Hard lockup on virtual system while in pvscsi_queue()

Issue

• Hard lockup on virtual system while in pvscsi_queue():

[5962480.238849] NMI watchdog: Watchdog detected hard LOCKUP on cpu 5
[5962480.238908] Modules linked in:
....
[5962480.238989] CPU: 5 PID: 248923 Comm: kworker/u16:1 Kdump: loaded Tainted: G               ------------ T 3.10.0-1160.el7.x86_64 #1
[5962480.238991] Hardware name: VMware, Inc. VMware7,1/440BX Desktop Reference Platform, BIOS VMW71.00V.17369862.B64.2012240522 12/24/2020
[5962480.238998] Workqueue: writeback bdi_writeback_workfn (flush-253:2)
[5962480.239000] Call Trace:
[5962480.239002]  <NMI>  [<ffffffff99981340>] dump_stack+0x19/0x1b
....
[5962480.239038]  [<ffffffff993174cd>] ? native_queued_spin_lock_slowpath+0x1d/0x200
[5962480.239039]  <EOE>  [<ffffffff9997b37b>] queued_spin_lock_slowpath+0xb/0xf
[5962480.239042]  [<ffffffff99989b17>] _raw_spin_lock_irqsave+0x37/0x40
[5962480.239046]  [<ffffffffc027b1b5>] pvscsi_queue+0x25/0x920 [vmw_pvscsi]
[5962480.239051]  [<ffffffffc03e2f0f>] ? sd_init_command+0x2f/0xc0 [sd_mod]
[5962480.239054]  [<ffffffff996eb081>] ? scsi_setup_cmnd+0x111/0x1c0
[5962480.239055]  [<ffffffff996eb20b>] ? scsi_prep_fn+0xdb/0x180
[5962480.239058]  [<ffffffff996e3980>] scsi_dispatch_cmd+0xb0/0x240
[5962480.239060]  [<ffffffff996ed0ac>] scsi_request_fn+0x4ac/0x680
[5962480.239063]  [<ffffffff99577f8e>] ? deadline_add_request+0x6e/0x90
[5962480.239066]  [<ffffffff995534d9>] __blk_run_queue+0x39/0x50
[5962480.239068]  [<ffffffff995571e3>] blk_queue_bio+0x3b3/0x400
[5962480.239070]  [<ffffffff99555167>] generic_make_request+0x147/0x380
[5962480.239071]  [<ffffffff99555410>] submit_bio+0x70/0x150
[5962480.239125]  [<ffffffffc04d9f31>] xfs_submit_ioend.isra.12+0x61/0xe0 [xfs]
[5962480.239137]  [<ffffffffc04da26f>] xfs_vm_writepages+0x7f/0xa0 [xfs]
[5962480.239139]  [<ffffffff993cade1>] do_writepages+0x21/0x50
[5962480.239141]  [<ffffffff9947d6f0>] __writeback_single_inode+0x40/0x260
[5962480.239143]  [<ffffffff992c6cd5>] ? wake_up_bit+0x25/0x30
[5962480.239145]  [<ffffffff9947e274>] writeback_sb_inodes+0x1c4/0x430
[5962480.239146]  [<ffffffff9947e57f>] __writeback_inodes_wb+0x9f/0xd0
[5962480.239148]  [<ffffffff9947ea53>] wb_writeback+0x263/0x2f0
[5962480.239150]  [<ffffffff9946a67c>] ? get_nr_inodes+0x4c/0x70
[5962480.239152]  [<ffffffff9947f64b>] bdi_writeback_workfn+0x2cb/0x460
....
[5962480.239167] Kernel panic - not syncing: Hard LOCKUP
[5962480.239181] CPU: 5 PID: 248923 Comm: kworker/u16:1 Kdump: loaded Tainted: G               ------------ T 3.10.0-1160.el7.x86_64 #1
[5962480.239210] Hardware name: VMware, Inc. VMware7,1/440BX Desktop Reference Platform, BIOS VMW71.00V.17369862.B64.2012240522 12/24/2020
[5962480.239255] Workqueue: writeback bdi_writeback_workfn (flush-253:2)
[5962480.239272] Call Trace:
[5962480.239280]  <NMI>  [<ffffffff99981340>] dump_stack+0x19/0x1b
....
[5962480.239625]  [<ffffffff993174cd>] ? native_queued_spin_lock_slowpath+0x1d/0x200
[5962480.239642]  <EOE>  [<ffffffff9997b37b>] queued_spin_lock_slowpath+0xb/0xf
[5962480.239673]  [<ffffffff99989b17>] _raw_spin_lock_irqsave+0x37/0x40
[5962480.239691]  [<ffffffffc027b1b5>] pvscsi_queue+0x25/0x920 [vmw_pvscsi]
[5962480.239721]  [<ffffffffc03e2f0f>] ? sd_init_command+0x2f/0xc0 [sd_mod]
[5962480.239738]  [<ffffffff996eb081>] ? scsi_setup_cmnd+0x111/0x1c0
[5962480.239766]  [<ffffffff996eb20b>] ? scsi_prep_fn+0xdb/0x180
[5962480.239781]  [<ffffffff996e3980>] scsi_dispatch_cmd+0xb0/0x240
[5962480.239796]  [<ffffffff996ed0ac>] scsi_request_fn+0x4ac/0x680
[5962480.239824]  [<ffffffff99577f8e>] ? deadline_add_request+0x6e/0x90
[5962480.239839]  [<ffffffff995534d9>] __blk_run_queue+0x39/0x50
[5962480.239866]  [<ffffffff995571e3>] blk_queue_bio+0x3b3/0x400
[5962480.239881]  [<ffffffff99555167>] generic_make_request+0x147/0x380
[5962480.239897]  [<ffffffff99555410>] submit_bio+0x70/0x150
[5962480.239934]  [<ffffffffc04d9f31>] xfs_submit_ioend.isra.12+0x61/0xe0 [xfs]
[5962480.239959]  [<ffffffffc04da26f>] xfs_vm_writepages+0x7f/0xa0 [xfs]
[5962480.239989]  [<ffffffff993cade1>] do_writepages+0x21/0x50
[5962480.240003]  [<ffffffff9947d6f0>] __writeback_single_inode+0x40/0x260
[5962480.240020]  [<ffffffff992c6cd5>] ? wake_up_bit+0x25/0x30
[5962480.240046]  [<ffffffff9947e274>] writeback_sb_inodes+0x1c4/0x430
[5962480.240542]  [<ffffffff9947e57f>] __writeback_inodes_wb+0x9f/0xd0
[5962480.241006]  [<ffffffff9947ea53>] wb_writeback+0x263/0x2f0
[5962480.241468]  [<ffffffff9946a67c>] ? get_nr_inodes+0x4c/0x70
[5962480.241927]  [<ffffffff9947f64b>] bdi_writeback_workfn+0x2cb/0x460
....