Thanks Dann. Build the kernel and I can confirm that is the fix. Let me review it once again before sending it out.
-- 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/1932117 Title: Lots of hisi_qm zombie task slow down system after stress test Status in kunpeng920: New Status in kunpeng920 ubuntu-18.04-hwe series: New Status in kunpeng920 ubuntu-20.04 series: New Status in linux package in Ubuntu: Invalid Status in linux source package in Focal: Triaged Status in linux source package in Hirsute: Invalid Status in linux source package in Impish: Invalid Bug description: [Bug Description] With focal 5.4 kernel, crypto driver does not clean up its created process when calculation is done. Many zombie processes slow down system. e.g. Takes more then 10sec for ssh connection. [Steps to Reproduce] 1) Install Ubuntu 20.04 with GA (5.4) kernel 2) sudo apt install -y stress-ng 3) stress-ng --aggressive --verify --timeout 300 --metrics-brief --tz --times --af-alg 0 4) ps aux | grep hisi_qm | wc -l [Actual Results] >100000 [Expected Results] <100 [Reproducibility] 100% [Additional information] Can not reproduce with focal HWE (5.8) kernel. [Resolution] To manage notifications about this bug go to: https://bugs.launchpad.net/kunpeng920/+bug/1932117/+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
