我们有 2 台类似的机器 x10qbi、4 x cpu、1TB RAM、Ubuntu 18 面临软锁定和冻结。已经在 BIOS 中禁用了 ACPI，但没有解决，ASP 自初始设置后就关闭了。
这 2 台机器通过adaptec 面临RAID5 和RAID10 问题（8 个磁盘x 3TB SAS 7200）
watchdog: BUG: soft lockup - CPU#51 stuck for 22s! [pacd:140354]
Modules linked in: macvlan cfg80211 ceph libceph fscache aufs overlay rdma_ucm(OE) ib_ucm(OE) ib_ipoib(OE) ib_umad(OE) esp6_offload esp6 esp4_offload esp4 xfrm_algo mlx5_fpga_
mdev vfio_iommu_type1 vfio mdev(OE) mlx4_en(OE) bonding xfs nls_iso8859_1 intel_rapl sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass ipmi_ssif i
k(OE) intel_rapl_perf mei_me lpc_ich mei shpchp ioatdma ipmi_si mac_hid ipmi_devintf ipmi_msghandler acpi_pad sch_fq_codel nf_nat_pptp nf_nat_proto_gre nf_conntrack_pptp nf_co
dma_cm(OE) iw_cm(OE) ib_cm(OE) iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi knem(OE) ip_tables x_tables autofs4
btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear mlx4_ib(OE) ib_uverbs(OE) ib
f_pclmul crc32_pclmul ghash_clmulni_intel ast hid_generic i2c_algo_bit pcbc ttm usbhid aesni_intel hid drm_kms_helper aes_x86_64 crypto_simd syscopyarea glue_helper ixgbe sysf
sys_fops ptp nvme_core devlink aacraid ahci pps_core drm mlx_compat(OE) libahci mdio wmi
CPU: 51 PID: 140354 Comm: pacd Tainted: G OE 4.15.0-29-generic #31-Ubuntu
Hardware name: Supermicro PIO-848B-TRF4T-ST031/X10QBI, BIOS 3.2a 08/08/2019
RIP: 0010:_raw_spin_unlock_irqrestore+0x15/0x20
RSP: 0018:ffff8d09bf2c3d68 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11
RAX: 00000000ff5e4a5d RBX: ffff8d49ab049b68 RCX: ffff8d09bf2c3d98
RDX: ffff8d49ab049b70 RSI: 0000000000000202 RDI: 0000000000000202
RBP: ffff8d09bf2c3d68 R08: 000000000000000e R09: 0000000000000000
R10: ffff8d09bf2c3c70 R11: 0000000000000073 R12: 00000000ff5e4a5d
R13: 0000000000000202 R14: 0000000000000000 R15: 0000000000000000
FS: 00007ff6c3e9e700(0000) GS:ffff8d09bf2c0000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000152b4038 CR3: 0000003dc5766001 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
__wake_up_common_lock+0x8e/0xc0
__wake_up+0x13/0x20
rwb_wake_all+0x2c/0x60
scale_up.part.20+0x28/0x40
wb_timer_fn+0x21b/0x3d0
? blk_mq_tag_update_depth+0x110/0x110
blk_stat_timer_fn+0x147/0x150
call_timer_fn+0x30/0x130
run_timer_softirq+0x3fb/0x450
? ktime_get+0x43/0xa0
? lapic_next_deadline+0x26/0x30
__do_softirq+0xdf/0x2b2
irq_exit+0xb6/0xc0
smp_apic_timer_interrupt+0x71/0x130
apic_timer_interrupt+0x84/0x90
</IRQ>
RIP: 0010:_raw_spin_unlock_irqrestore+0x15/0x20
RSP: 0018:ffff9a6f5aa7fa68 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11
RAX: 0000000000000202 RBX: ffff9a6f5aa7fac0 RCX: ffff8c8805690000
RDX: 0000000000000000 RSI: 0000000000000202 RDI: 0000000000000202
RBP: ffff9a6f5aa7fa68 R08: 0000000000d00000 R09: ffff8d09bf663440
R10: 0000000000000000 R11: 0000000000000082 R12: ffff8d49ab049b68
R13: 0000000000000002 R14: 0000000000000060 R15: ffff8d49ab049b00
prepare_to_wait_exclusive+0x72/0x80
wbt_wait+0x137/0x350
? wait_woken+0x80/0x80
blk_mq_make_request+0xe0/0x570
generic_make_request+0x124/0x300
submit_bio+0x73/0x150
? submit_bio+0x73/0x150
? xfs_setfilesize_trans_alloc.isra.13+0x3e/0x90 [xfs]
xfs_submit_ioend+0x87/0x1c0 [xfs]
xfs_vm_writepages+0xd1/0xf0 [xfs]
do_writepages+0x4b/0xe0
? iomap_write_begin.constprop.18+0x140/0x140
? iomap_file_buffered_write+0x6e/0xa0
? iomap_write_begin.constprop.18+0x140/0x140
? xfs_iunlock+0xf8/0x100 [xfs]
__filemap_fdatawrite_range+0xc1/0x100
? __filemap_fdatawrite_range+0xc1/0x100
file_write_and_wait_range+0x5a/0xb0
xfs_file_fsync+0x5f/0x230 [xfs]
vfs_fsync_range+0x51/0xb0
do_fsync+0x3d/0x70
SyS_fdatasync+0x13/0x20
do_syscall_64+0x73/0x130
entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x7ff729d273e7
RSP: 002b:00007ff6c3d9ec50 EFLAGS: 00000293 ORIG_RAX: 000000000000004b
RAX: ffffffffffffffda RBX: 0000000000000027 RCX: 00007ff729d273e7
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000027
RBP: 00007ff6c3d9ed30 R08: 0000000000000000 R09: 000000000000002c
R10: 00007ff6bc0008d0 R11: 0000000000000293 R12: 00007ff6c3d9ece0
R13: 00007ff6bc010965 R14: 00007ff6c3d9ed60 R15: 00007ff6bc00e3f0
Code: 47 76 ff ff ff 7f 89 d0 5d c3 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 55 48 89 e5 c6 07 00 0f 1f 40 00 48 89 f7 57 9d <0f> 1f 44 00 00 5d c3 0f 1f 40 00 0f 1f