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ReadyNas RR4312 kernel BUG at fs/btrfs/volumes.c:1538!
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2021-06-11
02:38 AM
2021-06-11
02:38 AM
ReadyNas RR4312 kernel BUG at fs/btrfs/volumes.c:1538!
Hello everyone. Recently, a disaster struck after removing the iSCSI device, the btrfs went into read-only mode. We tried to restore it. After the recovery, we monitored the partitions and saw that everything was normalized and sent the NAS a reboot after which we received this error.
Jun 11 10:13:52 nas02 kernel: ------------[ cut here ]------------ Jun 11 10:13:52 nas02 kernel: kernel BUG at fs/btrfs/volumes.c:1538! Jun 11 10:13:52 nas02 kernel: invalid opcode: 0000 [#1] SMP Jun 11 10:13:52 nas02 kernel: Modules linked in: vpd(PO) Jun 11 10:13:52 nas02 kernel: CPU: 1 PID: 4605 Comm: btrfs-cleaner Tainted: P O 4.4.116.x86_64.1 #1 Jun 11 10:13:52 nas02 kernel: Hardware name: NETGEAR ReadyNAS 4312/ReadyNAS RR3312, BIOS RR3312v112 07/25/2016 Jun 11 10:13:52 nas02 kernel: task: ffff8804585d0cc0 ti: ffff880439ebc000 task.ti: ffff880439ebc000 Jun 11 10:13:52 nas02 kernel: RIP: 0010:[<ffffffff8832bc29>] [<ffffffff8832bc29>] btrfs_remove_chunk+0x279/0x920 Jun 11 10:13:52 nas02 kernel: RSP: 0018:ffff880439ebfd30 EFLAGS: 00010206 Jun 11 10:13:52 nas02 kernel: RAX: 00002f4ec2400000 RBX: ffff88041e8d6e38 RCX: ffff880439ebfcd8 Jun 11 10:13:52 nas02 kernel: RDX: ffff880000000000 RSI: 00000000000063f8 RDI: ffff88041e8d6e38 Jun 11 10:13:52 nas02 kernel: RBP: ffff880439ebfde0 R08: 0000000000008000 R09: ffff880439ebfce8 Jun 11 10:13:52 nas02 kernel: R10: 0000000000000000 R11: 0000000000000006 R12: 00002f4e82400000 Jun 11 10:13:52 nas02 kernel: R13: ffff88007e7dd770 R14: 00000000000000cc R15: 0000000000000001 Jun 11 10:13:52 nas02 kernel: FS: 0000000000000000(0000) GS:ffff88046fc40000(0000) knlGS:0000000000000000 Jun 11 10:13:52 nas02 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jun 11 10:13:52 nas02 kernel: CR2: 00007efd258e8000 CR3: 0000000008e8a000 CR4: 0000000000360670 Jun 11 10:13:52 nas02 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jun 11 10:13:52 nas02 kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Jun 11 10:13:52 nas02 kernel: Stack: Jun 11 10:13:52 nas02 kernel: 00003bdd41c00000 ffff880459ea2048 ffff8804447d67e0 ffff88008c645800 Jun 11 10:13:52 nas02 kernel: 0000000000000000 ffff8804447d7280 000000005d2f20f4 ffff8804578aa000 Jun 11 10:13:52 nas02 kernel: ffff88045cc06000 ffff88045cc07800 00002f4f42400000 ffff88045a0eb820 Jun 11 10:13:52 nas02 kernel: Call Trace: Jun 11 10:13:52 nas02 kernel: [<ffffffff882f1826>] btrfs_delete_unused_bgs+0x346/0x3f0 Jun 11 10:13:52 nas02 kernel: [<ffffffff882f8a80>] cleaner_kthread+0x1c0/0x210 Jun 11 10:13:52 nas02 kernel: [<ffffffff882f88c0>] ? btrfs_destroy_pinned_extent+0xc0/0xc0 Jun 11 10:13:52 nas02 kernel: [<ffffffff88089356>] kthread+0xe6/0x100 Jun 11 10:13:52 nas02 kernel: [<ffffffff88a6f972>] ? __schedule+0x1b2/0x600 Jun 11 10:13:52 nas02 kernel: [<ffffffff88089270>] ? kthread_create_on_node+0x170/0x170 Jun 11 10:13:52 nas02 kernel: [<ffffffff88a731c5>] ret_from_fork+0x55/0x80 Jun 11 10:13:52 nas02 kernel: [<ffffffff88089270>] ? kthread_create_on_node+0x170/0x170 Jun 11 10:13:52 nas02 kernel: Code: 01 e0 48 39 45 a0 77 23 4c 89 ef 4c 89 7d b6 44 88 75 be 4c 89 65 bf e8 96 c2 fa ff e9 30 ff ff ff b8 ea ff ff ff e9 1a fe ff ff <0f> 0b 0f 85 52 06 00 00 49 63 45 40 49 8b 5d 00 31 c9 ba 11 00 Jun 11 10:13:52 nas02 kernel: RIP [<ffffffff8832bc29>] btrfs_remove_chunk+0x279/0x920 Jun 11 10:13:52 nas02 kernel: RSP <ffff880439ebfd30> Jun 11 10:13:52 nas02 kernel: ---[ end trace 1a7510f2406a55af ]---
The ability to mount or call the btrfs command was lost. Tell me what to do?
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