Public bug reported: [Impact] System hangs and no external output after unplug/plug DP monitor. (AMD Radeon Pro W7500) Observed a bunch of [Hardware Error] messages and finally amdgpu crashed.
[Fix] AMD provides a patch to fix the issue https://www.spinics.net/lists/amd-gfx/msg99737.html [Testcase] 1. Connect the DUT to an external DP monitor via one of the ports on the AMD graphics card 2. Boot into Ubuntu 3. Unplug the DP cable from the DUT 4. Wait for 30 seconds 5. Replug in the DP cable 6. Make sure the system doesn't hang and the external DP monitor works [Where probles could occur] ** Affects: linux (Ubuntu) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux-oem-6.1 (Ubuntu) Importance: Undecided Status: New ** Affects: linux-oem-6.5 (Ubuntu) Importance: Undecided Status: New ** Affects: linux (Ubuntu Jammy) Importance: Undecided Status: Invalid ** Affects: linux-oem-6.1 (Ubuntu Jammy) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux-oem-6.5 (Ubuntu Jammy) Importance: Undecided Status: New ** Affects: linux (Ubuntu Mantic) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux-oem-6.1 (Ubuntu Mantic) Importance: Undecided Status: Invalid ** Affects: linux-oem-6.5 (Ubuntu Mantic) Importance: Undecided Status: New ** Affects: linux (Ubuntu Noble) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux-oem-6.1 (Ubuntu Noble) Importance: Undecided Status: New ** Affects: linux-oem-6.5 (Ubuntu Noble) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2042912 Title: System hang after unplug/plug DP monitor with AMD W7500 card Status in linux package in Ubuntu: In Progress Status in linux-oem-6.1 package in Ubuntu: New Status in linux-oem-6.5 package in Ubuntu: New Status in linux source package in Jammy: Invalid Status in linux-oem-6.1 source package in Jammy: In Progress Status in linux-oem-6.5 source package in Jammy: New Status in linux source package in Mantic: In Progress Status in linux-oem-6.1 source package in Mantic: Invalid Status in linux-oem-6.5 source package in Mantic: New Status in linux source package in Noble: In Progress Status in linux-oem-6.1 source package in Noble: New Status in linux-oem-6.5 source package in Noble: New Bug description: [Impact] System hangs and no external output after unplug/plug DP monitor. (AMD Radeon Pro W7500) Observed a bunch of [Hardware Error] messages and finally amdgpu crashed. [Fix] AMD provides a patch to fix the issue https://www.spinics.net/lists/amd-gfx/msg99737.html [Testcase] 1. Connect the DUT to an external DP monitor via one of the ports on the AMD graphics card 2. Boot into Ubuntu 3. Unplug the DP cable from the DUT 4. Wait for 30 seconds 5. Replug in the DP cable 6. Make sure the system doesn't hang and the external DP monitor works [Where probles could occur] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2042912/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
