[ 7.072624] =================================================== [ 7.072630] DEPT: Circular dependency has been detected. [ 7.072631] 5.17.0-rc1-00014-gcf3441bb2012 #2 Tainted: G W [ 7.072635] --------------------------------------------------- [ 7.072636] summary [ 7.072636] --------------------------------------------------- [ 7.072637] *** DEADLOCK *** [ 7.072637] [ 7.072638] context A [ 7.072640] [S] (unknown)(&(&journal->j_wait_commit)->dmap:0) [ 7.072643] [W] folio_wait_bit_common(pgwriteback:0) [ 7.072644] [E] event(&(&journal->j_wait_commit)->dmap:0) [ 7.072646] [ 7.072647] context B [ 7.072647] [S] __raw_write_lock(&journal->j_state_lock:8) [ 7.072649] [W] wait(&(&journal->j_wait_commit)->dmap:0) [ 7.072654] [E] write_unlock(&journal->j_state_lock:8) [ 7.072656] [ 7.072657] context C [ 7.072658] [S] (unknown)(pgwriteback:0) [ 7.072659] [W] __raw_read_lock(&journal->j_state_lock:8) [ 7.072661] [E] folio_wake_bit(pgwriteback:0) [ 7.072663] [ 7.072663] [S]: start of the event context [ 7.072664] [W]: the wait blocked [ 7.072665] [E]: the event not reachable [ 7.072666] --------------------------------------------------- [ 7.072667] context A's detail [ 7.072668] --------------------------------------------------- [ 7.072669] context A [ 7.072670] [S] (unknown)(&(&journal->j_wait_commit)->dmap:0) [ 7.072672] [W] folio_wait_bit_common(pgwriteback:0) [ 7.072674] [E] event(&(&journal->j_wait_commit)->dmap:0) [ 7.072675] [ 7.072676] [S] (unknown)(&(&journal->j_wait_commit)->dmap:0): [ 7.072678] (N/A) [ 7.072679] [ 7.072680] [W] folio_wait_bit_common(pgwriteback:0): [ 7.072681] [<ffffffff811ae2e2>] folio_wait_writeback+0x52/0xb0 [ 7.072688] stacktrace: [ 7.072689] folio_wait_bit+0x1ea/0x2a0 [ 7.072692] folio_wait_writeback+0x52/0xb0 [ 7.072695] __filemap_fdatawait_range+0x6d/0xc0 [ 7.072701] file_write_and_wait_range+0x90/0xc0 [ 7.072703] ext4_sync_file+0x1b5/0x410 [ 7.072708] do_fsync+0x33/0x60 [ 7.072712] __x64_sys_fsync+0xb/0x10 [ 7.072715] do_syscall_64+0x3a/0x90 [ 7.072719] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 7.072723] [ 7.072724] [E] event(&(&journal->j_wait_commit)->dmap:0): [ 7.072725] [<ffffffff810baa53>] __wake_up_common+0x93/0x1a0 [ 7.072728] stacktrace: [ 7.072729] dept_event+0x12b/0x1f0 [ 7.072733] __wake_up_common+0xb0/0x1a0 [ 7.072735] __wake_up_common_lock+0x65/0x90 [ 7.072737] __jbd2_log_start_commit+0x8a/0xa0 [ 7.072740] jbd2_log_start_commit+0x24/0x40 [ 7.072742] jbd2_complete_transaction+0x79/0x90 [ 7.072745] ext4_fc_commit+0x329/0x940 [ 7.072748] ext4_sync_file+0x29f/0x410 [ 7.072751] do_fsync+0x33/0x60 [ 7.072754] __x64_sys_fsync+0xb/0x10 [ 7.072757] do_syscall_64+0x3a/0x90 [ 7.072759] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 7.072762] --------------------------------------------------- [ 7.072763] context B's detail [ 7.072764] --------------------------------------------------- [ 7.072765] context B [ 7.072766] [S] __raw_write_lock(&journal->j_state_lock:8) [ 7.072768] [W] wait(&(&journal->j_wait_commit)->dmap:0) [ 7.072769] [E] write_unlock(&journal->j_state_lock:8) [ 7.072771] [ 7.072772] [S] __raw_write_lock(&journal->j_state_lock:8): [ 7.072773] [<ffffffff81346e9e>] kjournald2+0x7e/0x260 [ 7.072776] stacktrace: [ 7.072777] _raw_write_lock+0x6e/0x90 [ 7.072779] kjournald2+0x7e/0x260 [ 7.072781] kthread+0xe3/0x110 [ 7.072785] ret_from_fork+0x22/0x30 [ 7.072789] [ 7.072789] [W] wait(&(&journal->j_wait_commit)->dmap:0): [ 7.072791] [<ffffffff810bb017>] prepare_to_wait+0x47/0xd0 [ 7.072794] stacktrace: [ 7.072795] kjournald2+0x164/0x260 [ 7.072797] kthread+0xe3/0x110 [ 7.072800] ret_from_fork+0x22/0x30 [ 7.072802] [ 7.072802] [E] write_unlock(&journal->j_state_lock:8): [ 7.072804] [<ffffffff8134700b>] kjournald2+0x1eb/0x260 [ 7.072806] stacktrace: [ 7.072807] _raw_write_unlock+0x30/0x70 [ 7.072810] kjournald2+0x1eb/0x260 [ 7.072812] kthread+0xe3/0x110 [ 7.072814] ret_from_fork+0x22/0x30 [ 7.072816] --------------------------------------------------- [ 7.072817] context C's detail [ 7.072818] --------------------------------------------------- [ 7.072819] context C [ 7.072820] [S] (unknown)(pgwriteback:0) [ 7.072822] [W] __raw_read_lock(&journal->j_state_lock:8) [ 7.072823] [E] folio_wake_bit(pgwriteback:0) [ 7.072825] [ 7.072825] [S] (unknown)(pgwriteback:0): [ 7.072827] (N/A) [ 7.072828] [ 7.072828] [W] __raw_read_lock(&journal->j_state_lock:8): [ 7.072830] [<ffffffff8133cd87>] start_this_handle+0xa7/0x5e0 [ 7.072834] stacktrace: [ 7.072834] _raw_read_lock+0x57/0xd0 [ 7.072837] start_this_handle+0xa7/0x5e0 [ 7.072839] jbd2_journal_start_reserved+0x4d/0x170 [ 7.072842] __ext4_journal_start_reserved+0x87/0x160 [ 7.072845] ext4_convert_unwritten_io_end_vec+0x26/0xb0 [ 7.072848] ext4_end_io_rsv_work+0xef/0x140 [ 7.072850] process_one_work+0x317/0x640 [ 7.072852] worker_thread+0x44/0x410 [ 7.072854] kthread+0xe3/0x110 [ 7.072857] ret_from_fork+0x22/0x30 [ 7.072859] [ 7.072860] [E] folio_wake_bit(pgwriteback:0): [ 7.072862] [<ffffffff811a30f2>] folio_end_writeback+0x32/0x80 [ 7.072865] stacktrace: [ 7.072866] folio_wake_bit+0x15e/0x170 [ 7.072868] folio_end_writeback+0x32/0x80 [ 7.072870] ext4_finish_bio+0x15a/0x200 [ 7.072872] ext4_release_io_end+0x41/0xe0 [ 7.072874] ext4_end_io_rsv_work+0xaf/0x140 [ 7.072876] process_one_work+0x317/0x640 [ 7.072878] worker_thread+0x44/0x410 [ 7.072880] kthread+0xe3/0x110 [ 7.072883] ret_from_fork+0x22/0x30 [ 7.072885] --------------------------------------------------- [ 7.072886] information that might be helpful [ 7.072887] --------------------------------------------------- [ 7.072889] CPU: 1 PID: 620 Comm: cupsd Tainted: G W 5.17.0-rc1-00014-gcf3441bb2012 #2 [ 7.072893] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 7.072894] Call Trace: [ 7.072896] <TASK> [ 7.072898] dump_stack_lvl+0x44/0x57 [ 7.072902] print_circle+0x384/0x510 [ 7.072905] ? print_circle+0x510/0x510 [ 7.072908] cb_check_dl+0x58/0x60 [ 7.072936] bfs+0xdc/0x1b0 [ 7.072940] add_dep+0x94/0x120 [ 7.072944] do_event.isra.22+0x284/0x300 [ 7.072947] ? __wake_up_common+0x93/0x1a0 [ 7.072949] dept_event+0x12b/0x1f0 [ 7.072953] __wake_up_common+0xb0/0x1a0 [ 7.072956] __wake_up_common_lock+0x65/0x90 [ 7.072960] __jbd2_log_start_commit+0x8a/0xa0 [ 7.072963] jbd2_log_start_commit+0x24/0x40 [ 7.072966] jbd2_complete_transaction+0x79/0x90 [ 7.072969] ext4_fc_commit+0x329/0x940 [ 7.072972] ? to_pool+0x6d/0xb0 [ 7.072975] ? pop_ecxt+0x104/0x110 [ 7.072982] ? dept_ecxt_exit+0xc0/0x140 [ 7.072986] ? _raw_read_unlock+0x4f/0x70 [ 7.072989] ext4_sync_file+0x29f/0x410 [ 7.072994] do_fsync+0x33/0x60 [ 7.072997] __x64_sys_fsync+0xb/0x10 [ 7.073000] do_syscall_64+0x3a/0x90 [ 7.073003] entry_SYSCALL_64_after_hwframe+0x44/0xae
