<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">I have a macbook pro with vega 20 which uses the amdgpu firmware vega12 and when i boot any distro the graphics glitch and the computer freezes. If i install amdgpu pro on ubuntu it works flawlessly. Would you guys help me debug this and fix for upstream? <div class=""><br class=""></div><div class=""><br class="">Please, let me know which kind of logs and information I can attach in order to start debugging this issue. I’ll be more than happy to be part of it!</div><div class=""><br class=""></div><div class=""><h2 data-sourcepos="1:1-1:32" dir="auto" class="">Brief summary of the problem:</h2><p data-sourcepos="2:2-2:257" dir="auto" class="">I have a macbook pro with vega 20 which uses the amdgpu firmware vega12 and when i boot any distro the graphics glitch and the computer freezes. If i install amdgpu pro on ubuntu it works flawlessly. Would you guys help me debug this and fix for upstream?</p><p data-sourcepos="5:1-5:151" dir="auto" class="">Please, let me know which kind of logs and information I can attach in order to start debugging this issue. I’ll be more than happy to be part of it!</p><h2 data-sourcepos="7:1-7:24" dir="auto" class=""><a id="user-content-hardware-description" class="anchor" href="#hardware-description" aria-hidden="true"></a>Hardware description:</h2><ul data-sourcepos="8:2-11:0" dir="auto" class=""><li data-sourcepos="8:2-8:36" class="">CPU: 2,4 GHz 8-Core Intel Core i9</li><li data-sourcepos="9:2-11:0" class="">GPU: Radeon Pro Vega 20 4 GB Radeon Pro Vega 20:</li></ul><p data-sourcepos="12:3-25:21" dir="auto" class="">Chipset Model: Radeon Pro Vega 20 Type: GPU Bus: PCIe PCIe Lane Width: x8 VRAM (Total): 4 GB Vendor: AMD (0x1002) Device ID: 0x69af Revision ID: 0x00c0 ROM Revision: 113-D2060I-087 VBIOS Version: 113-D20601MA0T-016 Option ROM Version: 113-D20601MA0T-016 EFI Driver Version: 01.01.087 Automatic Graphics Switching: Supported gMux Version: 5.0.0</p><ul data-sourcepos="27:2-40:0" dir="auto" class=""><li data-sourcepos="27:2-27:37" class=""><p data-sourcepos="27:4-27:37" class="">System Memory: 32 GB 2400 MHz DDR4</p></li><li data-sourcepos="28:2-38:0" class=""><p data-sourcepos="28:4-37:27" class="">Display(s): Color LCD: Display Type: Built-In Retina LCD Resolution: 2880 x 1800 Retina Framebuffer Depth: 30-Bit Color (ARGB2101010) Main Display: Yes Mirror: Off Online: Yes Automatically Adjust Brightness: Yes Connection Type: Internal</p></li><li data-sourcepos="39:2-40:0" class=""><p data-sourcepos="39:4-39:38" class="">Type of Diplay Connection: Internal</p></li></ul><h2 data-sourcepos="41:1-41:22" dir="auto" class=""><a id="user-content-system-information" class="anchor" href="#system-information" aria-hidden="true"></a>System information:</h2><ul data-sourcepos="42:2-46:0" dir="auto" class=""><li data-sourcepos="42:2-42:38" class="">Distro name and Version: Any distro</li><li data-sourcepos="43:2-43:40" class="">Kernel version: Any kernel up to 5.12</li><li data-sourcepos="44:2-44:18" class="">Custom kernel:</li><li data-sourcepos="45:2-46:0" class="">AMD package version: No package</li></ul><h2 data-sourcepos="47:1-47:30" dir="auto" class=""><a id="user-content-how-to-reproduce-the-issue" class="anchor" href="#how-to-reproduce-the-issue" aria-hidden="true"></a>How to reproduce the issue:</h2><p data-sourcepos="48:1-49:67" dir="auto" class="">Boot into any distro and the screen glitch and the computer freezes Sometimes it takes like 5 or 6 seconds before it glitch and freeze.</p><h2 data-sourcepos="52:1-52:18" dir="auto" class=""><a id="user-content-attached-files" class="anchor" href="#attached-files" aria-hidden="true"></a>Attached files:</h2><p data-sourcepos="53:1-53:108" dir="auto" class="">Please, let me know how can I get useful logs, sometimes I`m able to open another tty and run some commands.</p></div></body></html>