Kernel panic at lov_io_init() provided by unsigned kernel module [lov]

Solution Verified - Updated -

Issue

  • Kernel panics with the following messages:
[819959.117727] general protection fault, probably for non-canonical address 0x5a5a5a5a5a5a5a5a: 0000 [#1] SMP NOPTI
[--]
[819959.118253] RIP: 0010:lov_io_init+0x1d7/0x460 [lov]
[--]
[819959.119506] Call Trace:
[819959.119616]  ? cl_io_init0.isra.17+0xa6/0x160 [obdclass]
[819959.119774]  ? cl_sync_file_range+0x22e/0x340 [lustre]
[819959.119920]  ? ll_writepages+0x17f/0x200 [lustre]
[819959.120064]  ? do_writepages+0xc6/0x1d0
[819959.120181]  ? __wb_calc_thresh+0x3a/0x130
[819959.120296]  ? __writeback_single_inode+0x39/0x300
[819959.120413]  ? writeback_sb_inodes+0x1ea/0x450
[819959.120530]  ? __writeback_inodes_wb+0x5f/0xd0
[819959.120647]  ? wb_writeback+0x24c/0x2e0
[819959.120763]  ? wb_workfn+0x35c/0x4e0
[819959.120879]  ? process_one_work+0x1a7/0x360
[819959.121000]  ? create_worker+0x1a0/0x1a0
[819959.121125]  ? worker_thread+0x1f9/0x390
[819959.121246]  ? create_worker+0x1a0/0x1a0
[819959.121366]  ? kthread+0x134/0x150
[819959.121487]  ? set_kthread_struct+0x50/0x50
[819959.121609]  ? ret_from_fork+0x35/0x40
[819959.121735] Modules linked in: mptcp_diag xsk_diag tcp_diag udp_diag raw_diag inet_diag unix_diag af_packet_diag netlink_diag overlay mmfs26(OE) mmfslinux(OE) tracedev(OE) socwatch2_15(OE) vtsspp(OE) sep5(OE) socperf3(OE) pax(OE) mgc(OE) lustre(OE) mdc(OE) fid(OE) lov(OE) osc(OE) lmv(OE) fld(OE) ko2iblnd(OE) ptlrpc(OE) obdclass(OE) lnet(OE) libcfs(OE) uio_pci_generic uio vfio_pci vfio_virqfd vfio_iommu_type1 vfio cuse cfg80211 rfkill rdma_ucm(OE) rdma_cm(OE) iw_cm(OE) ib_ipoib(OE) ib_cm(OE) ib_umad(OE) mlx5_ib(OE) ib_uverbs(OE) intel_rapl_msr ib_core(OE) intel_rapl_common ipmi_ssif edac_mce_amd amd_energy mgag200 drm_shmem_helper kvm_amd drm_kms_helper kvm cdc_eem syscopyarea irqbypass sysfillrect usbnet crc32_pclmul sysimgblt fb_sys_fops mii drm mlx5_core(OE) acpi_ipmi rapl mlxdevm(OE) ipmi_si mlx_compat(OE) [--]

Environment

  • Red Hat Enterprise Linux 8
  • Third-party kernel module: [lov]

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