[Kernel-packages] [Bug 1683976] Re: Please backport fix to reference leak in cgroup blkio throttle

2017-05-10 Thread Chunwei Chen
Verified on 3.13.0-119-generic

** Tags removed: verification-needed-trusty
** Tags added: verification-done-trusty

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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

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[Kernel-packages] [Bug 1683976] Re: Please backport fix to reference leak in cgroup blkio throttle

2017-05-03 Thread Chunwei Chen
Verified on 4.4.0-78-generic

** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial

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You received this bug notification because you are a member of Kernel
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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

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[Kernel-packages] [Bug 1683976] Re: Please backport fix to reference leak in cgroup blkio throttle

2017-04-19 Thread Chunwei Chen
Hi Joseph,

I just tested the Xenial one and it fixed the issue.

Thanks for the quick respond.

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You received this bug notification because you are a member of Kernel
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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:
  In Progress
Status in linux source package in Xenial:
  In Progress

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

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[Kernel-packages] [Bug 1683976] [NEW] Please backport fix to reference leak in cgroup blkio throttle

2017-04-18 Thread Chunwei Chen
Public bug reported:

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

** Affects: linux (Ubuntu)
 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/1683976

Title:
  Please backport fix to reference leak in cgroup blkio throttle

Status in linux package in Ubuntu:
  New

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

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