System crashed with error 'kernel BUG at drivers/scsi/sd.c:846!'
Issue
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After extending the lvm volume, users are no longer able to mount the filesystem.
The mount command gets hung, and then crashes the system:EXT4-fs (dm-77): recovery complete EXT4-fs (dm-77): mounted filesystem with ordered data mode. Opts: (null) ------------[ cut here ]------------ kernel BUG at drivers/scsi/sd.c:846! invalid opcode: 0000 [#1] SMP Modules linked in: [...] dm_mirror dm_region_hash dm_log dm_mod fuse CPU: 5 PID: 2937 Comm: kdmwork-253:6 Kdump: loaded Tainted: G O ------------ 3.10.0-1160.83.1.el7.x86_64 #1 Hardware name: Dell Inc. PowerEdge R640/0W23H8, BIOS 1.4.5 03/30/2018 task: ffff8bb8b45f5280 ti: ffff8bb8b9b64000 task.ti: ffff8bb8b9b64000 RIP: 0010:[<ffffffffc02acb76>] [<ffffffffc02acb76>] sd_setup_write_same_cmnd+0x156/0x160 [sd_mod] RSP: 0018:ffff8bb8b9b67c80 EFLAGS: 00010006 RAX: 0000000000001000 RBX: ffff8ba8a623cd80 RCX: ffff8bb8a5b15510 RDX: ffff8ba244b2a000 RSI: ffff8ba8b506b000 RDI: ffff8bb8b684a080 RBP: ffff8bb8b9b67c90 R08: 000000000000f100 R09: 0000000000000000 R10: ffff8bb8a8c0daf8 R11: 0000000000000005 R12: 0000000000180000 R13: ffff8ba244b2a000 R14: ffff8ba244b2a148 R15: ffff8bb8b89b20e8 FS: 0000000000000000(0000) GS:ffff8bb8bd680000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000006dee20 CR3: 00000009c4810000 CR4: 00000000007607e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 00000000 Call Trace: [<ffffffffc02af0d5>] sd_init_command+0xb5/0xc0 [sd_mod] [<ffffffffaa70a5b9>] scsi_setup_cmnd+0x119/0x1d0 [<ffffffffaa70a74b>] scsi_prep_fn+0xdb/0x190 [<ffffffffaa56b81a>] blk_peek_request+0x17a/0x2b0 [<ffffffffaa70c228>] scsi_request_fn+0x48/0x680 [<ffffffffaa567950>] ? part_round_stats+0xb0/0x100 [<ffffffffaa568159>] __blk_run_queue+0x39/0x50 [<ffffffffaa5632e3>] __elv_add_request+0xd3/0x260 [<ffffffffaa56b3d8>] blk_insert_cloned_request+0xe8/0x1a0 [<ffffffffc013c222>] map_request+0x162/0x300 [dm_mod] [<ffffffffc013c3d6>] map_tio_request+0x16/0x40 [dm_mod] [<ffffffffaa2cb8f5>] kthread_worker_fn+0x85/0x190 [<ffffffffaa2cb870>] ? kthread_stop+0xf0/0xf0 [<ffffffffaa2cb511>] kthread+0xd1/0xe0 [<ffffffffaa2cb440>] ? insert_kthread_work+0x40/0x40 [<ffffffffaa9c51dd>] ret_from_fork_nospec_begin+0x7/0x21 [<ffffffffaa2cb440>] ? insert_kthread_work+0x40/0x40 Code: 01 41 48 8b 8f d0 00 00 00 44 89 41 02 48 8b 8f d0 00 00 00 66 89 41 07 eb 8e 0f 1f 00 5b 41 5c b8 01 00 00 00 5d c3 cc cc cc cc <0f> 0b 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 31 f6 48 89 RIP [<ffffffffc02acb76>] sd_setup_write_same_cmnd+0x156/0x160 [sd_mod] RSP <ffff8bb8b9b67c80>
Environment
- Red Hat Enterprise Linux 7
- Logical Volume Manager (LVM2)
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