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6.8.0 Kernel warning
Hello all, There is something wrong in the was the 6.8.0 has been compiled. 6.7.5 has no such issues. Since this is a problem in the BTRFS module I believe this should be fixed asap in order to gice us the peace of mind that our data remains secure. Linux netgear-nas 4.4.79.alpine.1 #1 SMP Mon Jul 31 15:19:36 PDT 2017 armv7l GNU/Linux [20904.832521] ------------[ cut here ]------------ [20904.832536] WARNING: CPU: 0 PID: 4707 at fs/btrfs/qgroup.c:2480 btrfs_qgroup_free_refroot+0x180/0x1a0() [20904.832542] Modules linked in: vpd(PO) [20904.832555] CPU: 0 PID: 4707 Comm: kworker/u2:8 Tainted: P W O 4.4.79.armada.1 #1 [20904.832562] Hardware name: Marvell Armada 370/XP (Device Tree) [20904.832572] Workqueue: btrfs-extent-refs btrfs_extent_refs_helper [20904.832589] [<c0015f24>] (unwind_backtrace) from [<c00120dc>] (show_stack+0x10/0x18) [20904.832603] [<c00120dc>] (show_stack) from [<c0392720>] (dump_stack+0x78/0x9c) [20904.832618] [<c0392720>] (dump_stack) from [<c0024928>] (warn_slowpath_common+0x74/0xac) [20904.832631] [<c0024928>] (warn_slowpath_common) from [<c002497c>] (warn_slowpath_null+0x1c/0x28) [20904.832644] [<c002497c>] (warn_slowpath_null) from [<c0318ae0>] (btrfs_qgroup_free_refroot+0x180/0x1a0) [20904.832658] [<c0318ae0>] (btrfs_qgroup_free_refroot) from [<c028a924>] (__btrfs_run_delayed_refs+0x328/0x113c) [20904.832672] [<c028a924>] (__btrfs_run_delayed_refs) from [<c02915c8>] (btrfs_run_delayed_refs+0x60/0x2b0) [20904.832685] [<c02915c8>] (btrfs_run_delayed_refs) from [<c0291c40>] (delayed_ref_async_start+0xa4/0xb0) [20904.832698] [<c0291c40>] (delayed_ref_async_start) from [<c02dbc28>] (normal_work_helper+0x84/0x1a4) [20904.832712] [<c02dbc28>] (normal_work_helper) from [<c0037f14>] (process_one_work+0x11c/0x334) [20904.832724] [<c0037f14>] (process_one_work) from [<c0038198>] (worker_thread+0x34/0x474) [20904.832736] [<c0038198>] (worker_thread) from [<c003d20c>] (kthread+0x104/0x124) [20904.832747] [<c003d20c>] (kthread) from [<c000f568>] (ret_from_fork+0x14/0x2c) [20904.832754] ---[ end trace b127ec432b47814a ]--- And these messages are being repeated in thei thousands.[BUG] RAID Resync Progress Output in 6.8.0
In my quest to find half usable iSCSI performance on the 3220 (https://community.netgear.com/t5/ReadyNAS-in-Business/RN3220-RN4200-Crippling-iSCSI-Write-Performance/m-p/1289066), I upgraded to FW 6.8.0, blew away the array and rebuilt it - into a RAID 10 this time - and left it re-synching overnight. I came back this morning and this is what the re-sync operation was reporting: If you jump in and out of the tab, the % and timer are still ticking. So it looks like a bug. I assume the UI update algorithm was never correctly informed that the operation was complete and the counters continued ticking.
