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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...
Indeed it might be ARM related, the models are RN102 and RN202, both are showing the same warnings.
This issue is neither new nor common, but the message is new. The error has no effect on data safety or anything related to that.
In the next firmware release 6.8.1 you should no longer see this message.
I see there is a 6.8.1 beta 1 already in testing. Is there any chance of getting an upgrade linux-image package for this ? I see there is a:
Package: readynasos
Architecture: armel
Version: 6.8.0+2
but the kernel dependency is still the same Pre-Depends: linux-image (= 4.4.79-60800035)
I've just tested the beta 1 release and the warning is still there:
[ 1672.662755] ------------[ cut here ]------------ [ 1672.662800] WARNING: CPU: 0 PID: 4051 at fs/btrfs/qgroup.c:2480 btrfs_qgroup_free_refroot+0x180/0x1b8() [ 1672.662808] Modules linked in: vpd(PO) [ 1672.662828] CPU: 0 PID: 4051 Comm: kworker/u2:9 Tainted: P O 4.4.83.armada.1 #1 [ 1672.662835] Hardware name: Marvell Armada 370/XP (Device Tree) [ 1672.662854] Workqueue: btrfs-extent-refs btrfs_extent_refs_helper [ 1672.662893] [<c0015f24>] (unwind_backtrace) from [<c00120dc>] (show_stack+0x10/0x18) [ 1672.662914] [<c00120dc>] (show_stack) from [<c0392ca0>] (dump_stack+0x78/0x9c) [ 1672.662941] [<c0392ca0>] (dump_stack) from [<c0024928>] (warn_slowpath_common+0x74/0xac) [ 1672.662956] [<c0024928>] (warn_slowpath_common) from [<c002497c>] (warn_slowpath_null+0x1c/0x28) [ 1672.662969] [<c002497c>] (warn_slowpath_null) from [<c0318db8>] (btrfs_qgroup_free_refroot+0x180/0x1b8) [ 1672.662992] [<c0318db8>] (btrfs_qgroup_free_refroot) from [<c028abf4>] (__btrfs_run_delayed_refs+0x328/0x113c) [ 1672.663009] [<c028abf4>] (__btrfs_run_delayed_refs) from [<c02918c0>] (btrfs_run_delayed_refs+0x60/0x2b0) [ 1672.663023] [<c02918c0>] (btrfs_run_delayed_refs) from [<c0291f38>] (delayed_ref_async_start+0xa4/0xb0) [ 1672.663037] [<c0291f38>] (delayed_ref_async_start) from [<c02dbf38>] (normal_work_helper+0x84/0x1a4) [ 1672.663057] [<c02dbf38>] (normal_work_helper) from [<c0037fb4>] (process_one_work+0x11c/0x334) [ 1672.663070] [<c0037fb4>] (process_one_work) from [<c0038238>] (worker_thread+0x34/0x474) [ 1672.663084] [<c0038238>] (worker_thread) from [<c003d2cc>] (kthread+0x104/0x124) [ 1672.663097] [<c003d2cc>] (kthread) from [<c000f568>] (ret_from_fork+0x14/0x2c) [ 1672.663105] ---[ end trace e53b4163435df1aa ]--- [ 1672.663118] BTRFS warning (device md127): qgroup 1860 reserved space underflow, have: 4096, to free: 12288 [ 1672.663197] ------------[ cut here ]------------
Please check again on the next build once that's available.
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