{"action":"created","issue":{"url":"https://api.github.com/repos/zfsonlinux/zfs/issues/2272","labels_url":"https://api.github.com/repos/zfsonlinux/zfs/issues/2272/labels{/name}","comments_url":"https://api.github.com/repos/zfsonlinux/zfs/issues/2272/comments","events_url":"https://api.github.com/repos/zfsonlinux/zfs/issues/2272/events","html_url":"https://github.com/zfsonlinux/zfs/issues/2272","id":31978510,"number":2272,"title":"CPU lock During the ZFS+Zvol","user":{"login":"albertyann","id":663575,"avatar_url":"https://avatars.githubusercontent.com/u/663575?v=3","gravatar_id":"","url":"https://api.github.com/users/albertyann","html_url":"https://github.com/albertyann","followers_url":"https://api.github.com/users/albertyann/followers","following_url":"https://api.github.com/users/albertyann/following{/other_user}","gists_url":"https://api.github.com/users/albertyann/gists{/gist_id}","starred_url":"https://api.github.com/users/albertyann/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/albertyann/subscriptions","organizations_url":"https://api.github.com/users/albertyann/orgs","repos_url":"https://api.github.com/users/albertyann/repos","events_url":"https://api.github.com/users/albertyann/events{/privacy}","received_events_url":"https://api.github.com/users/albertyann/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/zfsonlinux/zfs/labels/Bug%20-%20Minor","name":"Bug - Minor","color":"e11d21"},{"url":"https://api.github.com/repos/zfsonlinux/zfs/labels/Difficulty%20-%20Medium","name":"Difficulty - Medium","color":"207de5"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":14,"created_at":"2014-04-22T14:40:02Z","updated_at":"2015-04-19T08:47:34Z","closed_at":null,"body":"I am running the CentOS 6.5, ZFS-0.6.2\r\n\r\nHere is the output for running ext4 on zvol. Please using 500G zvol and block size =4096 and try to mkfs.ext4, you will see the result. This may related to the slow mkfs.ext4. \r\n\r\n```\r\nNFO: task zvol/3:3945 blocked for more than 120 seconds.\r\n      Tainted: P           ---------------    2.6.32-431.el6.x86_64 #1\r\n\"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\r\nzvol/3        D 0000000000000003     0  3945      2 0x00000080\r\n ffff8804301e5bb0 0000000000000046 0000000000000002 0000000400000000\r\n 0000000000000000 0000000000000002 ffff8804301e5b70 ffffffffa044b619\r\n ffff8804376dc5f8 ffff8804301e5fd8 000000000000fbc8 ffff8804376dc5f8\r\nCall Trace:\r\n [<ffffffffa044b619>] ? dbuf_hold_impl+0x99/0xc0 [zfs]\r\n [<ffffffff8109b4ee>] ? prepare_to_wait_exclusive+0x4e/0x80\r\n [<ffffffffa0378725>] cv_wait_common+0x105/0x1c0 [spl]\r\n [<ffffffff8109b2a0>] ? autoremove_wake_function+0x0/0x40\r\n [<ffffffffa0378835>] __cv_wait+0x15/0x20 [spl]\r\n [<ffffffffa045f89d>] dmu_tx_wait+0x8d/0x2b0 [zfs]\r\n [<ffffffffa045fba1>] dmu_tx_assign+0x91/0x490 [zfs]\r\n [<ffffffffa04528dd>] dmu_free_long_range+0x18d/0x250 [zfs]\r\n [<ffffffffa04ef9aa>] zvol_discard+0xaa/0x110 [zfs]\r\n [<ffffffffa0371568>] taskq_thread+0x218/0x4b0 [spl]\r\n [<ffffffff81527910>] ? thread_return+0x4e/0x76e\r\n [<ffffffff81065df0>] ? default_wake_function+0x0/0x20\r\n [<ffffffffa0371350>] ? taskq_thread+0x0/0x4b0 [spl]\r\n [<ffffffff8109aef6>] kthread+0x96/0xa0\r\n [<ffffffff8100c20a>] child_rip+0xa/0x20\r\n [<ffffffff8109ae60>] ? kthread+0x0/0xa0\r\n [<ffffffff8100c200>] ? child_rip+0x0/0x20\r\nINFO: task zvol/4:3946 blocked for more than 120 seconds.\r\n      Tainted: P           ---------------    2.6.32-431.el6.x86_64 #1\r\n\"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\r\nzvol/4        D 0000000000000009     0  3946      2 0x00000080\r\n ffff880433063bb0 0000000000000046 0000000000000002 0000000400000000\r\n 0000000000000000 0000000000000002 ffff880433063b70 ffffffffa044b619\r\n ffff880436651098 ffff880433063fd8 000000000000fbc8 ffff880436651098\r\nCall Trace:\r\n [<ffffffffa044b619>] ? dbuf_hold_impl+0x99/0xc0 [zfs]\r\n [<ffffffff8109b4ee>] ? prepare_to_wait_exclusive+0x4e/0x80\r\n [<ffffffffa0378725>] cv_wait_common+0x105/0x1c0 [spl]\r\n [<ffffffff8109b2a0>] ? autoremove_wake_function+0x0/0x40\r\n [<ffffffffa0378835>] __cv_wait+0x15/0x20 [spl]\r\n [<ffffffffa045f89d>] dmu_tx_wait+0x8d/0x2b0 [zfs]\r\n [<ffffffffa045fba1>] dmu_tx_assign+0x91/0x490 [zfs]\r\n [<ffffffffa04528dd>] dmu_free_long_range+0x18d/0x250 [zfs]\r\n [<ffffffffa04ef9aa>] zvol_discard+0xaa/0x110 [zfs]\r\n [<ffffffffa0371568>] taskq_thread+0x218/0x4b0 [spl]\r\n [<ffffffff81527910>] ? thread_return+0x4e/0x76e\r\n [<ffffffff81065df0>] ? default_wake_function+0x0/0x20\r\n [<ffffffffa0371350>] ? taskq_thread+0x0/0x4b0 [spl]\r\n [<ffffffff8109aef6>] kthread+0x96/0xa0\r\n [<ffffffff8100c20a>] child_rip+0xa/0x20\r\n [<ffffffff8109ae60>] ? kthread+0x0/0xa0\r\n [<ffffffff8100c200>] ? child_rip+0x0/0x20\r\nINFO: task zvol/7:3949 blocked for more than 120 seconds.\r\n      Tainted: P           ---------------    2.6.32-431.el6.x86_64 #1\r\n\"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\r\nzvol/7        D 0000000000000000     0  3949      2 0x00000080\r\n ffff88043660fbb0 0000000000000046 0000000000000002 0000000400000000\r\n 0000000000000000 0000000000000002 ffff88043660fb70 ffffffffa044b619\r\n ffff880436ed85f8 ffff88043660ffd8 000000000000fbc8 ffff880436ed85f8\r\nCall Trace:\r\n [<ffffffffa044b619>] ? dbuf_hold_impl+0x99/0xc0 [zfs]\r\n [<ffffffff8109b4ee>] ? prepare_to_wait_exclusive+0x4e/0x80\r\n [<ffffffffa0378725>] cv_wait_common+0x105/0x1c0 [spl]\r\n [<ffffffff8109b2a0>] ? autoremove_wake_function+0x0/0x40\r\n [<ffffffffa0378835>] __cv_wait+0x15/0x20 [spl]\r\n [<ffffffffa045f89d>] dmu_tx_wait+0x8d/0x2b0 [zfs]\r\n [<ffffffffa045fba1>] dmu_tx_assign+0x91/0x490 [zfs]\r\n [<ffffffffa04528dd>] dmu_free_long_range+0x18d/0x250 [zfs]\r\n [<ffffffffa04ef9aa>] zvol_discard+0xaa/0x110 [zfs]\r\n [<ffffffffa0371568>] taskq_thread+0x218/0x4b0 [spl]\r\n [<ffffffff81527910>] ? thread_return+0x4e/0x76e\r\n [<ffffffff81065df0>] ? default_wake_function+0x0/0x20\r\n [<ffffffffa0371350>] ? taskq_thread+0x0/0x4b0 [spl]\r\n [<ffffffff8109aef6>] kthread+0x96/0xa0\r\n [<ffffffff8100c20a>] child_rip+0xa/0x20\r\n [<ffffffff8109ae60>] ? kthread+0x0/0xa0\r\n [<ffffffff8100c200>] ? child_rip+0x0/0x20\r\nINFO: task zvol/8:3950 blocked for more than 120 seconds.\r\n      Tainted: P           ---------------    2.6.32-431.el6.x86_64 #1\r\n\"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\r\nzvol/8        D 0000000000000002     0  3950      2 0x00000080\r\n ffff880432fd3bb0 0000000000000046 0000000000000002 0000000400000000\r\n 0000000000000000 0000000000000002 ffff880432fd3b70 ffffffffa044b619\r\n ffff880434462638 ffff880432fd3fd8 000000000000fbc8 ffff880434462638\r\nCall Trace:\r\n [<ffffffffa044b619>] ? dbuf_hold_impl+0x99/0xc0 [zfs]\r\n [<ffffffff8109b4ee>] ? prepare_to_wait_exclusive+0x4e/0x80\r\n [<ffffffffa0378725>] cv_wait_common+0x105/0x1c0 [spl]\r\n [<ffffffff8109b2a0>] ? autoremove_wake_function+0x0/0x40\r\n [<ffffffffa0378835>] __cv_wait+0x15/0x20 [spl]\r\n [<ffffffffa045f89d>] dmu_tx_wait+0x8d/0x2b0 [zfs]\r\n [<ffffffffa045fba1>] dmu_tx_assign+0x91/0x490 [zfs]\r\n [<ffffffffa04528dd>] dmu_free_long_range+0x18d/0x250 [zfs]\r\n [<ffffffffa04ef9aa>] zvol_discard+0xaa/0x110 [zfs]\r\n [<ffffffffa0371568>] taskq_thread+0x218/0x4b0 [spl]\r\n [<ffffffff81527910>] ? thread_return+0x4e/0x76e\r\n [<ffffffff81065df0>] ? default_wake_function+0x0/0x20\r\n [<ffffffffa0371350>] ? taskq_thread+0x0/0x4b0 [spl]\r\n [<ffffffff8109aef6>] kthread+0x96/0xa0\r\n [<ffffffff8100c20a>] child_rip+0xa/0x20\r\n [<ffffffff8109ae60>] ? kthread+0x0/0xa0\r\n [<ffffffff8100c200>] ? child_rip+0x0/0x20\r\nINFO: task zvol/9:3951 blocked for more than 120 seconds.\r\n      Tainted: P           ---------------    2.6.32-431.el6.x86_64 #1\r\n\"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\r\nzvol/9        D 0000000000000007     0  3951      2 0x00000080\r\n ffff880432f79bb0 0000000000000046 0000000000000002 0000000400000000\r\n 0000000000000000 0000000000000002 ffff880432f79b70 ffffffffa044b619\r\n ffff880436c36638 ffff880432f79fd8 000000000000fbc8 ffff880436c36638\r\nCall Trace:\r\n [<ffffffffa044b619>] ? dbuf_hold_impl+0x99/0xc0 [zfs]\r\n [<ffffffff8109b4ee>] ? prepare_to_wait_exclusive+0x4e/0x80\r\n [<ffffffffa0378725>] cv_wait_common+0x105/0x1c0 [spl]\r\n [<ffffffff8109b2a0>] ? autoremove_wake_function+0x0/0x40\r\n [<ffffffffa0378835>] __cv_wait+0x15/0x20 [spl]\r\n [<ffffffffa045f89d>] dmu_tx_wait+0x8d/0x2b0 [zfs]\r\n [<ffffffffa045fba1>] dmu_tx_assign+0x91/0x490 [zfs]\r\n [<ffffffffa04528dd>] dmu_free_long_range+0x18d/0x250 [zfs]\r\n [<ffffffffa04ef9aa>] zvol_discard+0xaa/0x110 [zfs]\r\n [<ffffffffa0371568>] taskq_thread+0x218/0x4b0 [spl]\r\n [<ffffffff81527910>] ? thread_return+0x4e/0x76e\r\n [<ffffffff81065df0>] ? default_wake_function+0x0/0x20\r\n [<ffffffffa0371350>] ? taskq_thread+0x0/0x4b0 [spl]\r\n [<ffffffff8109aef6>] kthread+0x96/0xa0\r\n [<ffffffff8100c20a>] child_rip+0xa/0x20\r\n [<ffffffff8109ae60>] ? kthread+0x0/0xa0\r\n [<ffffffff8100c200>] ? child_rip+0x0/0x20\r\nINFO: task zvol/10:3952 blocked for more than 120 seconds.\r\n      Tainted: P           ---------------    2.6.32-431.el6.x86_64 #1\r\n\"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\r\nzvol/10       D 000000000000000b     0  3952      2 0x00000080\r\n ffff880437a0dbb0 0000000000000046 0000000000000002 0000000400000000\r\n 0000000000000000 0000000000000002 ffff880437a0db70 ffffffffa044b619\r\n ffff880439a925f8 ffff880437a0dfd8 000000000000fbc8 ffff880439a925f8\r\nCall Trace:\r\n [<ffffffffa044b619>] ? dbuf_hold_impl+0x99/0xc0 [zfs]\r\n [<ffffffff8109b4ee>] ? prepare_to_wait_exclusive+0x4e/0x80\r\n [<ffffffffa0378725>] cv_wait_common+0x105/0x1c0 [spl]\r\n [<ffffffff8109b2a0>] ? autoremove_wake_function+0x0/0x40\r\n [<ffffffffa0378835>] __cv_wait+0x15/0x20 [spl]\r\n [<ffffffffa045f89d>] dmu_tx_wait+0x8d/0x2b0 [zfs]\r\n [<ffffffffa045fba1>] dmu_tx_assign+0x91/0x490 [zfs]\r\n [<ffffffffa04528dd>] dmu_free_long_range+0x18d/0x250 [zfs]\r\n [<ffffffffa04ef9aa>] zvol_discard+0xaa/0x110 [zfs]\r\n [<ffffffffa0371568>] taskq_thread+0x218/0x4b0 [spl]\r\n [<ffffffff81527910>] ? thread_return+0x4e/0x76e\r\n [<ffffffff81065df0>] ? default_wake_function+0x0/0x20\r\n [<ffffffffa0371350>] ? taskq_thread+0x0/0x4b0 [spl]\r\n [<ffffffff8109aef6>] kthread+0x96/0xa0\r\n [<ffffffff8100c20a>] child_rip+0xa/0x20\r\n [<ffffffff8109ae60>] ? kthread+0x0/0xa0\r\n [<ffffffff8100c200>] ? child_rip+0x0/0x20\r\nINFO: task zvol/11:3953 blocked for more than 120 seconds.\r\n      Tainted: P           ---------------    2.6.32-431.el6.x86_64 #1\r\n\"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\r\nzvol/11       D 0000000000000007     0  3953      2 0x00000080\r\n ffff880432fc5bb0 0000000000000046 0000000000000002 0000000400000000\r\n 0000000000000000 0000000000000002 ffff880432fc5b70 ffffffffa044b619\r\n ffff880439a93058 ffff880432fc5fd8 000000000000fbc8 ffff880439a93058\r\nCall Trace:\r\n [<ffffffffa044b619>] ? dbuf_hold_impl+0x99/0xc0 [zfs]\r\n [<ffffffff8109b4ee>] ? prepare_to_wait_exclusive+0x4e/0x80\r\n [<ffffffffa0378725>] cv_wait_common+0x105/0x1c0 [spl]\r\n [<ffffffff8109b2a0>] ? autoremove_wake_function+0x0/0x40\r\n [<ffffffffa0378835>] __cv_wait+0x15/0x20 [spl]\r\n [<ffffffffa045f89d>] dmu_tx_wait+0x8d/0x2b0 [zfs]\r\n [<ffffffffa045fba1>] dmu_tx_assign+0x91/0x490 [zfs]\r\n [<ffffffffa04528dd>] dmu_free_long_range+0x18d/0x250 [zfs]\r\n [<ffffffffa04ef9aa>] zvol_discard+0xaa/0x110 [zfs]\r\n [<ffffffffa0371568>] taskq_thread+0x218/0x4b0 [spl]\r\n [<ffffffff81527910>] ? thread_return+0x4e/0x76e\r\n [<ffffffff81065df0>] ? default_wake_function+0x0/0x20\r\n [<ffffffffa0371350>] ? taskq_thread+0x0/0x4b0 [spl]\r\n [<ffffffff8109aef6>] kthread+0x96/0xa0\r\n [<ffffffff8100c20a>] child_rip+0xa/0x20\r\n [<ffffffff8109ae60>] ? kthread+0x0/0xa0\r\n [<ffffffff8100c200>] ? child_rip+0x0/0x20\r\nINFO: task zvol/17:3959 blocked for more than 120 seconds.\r\n      Tainted: P           ---------------    2.6.32-431.el6.x86_64 #1\r\n\"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\r\nzvol/17       D 0000000000000004     0  3959      2 0x00000080\r\n ffff880437c9fbb0 0000000000000046 0000000000000002 0000000400000000\r\n 0000000000000000 0000000000000002 ffff880437c9fb70 ffffffffa044b619\r\n ffff880437a93ab8 ffff880437c9ffd8 000000000000fbc8 ffff880437a93ab8\r\nCall Trace:\r\n [<ffffffffa044b619>] ? dbuf_hold_impl+0x99/0xc0 [zfs]\r\n [<ffffffff8109b4ee>] ? prepare_to_wait_exclusive+0x4e/0x80\r\n [<ffffffffa0378725>] cv_wait_common+0x105/0x1c0 [spl]\r\n [<ffffffff8109b2a0>] ? autoremove_wake_function+0x0/0x40\r\n [<ffffffffa0378835>] __cv_wait+0x15/0x20 [spl]\r\n [<ffffffffa045f89d>] dmu_tx_wait+0x8d/0x2b0 [zfs]\r\n [<ffffffffa045fba1>] dmu_tx_assign+0x91/0x490 [zfs]\r\n [<ffffffffa04528dd>] dmu_free_long_range+0x18d/0x250 [zfs]\r\n [<ffffffffa04ef9aa>] zvol_discard+0xaa/0x110 [zfs]\r\n [<ffffffffa0371568>] taskq_thread+0x218/0x4b0 [spl]\r\n [<ffffffff81527910>] ? thread_return+0x4e/0x76e\r\n [<ffffffff81065df0>] ? default_wake_function+0x0/0x20\r\n [<ffffffffa0371350>] ? taskq_thread+0x0/0x4b0 [spl]\r\n [<ffffffff8109aef6>] kthread+0x96/0xa0\r\n [<ffffffff8100c20a>] child_rip+0xa/0x20\r\n [<ffffffff8109ae60>] ? kthread+0x0/0xa0\r\n [<ffffffff8100c200>] ? child_rip+0x0/0x20\r\nINFO: task zvol/19:3961 blocked for more than 120 seconds.\r\n      Tainted: P           ---------------    2.6.32-431.el6.x86_64 #1\r\n\"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\r\nzvol/19       D 0000000000000001     0  3961      2 0x00000080\r\n ffff8804330ddbb0 0000000000000046 0000000000000002 0000000400000000\r\n 0000000000000000 0000000000000002 ffff8804330ddb70 ffffffffa044b619\r\n ffff880437410638 ffff8804330ddfd8 000000000000fbc8 ffff880437410638\r\nCall Trace:\r\n [<ffffffffa044b619>] ? dbuf_hold_impl+0x99/0xc0 [zfs]\r\n [<ffffffff8109b4ee>] ? prepare_to_wait_exclusive+0x4e/0x80\r\n [<ffffffffa0378725>] cv_wait_common+0x105/0x1c0 [spl]\r\n [<ffffffff8109b2a0>] ? autoremove_wake_function+0x0/0x40\r\n [<ffffffffa0378835>] __cv_wait+0x15/0x20 [spl]\r\n [<ffffffffa045f89d>] dmu_tx_wait+0x8d/0x2b0 [zfs]\r\n [<ffffffffa045fba1>] dmu_tx_assign+0x91/0x490 [zfs]\r\n [<ffffffffa04528dd>] dmu_free_long_range+0x18d/0x250 [zfs]\r\n [<ffffffffa04ef9aa>] zvol_discard+0xaa/0x110 [zfs]\r\n [<ffffffffa0371568>] taskq_thread+0x218/0x4b0 [spl]\r\n [<ffffffff81527910>] ? thread_return+0x4e/0x76e\r\n [<ffffffff81065df0>] ? default_wake_function+0x0/0x20\r\n [<ffffffffa0371350>] ? taskq_thread+0x0/0x4b0 [spl]\r\n [<ffffffff8109aef6>] kthread+0x96/0xa0\r\n [<ffffffff8100c20a>] child_rip+0xa/0x20\r\n [<ffffffff8109ae60>] ? kthread+0x0/0xa0\r\n [<ffffffff8100c200>] ? child_rip+0x0/0x20\r\nINFO: task zvol/21:3963 blocked for more than 120 seconds.\r\n      Tainted: P           ---------------    2.6.32-431.el6.x86_64 #1\r\n\"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\r\nzvol/21       D 0000000000000003     0  3963      2 0x00000080\r\n ffff8804330c7bb0 0000000000000046 0000000000000002 0000000400000000\r\n 0000000000000000 0000000000000002 ffff8804330c7b70 ffffffffa044b619\r\n ffff880434f9faf8 ffff8804330c7fd8 000000000000fbc8 ffff880434f9faf8\r\nCall Trace:\r\n [<ffffffffa044b619>] ? dbuf_hold_impl+0x99/0xc0 [zfs]\r\n [<ffffffff8109b4ee>] ? prepare_to_wait_exclusive+0x4e/0x80\r\n [<ffffffffa0378725>] cv_wait_common+0x105/0x1c0 [spl]\r\n [<ffffffff8109b2a0>] ? autoremove_wake_function+0x0/0x40\r\n [<ffffffffa0378835>] __cv_wait+0x15/0x20 [spl]\r\n [<ffffffffa045f89d>] dmu_tx_wait+0x8d/0x2b0 [zfs]\r\n [<ffffffffa045fba1>] dmu_tx_assign+0x91/0x490 [zfs]\r\n [<ffffffffa04528dd>] dmu_free_long_range+0x18d/0x250 [zfs]\r\n [<ffffffffa04ef9aa>] zvol_discard+0xaa/0x110 [zfs]\r\n [<ffffffffa0371568>] taskq_thread+0x218/0x4b0 [spl]\r\n [<ffffffff81527910>] ? thread_return+0x4e/0x76e\r\n [<ffffffff81065df0>] ? default_wake_function+0x0/0x20\r\n [<ffffffffa0371350>] ? taskq_thread+0x0/0x4b0 [spl]\r\n [<ffffffff8109aef6>] kthread+0x96/0xa0\r\n [<ffffffff8100c20a>] child_rip+0xa/0x20\r\n [<ffffffff8109ae60>] ? kthread+0x0/0xa0\r\n [<ffffffff8100c200>] ? child_rip+0x0/0x20\r\n```\r\n\r\nI find the https://github.com/zfsonlinux/zfs/issues/2208 maybe the same problem whit me.\r\n\r\nAL\r\n"},"comment":{"url":"https://api.github.com/repos/zfsonlinux/zfs/issues/comments/94252287","html_url":"https://github.com/zfsonlinux/zfs/issues/2272#issuecomment-94252287","issue_url":"https://api.github.com/repos/zfsonlinux/zfs/issues/2272","id":94252287,"user":{"login":"usrflo","id":1812146,"avatar_url":"https://avatars.githubusercontent.com/u/1812146?v=3","gravatar_id":"","url":"https://api.github.com/users/usrflo","html_url":"https://github.com/usrflo","followers_url":"https://api.github.com/users/usrflo/followers","following_url":"https://api.github.com/users/usrflo/following{/other_user}","gists_url":"https://api.github.com/users/usrflo/gists{/gist_id}","starred_url":"https://api.github.com/users/usrflo/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/usrflo/subscriptions","organizations_url":"https://api.github.com/users/usrflo/orgs","repos_url":"https://api.github.com/users/usrflo/repos","events_url":"https://api.github.com/users/usrflo/events{/privacy}","received_events_url":"https://api.github.com/users/usrflo/received_events","type":"User","site_admin":false},"created_at":"2015-04-19T08:47:34Z","updated_at":"2015-04-19T08:47:34Z","body":"@kernelOfTruth : thanks for so many proposals. I hesitate to test the patchset (#3235) on this productive system.\r\n7 days ago I installed the workaround by patching rsync with the proposed --drop-cache option and didn't experience the problem anymore with drop-cache :sparkles:.\r\n\r\nIf helpful for debugging I can give some more information about my system?\r\n"}}