From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id 29D901581FB for ; Sun, 25 Aug 2024 23:37:33 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 0E76FE2A33; Sun, 25 Aug 2024 23:37:27 +0000 (UTC) Received: from mail-qk1-f178.google.com (mail-qk1-f178.google.com [209.85.222.178]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id C0F8CE2A2A for ; Sun, 25 Aug 2024 23:37:26 +0000 (UTC) Received: by mail-qk1-f178.google.com with SMTP id af79cd13be357-7a35eff1d06so252164585a.0 for ; Sun, 25 Aug 2024 16:37:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724629046; x=1725233846; h=content-transfer-encoding:content-disposition:message-id :mime-version:to:subject:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=g1OKY1BWhkzxjt1xFmaPIj4YbvW44T9mLAH7Ayso044=; b=YMyxWf0Drb3dIp4GV44MYmEEr2D3jKlxO8IccDcSsq7Yyd3vziGy/pWNmwhnsHyfsS 1rGsYEHvbaDR56GELzzT5Edkx368G1AOrzoEEzadYUKmyQYN0soizEGnpa0dTCudLJbl 6DP1MrDgXwq7VCwI8I0DTiyug6XZzHOghauToB5KqIV0X77yslVG4s72YypnJL+3L2KQ K1tfy6oqTMQ7n/0CNT8KxN5pvxn5Q0+/cHj8bu2+nLOVRxb+Xc6Oi2VP1+nlTWbpHP2V WiNmG+ZDl7hlrvXtw7/ueS6XjavmX/TCZFLEncicH2gMnHEgnZe+N2dG82tUOKsAANd6 FDMw== X-Gm-Message-State: AOJu0YyEaSifFGJOdzeDey5JlieZJwKiBh7j2znnf1Y+GYZfSWULmTWF GeV5A1ePv+SjOCvymNV2wzNtVBNGC52FEG6hmAHtxWWAd5VJNLBhm70Be/jWsuZew5rAUCAbRRf s X-Google-Smtp-Source: AGHT+IFSwi0DNokFU7PmacSzbghXvHkHEGiP48eQsv0ME1NXlkgW0gNagIbdix9HrAF3GD8mivl6gA== X-Received: by 2002:a05:620a:1aaa:b0:7a6:6267:21ce with SMTP id af79cd13be357-7a68970e067mr1073810885a.37.1724629045761; Sun, 25 Aug 2024 16:37:25 -0700 (PDT) Received: from ffortso9 (32-216-196-135.bng01.wlmn.ct.frontiernet.net. [32.216.196.135]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7a67f362282sm400515685a.71.2024.08.25.16.37.24 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 25 Aug 2024 16:37:25 -0700 (PDT) Date: Sun, 25 Aug 2024 19:37:24 -0400 From: Jack Subject: [gentoo-user] edid problems To: Gentoo User List Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply MIME-Version: 1.0 X-Mailer: Balsa 2.6.4-216-g17c16bf21 Message-Id: Content-Type: text/plain; charset=UTF-8; DelSp=Yes; Format=Flowed Content-Disposition: inline Content-Transfer-Encoding: quoted-printable X-Archives-Salt: 60414640-c0ae-4c6a-8e75-182c39075681 X-Archives-Hash: 45bb0352f4cacad38d92ab21f912685f While following the "New machine: Contents of display are offset around =20 2 inches from the left hand side." thread, I thought I would try =20 get-edid myself. Unfortunately, I get This is read-edid version 3.0.2. Prepare for some fun. Attempting to use i2c interface Looks like no busses have an EDID. Sorry! Attempting to use the classical VBE interface mmap /dev/zero: Operation not permitted error initialising realmode interface do you have full superuser (root) permissions? I'm sorry nothing was successful. Maybe try some other arguments if you played with them, or send an email to Matthew Kern =20 . Partial Read... Try again Lots of searching led me to try $sudo mount -o remount,exec /dev which seemed to work, maybe. Now I get This is read-edid version 3.0.2. Prepare for some fun. Attempting to use i2c interface Looks like no busses have an EDID. Sorry! Attempting to use the classical VBE interface Performing real mode VBE call Interrupt 0x10 ax=3D0x4f00 bx=3D0x0 cx=3D0x0 Function unsupported Call failed VBE version 0 VBE string at 0x0 "O=EF=BF=BD" VBE/DDC service about to be called Report DDC capabilities Performing real mode VBE call Interrupt 0x10 ax=3D0x4f15 bx=3D0x0 cx=3D0x0 Function unsupported Call failed Reading next EDID block VBE/DDC service about to be called Read EDID Performing real mode VBE call Interrupt 0x10 ax=3D0x4f15 bx=3D0x1 cx=3D0x0 Function unsupported Call failed The EDID data should not be trusted as the VBE call failed Error: output block unchanged I'm sorry nothing was successful. Maybe try some other arguments if you played with them, or send an email to Matthew Kern =20 . Partial Read... Try again However, xrandr works fine, showing me DisplayPort-0 connected primary 2560x1440+0+0 (normal left inverted =20 right x axis y axis) 597mm x 336mm 2560x1440 74.60*+ 59.95 .... HDMI-A-0 connected 2560x1440+2560+0 (normal left inverted right x axis =20 y axis) 597mm x 336mm 2560x1440 74.60*+ 59.95 .... DVI-I-0 disconnected (normal left inverted right x axis y axis) DVI-I-1 disconnected (normal left inverted right x axis y axis) (where the .... are 18 other modelines.) My monitors work fine, but I'm curious why get-edid is failing. My mobo is MSI B50 Tomahawk and my GPU is VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] =20 Cape Verde XT [Radeon HD 7770/8760 / R7 250X]. Any thoughyts or suggestions? Thanks. Jack