Control: tags -1 + moreinfo On Fri, Jul 31, 2026 at 02:28:51PM +0900, Takashi Yano wrote: > Package: src:linux > Version: 6.12.96-1 > Severity: normal > Tags: patch > X-Debbugs-Cc: [email protected] > User: [email protected] > Usertags: amd64 > > Dear Maintainer, > > * What led up to the situation? > When starting X on NVIDIA Quadro 600 DisplayPort, X does not start > correctly > and does not show screen. I am using nouveau. This also happen with > Quadro 600 / 2000 / 4000 > Quadro FX 1800 > The issue does not happen if DVI output is used. > > * What exactly did you do (or not do) that was effective (or > ineffective)? > Using another mother board does not help. > After some effort, I found that the attached patch resolves the issue. > This essentially reverts a5a7379f6d9d ("drm/nouveau/kms/nv50-: split DP > disable+enable into two modesets") and adds a workaround for Quadro FX > 1800. > > * What was the outcome of this action? > Without the patch, X does not start correctly, while it starts correctly > with the patch. > > * What outcome did you expect instead? > X starts correctly and the screen is shown up.
Can you please report the problem directly upstream and report here so we can update the metadata? Regards, Salvatore

