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/1683976 Title: Please backport fix to reference leak in cgroup blkio throttle Status in linux package in Ubuntu: In Progress Status in linux source package in Trusty: Fix Committed Status in linux source package in Xenial: Fix Committed Bug description: This is fixed in Linux 4.5 https://github.com/torvalds/linux/commit/39a169b62b415390398291080dafe63aec751e0a Basically the module reference will leak whenever you write to /sys/fs/cgroup/blkio/blkio.throttle.* $ uname -a Linux david-kvm 4.4.0-72-generic #93-Ubuntu SMP Fri Mar 31 14:07:41 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux $ lsmod | grep ^zfs zfs 2813952 1 $ sudo sh -c 'i=100; while [ $i -gt 0 ]; do echo "230:0 1024" > /sys/fs/cgroup/blkio/blkio.throttle.read_bps_device; i=$(($i - 1)); done' $ lsmod | grep ^zfs zfs 2813952 101 This patch should be applied to all kernel < 4.5 Thanks To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1683976/+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
