Bug 100676

Summary: gp104 - messy(random green and/or missing pixel lines) then no output at and after boot
Product: xorg Reporter: xen <nvbugs>
Component: Driver/nouveauAssignee: Nouveau Project <nouveau>
Status: NEW --- QA Contact: Xorg Project Team <xorg-team>
Severity: major    
Priority: medium CC: mikolaj.swiatek, nvbugs
Version: git   
Hardware: x86-64 (AMD64)   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:
Attachments:
Description Flags
extracted journalctl log
none
extracted journalctl log #2
none
photo taken from primary output during boot none

Description xen 2017-04-13 20:56:17 UTC
Created attachment 130836 [details]
extracted journalctl log
Comment 1 Ben Skeggs 2017-04-13 23:28:40 UTC
Can you boot your kernel with "log_buf_len=8M drm.debug=0x14 nouveau.debug=disp=trace,i2c=trace,bios=trace" and post an updated log?
Comment 2 xen 2017-04-14 08:50:50 UTC
Created attachment 130841 [details]
extracted journalctl log #2

kernel log with "log_buf_len=8M drm.debug=0x14
nouveau.debug=disp=trace,i2c=trace,bios=trace"
Comment 3 xen 2017-04-14 08:57:37 UTC
Created attachment 130842 [details]
photo taken from primary output during boot
Comment 4 Ben Skeggs 2017-04-14 12:32:41 UTC
(In reply to xen from comment #3)
> Created attachment 130842 [details]
> photo taken from primary output during boot

Ah, thank you.  I know what's going on here, it relates to some as of yet unimplemented display architecture changes that GM20x requires.

I shall fix it, but it might take me a little while to figure out how exactly to go about it.
Comment 5 Ben Skeggs 2017-05-19 14:06:39 UTC
If you build the kernel module from my tree[1], I believe your issues will be resolved now.

[1] https://github.com/skeggsb/nouveau/commits/master

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