This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- xenial' to 'verification-done-xenial'. If the problem still exists, change the tag 'verification-needed-xenial' to 'verification-failed- xenial'.
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-xenial -- 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/1643797 Title: System stalls when creating device node on booting Status in HWE Next: New Status in linux package in Ubuntu: Incomplete Status in linux source package in Xenial: Fix Committed Bug description: We've found on some Apollo Lake system stalls for around 4 seconds on function `wait_for_completion` when creating nodes in devtmpfs. With 70+ nodes created it can be stalled for 5+ minutes when booting. With bisecting we've found the patch can fix this issue: commit 0905f04eb21fc1c2e690bed5d0418a061d56c225 Author: Yuyang Du <yuyang...@intel.com> AuthorDate: Thu Dec 17 07:34:27 2015 +0800 Commit: Ingo Molnar <mi...@kernel.org> CommitDate: Wed Jan 6 11:06:29 2016 +0100 sched/fair: Fix new task's load avg removed from source CPU in wake_up_new_task() This patch can be clean picked, and shows positive result on multiple Apollo Lake system. The patch is already in v4.5+ so Yakkety is not affected. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1643797/+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
