Bug 102135

Summary: WARN_ON hit when loading G71 with v4.13-rc4
Product: xorg Reporter: Alex Perez <aperez>
Component: Driver/nouveauAssignee: Nouveau Project <nouveau>
Status: RESOLVED MOVED QA Contact: Xorg Project Team <xorg-team>
Severity: normal    
Priority: medium CC: aperez
Version: unspecified   
Hardware: PowerPC   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:
Attachments:
Description Flags
dmesg on linux-4.13-rc4 ppc64
none
attached G71 vbios from this board. none

Description Alex Perez 2017-08-09 23:44:52 UTC
Created attachment 133417 [details]
dmesg on linux-4.13-rc4 ppc64

Filing at the request of Ilia Mirkin
Comment 1 Alex Perez 2017-08-09 23:45:23 UTC
Created attachment 133418 [details]
attached G71 vbios from this board.
Comment 2 Ilia Mirkin 2017-08-10 00:46:04 UTC
The issue at hand being the multiple

WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.c:180 .nvkm_outp_init+0x170/0x2d0

which happen inside nvkm_disp_init. According to Alex, the board works fine (except for MSI being broken, but that's unrelated).
Comment 4 Ben Crocker 2018-01-30 21:47:22 UTC
I note that, according to the dmesg output, this is PPC64 big-endian.
Can you provide other hardware specifics?

I see that Ben Skeggs' commit is in the kernel repo as
commit 372aa73e20197d463fc8b34524c20b089a98b1c3;
is anyone equipped to test the fix?

Can we close this as RESOLVED/FIXED?
Comment 5 Martin Peres 2019-12-04 09:30:19 UTC
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