Boot-up screen indicates 'handling fault status reg 2'

Code:

[      1.460870] DMAR: DRHD: handling fault status reg 2[      1.460874] DMAR: [DMA Read] Request device [01:00.0] PASID ffffffff fault addr 0 [fault reason 06] PTE Read access is not set[     10.512912] blk_update_request: I/O error, dev sr0, sector 1329720 op 0x0: (READ) flags 0x80700 phys_seg 1 prio class 0[     17.000943] blk_update_request:I/O error, dev sr0, sector 1329720 op 0x0: (READ) flags 0x0 phys_seg 1 prio class 0[     17.009671] Buffer I/O error on dev sr0, logical block 166215, async page read[     18.720951] blk_update_request: I/O error, dev sr0, sector 2048 op 0x0: (READ) flags 0x80700 phys_seg 1 prio class 0[     19.208926] blk_update_request: I/O error, dev sr0, sector 2048 op 0x0: (READ) flags 0x0 phys_seg 1 prio class 0[     19.208950] Buffer I/O error on dev sr0, logical block 256, async page read[     27.140945] blk_update_request: I/O error, dev sr0, sector 1328640 op 0x0: (READ) flags 0x80700 phys_seg 30 prio class 0[     33.580939] blk_update_request: I/O error, dev sr0, sector 1328640 op 0x0: (READ) flags 0x0 phys_seg 1 prio class 0[     33.580964] Buffer I/O error on dev sr0, logical block 166080, async page read[     34.264942] blk_update_request: I/O error, dev sr0, sector 4096 op 0x0: (READ) flags 0x80700 phys_seg 1 prio class 0[     34.776958] blk_update_request: I/O error, dev sr0, sector 4096 op 0x0: (READ) flags 0x0 phys_seg 1 prio class 0[     34.776981] Buffer I/O error on dev sr0, logical block 512, async page read[     41.256942] blk_update_request: I/O error, dev sr0, sector 1329712 op 0x0: (READ) flags 0x80700 phys_seg 1 prio class 0[     47.732939] blk_update_request: I/O error, dev sr0, sector 1329712 op 0x0: (READ) flags 0x0 phys_seg 1 prio class 0[     47.732967] Buffer I/O error on dev sr0, logical block 166214, async page readRT: clean, 707422/6389760 files, 8852016/255365512 blocksfsckd-cancel-msg:Press Ctrl+C to cancel all filesystem checks in progress[    OK        ] Finished Tell Plymouth To Write Out Runtime Data.[    OK        ] Finished LVM event activation on device 8:19.[    OK        ] Finished Create Volatile Files and Directories.                 Starting Update UMTP about System Boot/Shutdown...[    OK        ] Finished Update UMTP about System Boot/Shutdown.