Still present in 4.15.0-47-generic even though a number of dm/thin fixes have been backported
kernel: [1120717.622665] Modules linked in: cpuid xt_CHECKSUM xt_nat iptable_nat nf_nat_ipv4 dm_snapshot veth dummy bridge nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables xt_CT iptable_raw iptable_mangle xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack iptable_filter ip_tables x_tables vhost_net vhost tap dm_thin_pool dm_persistent_data intel_rapl dm_bio_prison skx_edac dm_bufio x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc ipmi_ssif aesni_intel aes_x86_64 crypto_simd glue_helper cryptd intel_cstate intel_rapl_perf lpc_ich shpchp ioatdma dca acpi_power_meter acpi_pad mac_hid ipmi_si ipmi_devintf ipmi_msghandler nf_nat_ftp nf_conntrack_ftp nf_nat_sip nf_conntrack_sip nf_nat_pptp nf_conntrack_pptp nf_nat_proto_gre kernel: [1120717.623364] nf_nat nf_conntrack_proto_gre nf_conntrack tcp_htcp 8021q garp mrp stp llc bonding autofs4 btrfs zstd_compress raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid0 multipath linear raid1 raid10 i2c_algo_bit ttm drm_kms_helper i40e syscopyarea sysfillrect sysimgblt fb_sys_fops ptp ahci nvme pps_core drm nvme_core libahci wmi kernel: [1120717.623739] CPU: 40 PID: 1269520 Comm: kworker/u128:2 Not tainted 4.15.0-47-generic #50~16.04.1-Ubuntu kernel: [1120717.623881] Hardware name: Quanta Cloud Technology Inc. QuantaGrid D52B-1U/S5B-MB (LBG-2), BIOS 3A13.Q402 11/16/2018 kernel: [1120717.624035] Workqueue: dm-thin do_worker [dm_thin_pool] kernel: [1120717.624142] RIP: 0010:sm_disk_new_block+0xa1/0xb0 [dm_persistent_data] kernel: [1120717.624245] RSP: 0018:ffffa467364d7c68 EFLAGS: 00010297 kernel: [1120717.624347] RAX: 0000000000000000 RBX: ffff89285e3f8000 RCX: 0000000000000000 kernel: [1120717.624481] RDX: ffff890b51e68000 RSI: 0000000000000282 RDI: ffff8970be770600 kernel: [1120717.624614] RBP: ffffa467364d7c90 R08: 0000000000000000 R09: ffffa467364d79f0 kernel: [1120717.624747] R10: ffffa467364d78f8 R11: ffffa467364d7b48 R12: 0000000000000000 kernel: [1120717.624880] R13: ffffa467364d7d40 R14: ffffa467364d7d40 R15: ffff8921d2ac9460 kernel: [1120717.625015] FS: 0000000000000000(0000) GS:ffff892870400000(0000) knlGS:0000000000000000 kernel: [1120717.625149] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kernel: [1120717.625249] CR2: 00007f864a646000 CR3: 000000806a40a002 CR4: 00000000007626e0 kernel: [1120717.625384] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kernel: [1120717.625517] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kernel: [1120717.625649] PKRU: 55555554 kernel: [1120717.625739] Call Trace: kernel: [1120717.625839] dm_pool_alloc_data_block+0x44/0x60 [dm_thin_pool] kernel: [1120717.625948] alloc_data_block.isra.56+0x6f/0x180 [dm_thin_pool] kernel: [1120717.626053] process_cell+0x2cf/0x4d0 [dm_thin_pool] kernel: [1120717.626157] ? sort+0x165/0x250 kernel: [1120717.626250] do_worker+0x25c/0x8b0 [dm_thin_pool] kernel: [1120717.626351] process_one_work+0x14d/0x410 kernel: [1120717.626451] ? process_discard_cell_passdown+0x1e0/0x1e0 [dm_thin_pool] kernel: [1120717.626557] ? process_one_work+0x14d/0x410 kernel: [1120717.626655] worker_thread+0x4b/0x460 kernel: [1120717.626755] kthread+0x105/0x140 kernel: [1120717.626849] ? process_one_work+0x410/0x410 kernel: [1120717.626947] ? kthread_destroy_worker+0x50/0x50 kernel: [1120717.627050] ret_from_fork+0x35/0x40 kernel: [1120717.627142] Code: c0 01 48 89 83 20 22 00 00 49 8b 75 00 e8 68 f7 ff ff 85 c0 75 10 83 7d dc 01 75 0f 48 83 83 28 22 00 00 01 eb af 41 89 c4 eb aa <0f> 0b e8 a8 34 98 f0 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 kernel: [1120717.627428] RIP: sm_disk_new_block+0xa1/0xb0 [dm_persistent_data] RSP: ffffa467364d7c68 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1777398 Title: dm thin block allocation failure To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1777398/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs