Bug 95019

Summary: Again "GPU HANG: (...) reason: Ring hung, action: reset" after driver update and suspend
Product: DRI Reporter: Eugenio <jfrusciante>
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: normal    
Priority: medium CC: intel-gfx-bugs
Version: XOrg git   
Hardware: Other   
OS: All   
Whiteboard:
i915 platform: BDW i915 features: GPU hang
Attachments:
Description Flags
dmesg and crash dump none

Description Eugenio 2016-04-19 13:08:36 UTC 
Created attachment 123052 [details]
dmesg and crash dump

I was still experiencing a few system freezes with NVIDIA driver 349.12beta (90% sure it was related with graphics) so I updated to 361.42. It seemed ok but after a resume all the GTK-based graphics was trash (e.g. window decorations and file dialogs are not painted at all). I had a look to dmesg and I have again the

"GPU HANG: ecode 8:0:0xfffffffe, in Xorg [1284], reason: Ring hung, action: reset"

It happens everytime after suspend and resume. It seems ok with a fresh boot. Same problem with 364.15 beta.

Kernel was updated since the first submission:

Linux 4.0.0-040000rc6-generic #201503291935 SMP Sun Mar 29 23:36:50 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
Ubuntu 14.04.4 LTS
Comment 1 Eugenio 2016-04-19 13:10:40 UTC 
My aim was to reopen bug 89915, I am not sure I used the correct procedure
Comment 2 yann 2016-04-20 16:23:45 UTC 
*** Bug 89915 has been marked as a duplicate of this bug. ***
Comment 3 yann 2016-05-20 08:41:47 UTC 
For both bugs:
- Hung happening on "render" ring, 
- Application is "Xorg",
- HW/PCI_ID is "0x1616", 
- Instruction/IPETH is "0x7a000002"

*** This bug has been marked as a duplicate of bug 92688 ***

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