** Also affects: linux-oem-5.6 (Ubuntu) Importance: Undecided Status: New
** No longer affects: linux (Ubuntu) ** Also affects: linux-oem-5.6 (Ubuntu Focal) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.6 in Ubuntu. https://bugs.launchpad.net/bugs/1893609 Title: SRU: Fix system hang when stress S3 on radeon with TTM Status in HWE Next: New Status in linux-oem-5.6 package in Ubuntu: New Status in linux-oem-5.6 source package in Focal: Fix Committed Bug description: SRU Justification: [Impact] System hang when stress S3 more than 90 times. [Fix] Upstream kernel is good, after bisecting, bad commit is a Ubuntu sauce patch: "vfio -- release device lock before userspace requests" 5.8 kernel got this fix. 5.4 kernel got this commit by stable update LP:#1888560 [Test Case] Verified for 500 times of S3, system runs good. [Regression Potential] Low uptream fix for specific commit, verified with postive result. ================================================== [Summary] System got hang during executing the S3-30-cycle test case. [Steps to reproduce] $ sudo checkbox-support-fwts_test -l /home/u/suspend_30_cycles -f none -s s3 --s3-device-check --s3-device-check-delay=60 --s3-sleep-delay=60 --s3-multiple=30 [Expected result] The test script should be finished smoothly. [Actual result] System got hang at the 7th or 8th S3 resumed back. [Failure rate] 100% [Additional information] CPU: Intel(R) Core(TM) i5-10600 CPU @ 3.30GHz (12x) GPU: 00:02.0 Display controller [0380]: Intel Corporation Device [8086:9bc8] 01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Oland [Radeon HD 8570 / R7 240/340 OEM] [1002:6611] (rev 87) kernel-version: 5.6.0-1020-oem To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1893609/+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