll 2017-10-05 21:06:12 UTC
Dell Latitude E7450 with i7-5600U no discrete GPU.  Turbo-Boost disabled via Dells UEFI.
Comment 6 Chris Wilson 2017-10-05 21:27:08 UTC

*** This bug has been marked as a duplicate of bug 103076 ***

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