Unfortunately still present in mainline 5.0.13 kernel: ------------[ cut here ]------------ kernel BUG at drivers/md/persistent-data/dm-space-map-disk.c:178! invalid opcode: 0000 [#1] SMP PTI CPU: 5 PID: 1675751 Comm: kworker/u128:1 Not tainted 5.0.13-050013-generic #201905051330 Hardware name: Quanta Cloud Technology Inc. QuantaGrid D52B-1U/S5B-MB (LBG-2), BIOS 3A13.Q402 11/16/2018 Workqueue: dm-thin do_worker [dm_thin_pool] RIP: 0010:sm_disk_new_block+0x92/0xa0 [dm_persistent_data] Code: 55 e4 48 83 c0 01 48 89 83 20 22 00 00 49 8b 34 24 e8 82 f7 ff ff 85 c0 75 c4 83 7d e4 01 75 0a 48 83 83 28 22 00 00 01 eb b4 <0f> 0b e8 97 b4 dd c7 0f 1f 80 00 00 00 00 0f 1f 44 00 00 55 48 89 RSP: 0018:ffffb647bb06fca8 EFLAGS: 00010297 RAX: 0000000000000000 RBX: ffff95dc1d9a4000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff95dc347a9a00 RBP: ffffb647bb06fcc8 R08: 0000000000000000 R09: ffffb647bb06fa38 R10: fffff6c3d4ca9080 R11: 0000000000000001 R12: ffffb647bb06fd70 R13: ffffb647bb06fd70 R14: ffff9593a3d6f000 R15: ffff957adcb455b0 FS: 0000000000000000(0000) GS:ffff9593efd40000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c4202d2318 CR3: 00000079b7c0e002 CR4: 00000000007626e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: dm_pool_alloc_data_block+0x3c/0x60 [dm_thin_pool] alloc_data_block.isra.61+0x6c/0x1a0 [dm_thin_pool] process_cell+0x2cd/0x4f0 [dm_thin_pool] ? _cond_resched+0x19/0x30 ? u32_swap+0x10/0x10 ? sort+0x13b/0x220 ? u32_swap+0x10/0x10 do_worker+0x27c/0x900 [dm_thin_pool] ? __switch_to_asm+0x40/0x70 process_one_work+0x20f/0x410 worker_thread+0x34/0x400 kthread+0x120/0x140 ? process_one_work+0x410/0x410 ? __kthread_parkme+0x70/0x70 ret_from_fork+0x35/0x40 Modules linked in: dm_snapshot xt_CHECKSUM xt_nat iptable_nat nf_nat_ipv4 veth dummy bridge ip6table_filter ip6_tables iptable_mangle xt_CT iptable_raw xt_tcpudp xt_conntrack iptable_filter ip_tables x_tables bpfilter vhost_net vhost tap dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio intel_rapl skx_edac nfit x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 crypto_simd cryptd glue_helper intel_cstate ioatdma ipmi_ssif intel_rapl_perf lpc_ich 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 nf_conntrack_proto_gre nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 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 raid10 raid1 i2c_algo_bit ttm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm i40e nvme ahci nvme_core libahci wmi ---[ end trace 678c665ac774d0d4 ]--- RIP: 0010:sm_disk_new_block+0x92/0xa0 [dm_persistent_data] Code: 55 e4 48 83 c0 01 48 89 83 20 22 00 00 49 8b 34 24 e8 82 f7 ff ff 85 c0 75 c4 83 7d e4 01 75 0a 48 83 83 28 22 00 00 01 eb b4 <0f> 0b e8 97 b4 dd c7 0f 1f 80 00 00 00 00 0f 1f 44 00 00 55 48 89 RSP: 0018:ffffb647bb06fca8 EFLAGS: 00010297 RAX: 0000000000000000 RBX: ffff95dc1d9a4000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff95dc347a9a00 RBP: ffffb647bb06fcc8 R08: 0000000000000000 R09: ffffb647bb06fa38 R10: fffff6c3d4ca9080 R11: 0000000000000001 R12: ffffb647bb06fd70 R13: ffffb647bb06fd70 R14: ffff9593a3d6f000 R15: ffff957adcb455b0 FS: 0000000000000000(0000) GS:ffff9593efd40000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c4202d2318 CR3: 00000079b7c0e002 CR4: 00000000007626e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554
-- 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