** Description changed: + SRU Justification + + [Impact] + + * Seeing task txg_sync:696 blocked for > 120 seconds in some instances. + Logs included below SRU justification + + [Fix] + + * Backport 08fd5ccc38c3: "Improve performance for zpool trim on linux" + * Backport 370869c56dc8: "vdev_disk: ensure trim errors are returned immediately" + + [Test Plan] + + * Compile tested + * Run through autopkgtest regression tests + + [Regression potential] + + * Changes isolated, minimal regression risk. Changes already in upstream + ZFS + [43501.152595] INFO: task txg_sync:696 blocked for more than 122 seconds. [43501.152613] Tainted: P IO 6.8.0-45-generic #45-Ubuntu [43501.152616] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [43501.152618] task:txg_sync state:D stack:0 pid:696 tgid:696 ppid:2 flags:0x00004000 [43501.152625] Call Trace: [43501.152628] <TASK> [43501.152633] __schedule+0x27c/0x6b0 [43501.152644] schedule+0x33/0x110 [43501.152649] schedule_timeout+0x95/0x170 [43501.152653] ? __pfx_process_timeout+0x10/0x10 [43501.152660] io_schedule_timeout+0x51/0x80 [43501.152666] __cv_timedwait_common+0x139/0x180 [spl] [43501.152696] ? __pfx_autoremove_wake_function+0x10/0x10 [43501.152702] __cv_timedwait_io+0x19/0x30 [spl] [43501.152725] zio_wait+0x119/0x230 [zfs] [43501.153184] spa_sync_frees+0x3f/0x90 [zfs] [43501.153635] spa_sync_iterate_to_convergence+0x10b/0x220 [zfs] [43501.154067] spa_sync+0x321/0x620 [zfs] [43501.154502] txg_sync_thread+0x1e7/0x250 [zfs] [43501.154926] ? __pfx_txg_sync_thread+0x10/0x10 [zfs] [43501.155347] ? __pfx_thread_generic_wrapper+0x10/0x10 [spl] [43501.155386] thread_generic_wrapper+0x5f/0x70 [spl] [43501.155415] kthread+0xf2/0x120 [43501.155421] ? __pfx_kthread+0x10/0x10 [43501.155425] ret_from_fork+0x47/0x70 [43501.155429] ? __pfx_kthread+0x10/0x10 [43501.155433] ret_from_fork_asm+0x1b/0x30 [43501.155440] </TASK> [43501.155443] INFO: task vdev_autotrim:710 blocked for more than 122 seconds. [43501.155447] Tainted: P IO 6.8.0-45-generic #45-Ubuntu [43501.155449] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [43501.155451] task:vdev_autotrim state:D stack:0 pid:710 tgid:710 ppid:2 flags:0x00004000 [43501.155456] Call Trace: [43501.155459] <TASK> [43501.155461] __schedule+0x27c/0x6b0 [43501.155468] schedule+0x33/0x110 [43501.155472] cv_wait_common+0x102/0x140 [spl] [43501.155494] ? __pfx_autoremove_wake_function+0x10/0x10 [43501.155501] __cv_wait+0x15/0x30 [spl] [43501.155522] vdev_autotrim_wait_kick+0x4d/0xb0 [zfs] [43501.155943] vdev_autotrim_thread+0x44e/0x7b0 [zfs] [43501.156373] ? __pfx_vdev_autotrim_thread+0x10/0x10 [zfs] [43501.156793] ? __pfx_thread_generic_wrapper+0x10/0x10 [spl] [43501.156821] thread_generic_wrapper+0x5f/0x70 [spl] [43501.156849] kthread+0xf2/0x120 [43501.156853] ? __pfx_kthread+0x10/0x10 [43501.156857] ret_from_fork+0x47/0x70 [43501.156861] ? __pfx_kthread+0x10/0x10 [43501.156864] ret_from_fork_asm+0x1b/0x30 [43501.156870] </TASK> [43624.033465] INFO: task txg_sync:696 blocked for more than 245 seconds. [43624.033479] Tainted: P IO 6.8.0-45-generic #45-Ubuntu [43624.033483] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [43624.033486] task:txg_sync state:D stack:0 pid:696 tgid:696 ppid:2 flags:0x00004000 [43624.033494] Call Trace: [43624.033498] <TASK> [43624.033504] __schedule+0x27c/0x6b0 [43624.033517] schedule+0x33/0x110 [43624.033522] schedule_timeout+0x95/0x170 [43624.033528] ? __pfx_process_timeout+0x10/0x10 [43624.033537] io_schedule_timeout+0x51/0x80 [43624.033545] __cv_timedwait_common+0x139/0x180 [spl] [43624.033583] ? __pfx_autoremove_wake_function+0x10/0x10 [43624.033588] __cv_timedwait_io+0x19/0x30 [spl] [43624.033612] zio_wait+0x119/0x230 [zfs] [43624.034070] spa_sync_frees+0x3f/0x90 [zfs] [43624.034510] spa_sync_iterate_to_convergence+0x10b/0x220 [zfs] [43624.034939] spa_sync+0x321/0x620 [zfs] [43624.035373] txg_sync_thread+0x1e7/0x250 [zfs] [43624.035796] ? __pfx_txg_sync_thread+0x10/0x10 [zfs] [43624.036224] ? __pfx_thread_generic_wrapper+0x10/0x10 [spl] [43624.036255] thread_generic_wrapper+0x5f/0x70 [spl] [43624.036283] kthread+0xf2/0x120 [43624.036289] ? __pfx_kthread+0x10/0x10 [43624.036293] ret_from_fork+0x47/0x70 [43624.036297] ? __pfx_kthread+0x10/0x10 [43624.036301] ret_from_fork_asm+0x1b/0x30 [43624.036308] </TASK> [43624.036311] INFO: task vdev_autotrim:710 blocked for more than 245 seconds. [43624.036315] Tainted: P IO 6.8.0-45-generic #45-Ubuntu [43624.036318] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [43624.036321] task:vdev_autotrim state:D stack:0 pid:710 tgid:710 ppid:2 flags:0x00004000 [43624.036326] Call Trace: [43624.036327] <TASK> [43624.036330] __schedule+0x27c/0x6b0 [43624.036336] schedule+0x33/0x110 [43624.036341] cv_wait_common+0x102/0x140 [spl] [43624.036362] ? __pfx_autoremove_wake_function+0x10/0x10 [43624.036368] __cv_wait+0x15/0x30 [spl] [43624.036390] vdev_autotrim_wait_kick+0x4d/0xb0 [zfs] [43624.036809] vdev_autotrim_thread+0x44e/0x7b0 [zfs] [43624.037240] ? __pfx_vdev_autotrim_thread+0x10/0x10 [zfs] [43624.037679] ? __pfx_thread_generic_wrapper+0x10/0x10 [spl] [43624.037708] thread_generic_wrapper+0x5f/0x70 [spl] [43624.037736] kthread+0xf2/0x120 [43624.037740] ? __pfx_kthread+0x10/0x10 [43624.037744] ret_from_fork+0x47/0x70 [43624.037748] ? __pfx_kthread+0x10/0x10 [43624.037751] ret_from_fork_asm+0x1b/0x30 [43624.037757] </TASK> [43746.914305] INFO: task vdev_autotrim:710 blocked for more than 368 seconds. [43746.914320] Tainted: P IO 6.8.0-45-generic #45-Ubuntu [43746.914324] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [43746.914327] task:vdev_autotrim state:D stack:0 pid:710 tgid:710 ppid:2 flags:0x00004000 [43746.914335] Call Trace: [43746.914339] <TASK> [43746.914345] __schedule+0x27c/0x6b0 [43746.914360] schedule+0x33/0x110 [43746.914366] cv_wait_common+0x102/0x140 [spl] [43746.914398] ? __pfx_autoremove_wake_function+0x10/0x10 [43746.914405] __cv_wait+0x15/0x30 [spl] [43746.914427] vdev_autotrim_wait_kick+0x4d/0xb0 [zfs] [43746.914928] vdev_autotrim_thread+0x44e/0x7b0 [zfs] [43746.915387] ? __pfx_vdev_autotrim_thread+0x10/0x10 [zfs] [43746.915829] ? __pfx_thread_generic_wrapper+0x10/0x10 [spl] [43746.915862] thread_generic_wrapper+0x5f/0x70 [spl] [43746.915891] kthread+0xf2/0x120 [43746.915896] ? __pfx_kthread+0x10/0x10 [43746.915900] ret_from_fork+0x47/0x70 [43746.915905] ? __pfx_kthread+0x10/0x10 [43746.915909] ret_from_fork_asm+0x1b/0x30 [43746.915915] </TASK> [43746.916012] INFO: task rsync:37630 blocked for more than 122 seconds. [43746.916016] Tainted: P IO 6.8.0-45-generic #45-Ubuntu [43746.916019] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [43746.916021] task:rsync state:D stack:0 pid:37630 tgid:37630 ppid:37629 flags:0x00000002 [43746.916027] Call Trace: [43746.916029] <TASK> [43746.916031] __schedule+0x27c/0x6b0 [43746.916050] schedule+0x33/0x110 [43746.916055] cv_wait_common+0x102/0x140 [spl] [43746.916078] ? __pfx_autoremove_wake_function+0x10/0x10 [43746.916084] __cv_wait+0x15/0x30 [spl] [43746.916106] dmu_tx_wait+0x8b/0x1e0 [zfs] [43746.916522] dmu_tx_assign+0x48/0x80 [zfs] [43746.916930] zfs_write+0x4c6/0xd00 [zfs] [43746.917362] zpl_iter_write+0x10c/0x150 [zfs] [43746.917776] vfs_write+0x2a8/0x480 [43746.917783] ksys_write+0x73/0x100 [43746.917788] __x64_sys_write+0x19/0x30 [43746.917791] x64_sys_call+0x7e/0x25c0 [43746.917794] do_syscall_64+0x7f/0x180 [43746.917800] ? do_syscall_64+0x8c/0x180 [43746.917804] ? do_syscall_64+0x8c/0x180 [43746.917808] ? common_interrupt+0x54/0xb0 [43746.917812] entry_SYSCALL_64_after_hwframe+0x78/0x80 [43746.917820] RIP: 0033:0x7d19f991c574 [43746.917839] RSP: 002b:00007ffc7c30d6a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [43746.917843] RAX: ffffffffffffffda RBX: 00006271ac857840 RCX: 00007d19f991c574 [43746.917846] RDX: 0000000000040000 RSI: 00006271ac857840 RDI: 0000000000000001 [43746.917848] RBP: 00007ffc7c30d6d0 R08: 0000000000008000 R09: 00006271ac8577b0 [43746.917850] R10: 00006271ac857970 R11: 0000000000000202 R12: 0000000000000001 [43746.917852] R13: 00006271ac84f830 R14: 0000000000000000 R15: 0000000000008000 [43746.917857] </TASK> ProblemType: Bug DistroRelease: Ubuntu 24.04 Package: linux-image-6.8.0-45-generic 6.8.0-45.45 ProcVersionSignature: Ubuntu 6.8.0-45.45-generic 6.8.12 Uname: Linux 6.8.0-45-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia zfs ApportVersion: 2.28.1-0ubuntu3.1 Architecture: amd64 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/seq: js1 1865 F.... pipewire - /dev/snd/controlC1: js1 1868 F.... wireplumber - /dev/snd/controlC0: js1 1868 F.... wireplumber + USER PID ACCESS COMMAND + /dev/snd/seq: js1 1865 F.... pipewire + /dev/snd/controlC1: js1 1868 F.... wireplumber + /dev/snd/controlC0: js1 1868 F.... wireplumber CasperMD5CheckResult: unknown CurrentDesktop: KDE Date: Mon Sep 23 00:28:22 2024 HibernationDevice: RESUME=none InstallationDate: Installed on 2022-09-23 (730 days ago) InstallationMedia: Kubuntu 20.04.4 LTS "Focal Fossa" - Release amd64 (20220223) MachineType: Dell Inc. Precision WorkStation T7500 ProcFB: 0 simpledrmdrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.8.0-45-generic root=UUID=8d4e3d24-75d2-481d-a49e-13f00a18f0a3 ro ipv6.disable=1 quiet splash vt.handoff=7 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: - linux-restricted-modules-6.8.0-45-generic N/A - linux-backports-modules-6.8.0-45-generic N/A - linux-firmware 20240318.git3b128b60-0ubuntu2.3 + linux-restricted-modules-6.8.0-45-generic N/A + linux-backports-modules-6.8.0-45-generic N/A + linux-firmware 20240318.git3b128b60-0ubuntu2.3 RfKill: - 0: phy0: Wireless LAN - Soft blocked: no - Hard blocked: no + 0: phy0: Wireless LAN + Soft blocked: no + Hard blocked: no SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/15/2018 dmi.bios.release: 0.0 dmi.bios.vendor: Dell Inc. dmi.bios.version: A18 dmi.board.name: 0D881F dmi.board.vendor: Dell Inc. dmi.board.version: A05 dmi.chassis.type: 7 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA18:bd10/15/2018:br0.0:svnDellInc.:pnPrecisionWorkStationT7500:pvr:rvnDellInc.:rn0D881F:rvrA05:cvnDellInc.:ct7:cvr:sku: dmi.product.name: Precision WorkStation T7500 dmi.sys.vendor: Dell Inc.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2081678 Title: task txg_sync:696 blocked To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2081678/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
