Hi I am trying on OCFS2 Cluster mount over ISCSI .
Manange to get it configured and up , but whenever i do a write on it, the Kernel Hang. I am using Ubuntu 18, anybody have clue on this : Sep 17 09:14:36 os-compute-01 kernel: [ 673.852812] BUG: unable to handle > kernel paging request at 000008e0000008a8 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.852860] IP: > _raw_spin_lock+0x10/0x30 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.852876] PGD 0 P4D 0 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.852889] Oops: 0002 [#1] SMP > PTI > Sep 17 09:14:36 os-compute-01 kernel: [ 673.852905] Modules linked in: > ocfs2 quota_tree ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager > ocfs2_stackglue bridge ipmi_ssif intel_rapl sb_edac x86_pkg_temp_thermal > intel_powerclamp coretemp kvm_intel kvm irqbypass intel_cstate dcdbas > joydev input_leds intel_rapl_perf ipmi_si ipmi_devintf lpc_ich > ipmi_msghandler mei_me mei ioatdma shpchp acpi_pad mac_hid sch_fq_codel > ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi > scsi_transport_iscsi 8021q garp mrp stp llc bonding ip_tables x_tables > autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy > async_pq async_xor async_tx xor hid_generic usbhid hid raid6_pq libcrc32c > raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul > ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper > cryptd > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853133] ast ttm > drm_kms_helper ixgbe syscopyarea sysfillrect sysimgblt fb_sys_fops mdio igb > drm ahci dca libahci i2c_algo_bit ptp pps_core wmi [last unloaded: > ocfs2_nodemanager] > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853190] CPU: 27 PID: 3337 > Comm: cp Not tainted 4.15.0-117-generic #118-Ubuntu > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853216] Hardware name: Dell > Inc. PowerEdge C6220 II/09N44V, BIOS 2.9.0 6/8/2018 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853243] RIP: > 0010:_raw_spin_lock+0x10/0x30 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853260] RSP: > 0018:ffffbbd88deaf9a8 EFLAGS: 00010246 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853280] RAX: > 0000000000000000 RBX: 000008e000000820 RCX: 00000000ffffffff > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853304] RDX: > 0000000000000001 RSI: 0000000000000009 RDI: 000008e0000008a8 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853327] RBP: > ffffbbd88deaf9a8 R08: 0000000000000000 R09: 0000000000000000 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853351] R10: > 0000000000008000 R11: 000000007465722e R12: 000008e0000008a8 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853375] R13: > ffff9b55d1fb0fd0 R14: ffff9b55d80d7a08 R15: 00000000ffffffff > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853399] FS: > 00007f7873447800(0000) > GS:ffff9b55df4c0000(0000) knlGS:0000000000000000 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853425] CS: 0010 DS: 0000 > ES: 0000 CR0: 0000000080050033 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853445] CR2: > 000008e0000008a8 CR3: 0000002ffa588004 CR4: 00000000001606e0 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853469] Call Trace: > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853488] igrab+0x1e/0x50 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853549] > ocfs2_get_system_file_inode+0x67/0x2f0 > [ocfs2] > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853588] ? > ocfs2_metadata_cache_io_unlock+0x1f/0x30 [ocfs2] > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853623] ? > ocfs2_read_blocks+0x413/0x640 [ocfs2] > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853657] > ocfs2_reserve_suballoc_bits+0x4d/0x420 > [ocfs2] > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853690] > ocfs2_steal_resource+0x7d/0xf0 > [ocfs2] > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853721] > ocfs2_reserve_new_inode+0x183/0x3d0 > [ocfs2] > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853755] ocfs2_mknod+0x583/0x1050 > [ocfs2] > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853786] ocfs2_create+0x47/0x150 > [ocfs2] > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853805] ? > __inode_permission+0x5b/0x160 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853824] ? > apparmor_path_mknod+0x1e/0x20 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853841] > path_openat+0x1529/0x18b0 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853857] ? > ioctl_preallocate+0x74/0xb0 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853875] > do_filp_open+0x9b/0x110 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853892] ? > __check_object_size+0xc8/0x1b0 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853909] ? > __alloc_fd+0x46/0x170 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853924] > do_sys_open+0x1ba/0x2c0 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.853939] ? > do_sys_open+0x1ba/0x2c0 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.854672] SyS_openat+0x14/0x20 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.855393] > do_syscall_64+0x73/0x130 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.856111] > entry_SYSCALL_64_after_hwframe+0x41/0xa6 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.856819] RIP: > 0033:0x7f7872918d9e > Sep 17 09:14:36 os-compute-01 kernel: [ 673.857511] RSP: > 002b:00007fffb82c8430 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.858215] RAX: > ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7872918d9e > Sep 17 09:14:36 os-compute-01 kernel: [ 673.858926] RDX: > 00000000000000c1 RSI: 0000562cc7e38da0 RDI: 00000000ffffff9c > Sep 17 09:14:36 os-compute-01 kernel: [ 673.859643] RBP: > 00007fffb82c88d0 R08: 00007fffb82c8aa0 R09: 0000000000000000 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.860343] R10: > 00000000000001a4 R11: 0000000000000246 R12: 00007fffb82c8aa0 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.861025] R13: > 0000000000000000 R14: 00007fffb82c8a00 R15: 00007fffb82ca835 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.861689] Code: ff 01 00 00 75 > 06 48 89 d8 5b 5d c3 e8 aa 12 72 ff 48 89 d8 5b 5d c3 0f 1f 40 00 0f 1f 44 > 00 00 55 48 89 e5 31 c0 ba 01 00 00 00 <f0> 0f b1 17 85 c0 75 02 5d c3 89 > c6 e8 8f fb 71 ff 66 90 5d c3 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.863032] RIP: > _raw_spin_lock+0x10/0x30 RSP: ffffbbd88deaf9a8 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.863676] CR2: 000008e0000008a8 > Sep 17 09:14:36 os-compute-01 kernel: [ 673.864331] ---[ end trace > 081c42e3eb68c8cd ]--- -- Regards, Hean Seng
