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 uEt4MJJ6 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, kernel test robot noticed "RIP:check_flush_dependency" on: commit: fadd60891595f20eece57c413cc7654e82bf3ea2 ("[PATCH v2] mm/vmalloc: u= se dedicated unbound workqueue for vmap area draining") url: https://github.com/intel-lab-lkp/linux/commits/lirongqing/mm-vmalloc-u= se-dedicated-unbound-workqueue-for-vmap-area-draining/20260319-194106 base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git 8a30a= eb0d1b4e4aaf7f7bae72f20f2ae75385ccb patch link: https://lore.kernel.org/all/20260319074307.2325-1-lirongqing@ba= idu.com/ patch subject: [PATCH v2] mm/vmalloc: use dedicated unbound workqueue for v= map area draining in testcase: blktests version: blktests-x86_64-7baa454-1_20260320 with following parameters: test: zbd-009 config: x86_64-rhel-9.4-func compiler: gcc-14 test machine: 4 threads Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz (Skylake) w= ith 32G memory (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue in a separate patch/commit (i.e. not just a new versio= n of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202603242123.12c0dd46-lkp@intel.co= m The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20260324/202603242123.12c0dd46-lkp@= intel.com [ 68.342260][ T44] ------------[ cut here ]------------ [ 68.347550][ T44] workqueue: WQ_MEM_RECLAIM vmap_drain:drain_vmap_area= _work is flushing !WQ_MEM_RECLAIM events:purge_vmap_node [ 68.347558][ T44] WARNING: kernel/workqueue.c:3801 at check_flush_depe= ndency+0x1bb/0x330, CPU#1: kworker/u16:3/44 [ 68.370043][ T44] Modules linked in: scsi_debug(-) null_blk loop binfm= t_misc snd_hda_codec_intelhdmi snd_hda_codec_hdmi snd_ctl_led snd_hda_codec= _alc269 snd_hda_codec_realtek_lib snd_hda_scodec_component snd_hda_codec_ge= neric btrfs libblake2b intel_rapl_msr xor intel_rapl_common zstd_compress p= latform_profile x86_pkg_temp_thermal intel_powerclamp raid6_pq coretemp i91= 5 dell_wmi sd_mod sg snd_hda_intel kvm_intel intel_gtt snd_soc_avs rfkill d= ell_smbios dcdbas snd_soc_hda_codec drm_buddy snd_hda_ext_core mei_wdt snd_= hda_codec wmi_bmof dell_smm_hwmon dell_wmi_descriptor ttm sparse_keymap kvm= snd_hda_core snd_intel_dspcfg drm_display_helper snd_intel_sdw_acpi snd_hw= dep irqbypass ghash_clmulni_intel rapl intel_cstate ahci snd_soc_core intel= _pmc_core cec snd_compress drm_client_lib pmt_telemetry snd_pcm drm_kms_hel= per libahci snd_timer pmt_discovery intel_uncore pmt_class pcspkr video i2c= _i801 intel_pmc_ssram_telemetry libata snd mei_me intel_vsec acpi_pad i2c_s= mbus intel_pch_thermal mei wmi soundcore drm fuse nfnetlink [ 68.370231][ T44] [last unloaded: scsi_debug] [ 68.464263][ T44] CPU: 1 UID: 0 PID: 44 Comm: kworker/u16:3 Tainted: G= S 7.0.0-rc4-00075-gfadd60891595 #1 PREEMPT(lazy)=20 [ 68.476704][ T44] Tainted: [S]=3DCPU_OUT_OF_SPEC [ 68.481292][ T44] Hardware name: Dell Inc. OptiPlex 7040/0Y7WYT, BIOS = 1.8.1 12/05/2017 [ 68.489337][ T44] Workqueue: vmap_drain drain_vmap_area_work [ 68.495137][ T44] RIP: 0010:check_flush_dependency+0x1c9/0x330 [ 68.501713][ T44] Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0= f 85 4f 01 00 00 48 8d 3d 65 c6 0d 05 48 8b 55 18 48 81 c6 c0 00 00 00 4d 8= 9 f8 <67> 48 0f b9 3a 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc [ 68.521058][ T44] RSP: 0018:ffffc90000357b50 EFLAGS: 00010086 [ 68.526946][ T44] RAX: dffffc0000000000 RBX: ffff88810c9a9500 RCX: fff= f88810c8820c0 [ 68.534730][ T44] RDX: ffffffff81e33510 RSI: ffff88810c9accc0 RDI: fff= fffff86670070 [ 68.542511][ T44] RBP: ffff88810d566000 R08: ffffffff81e31890 R09: fff= fed102191130b [ 68.550295][ T44] R10: ffff88810c88985f R11: 0000000000000040 R12: fff= f88810d8a8000 [ 68.558082][ T44] R13: ffff88810c882000 R14: ffff88810d8a802c R15: fff= fffff81e31890 [ 68.565865][ T44] FS: 0000000000000000(0000) GS:ffff8887fa56f000(0000= ) knlGS:0000000000000000 [ 68.574596][ T44] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.580998][ T44] CR2: 000056337e5a7918 CR3: 000000081a872003 CR4: 000= 00000003726f0 [ 68.588779][ T44] Call Trace: [ 68.591900][ T44] [ 68.594681][ T44] __flush_work+0x50c/0x8f0 [ 68.599013][ T44] ? purge_vmap_node+0x6f5/0xab0 [ 68.603780][ T44] ? __pfx___flush_work+0x10/0x10 [ 68.608638][ T44] ? __pfx_purge_vmap_node+0x10/0x10 [ 68.613753][ T44] ? _raw_spin_lock+0x80/0xf0 [ 68.618268][ T44] __purge_vmap_area_lazy+0x723/0xaf0 [ 68.623486][ T44] drain_vmap_area_work+0x21/0x30 [ 68.628347][ T44] process_one_work+0x6b4/0xff0 [ 68.633030][ T44] ? assign_work+0x131/0x3f0 [ 68.637461][ T44] worker_thread+0x51d/0xdb0 [ 68.641894][ T44] ? __kthread_parkme+0xb1/0x1f0 [ 68.646660][ T44] ? __pfx_worker_thread+0x10/0x10 [ 68.651597][ T44] ? __pfx_worker_thread+0x10/0x10 [ 68.656535][ T44] kthread+0x353/0x470 [ 68.660436][ T44] ? recalc_sigpending+0x159/0x1f0 [ 68.665377][ T44] ? __pfx_kthread+0x10/0x10 [ 68.669795][ T44] ret_from_fork+0x32f/0x670 [ 68.674215][ T44] ? __pfx_ret_from_fork+0x10/0x10 [ 68.679164][ T44] ? switch_fpu+0x13/0x1f0 [ 68.683412][ T44] ? __switch_to+0x4c9/0xe70 [ 68.687831][ T44] ? __switch_to_asm+0x33/0x70 [ 68.692426][ T44] ? __pfx_kthread+0x10/0x10 [ 68.696845][ T44] ret_from_fork_asm+0x1a/0x30 [ 68.701454][ T44] [ 68.704333][ T44] ---[ end trace 0000000000000000 ]--- --=20 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki