[ 2.051991] =================================================== [ 2.051991] DEPT: Circular dependency has been detected. [ 2.051991] 5.17.0-rc1-00014-gcf3441bb2012 #2 Tainted: G W [ 2.051991] --------------------------------------------------- [ 2.051991] summary [ 2.051991] --------------------------------------------------- [ 2.051991] *** DEADLOCK *** [ 2.051991] [ 2.051991] context A [ 2.051991] [S] (unknown)(&(&ap->eh_wait_q)->dmap:0) [ 2.051991] [W] __mutex_lock_common(&host->eh_mutex:0) [ 2.051991] [E] event(&(&ap->eh_wait_q)->dmap:0) [ 2.051991] [ 2.051991] context B [ 2.051991] [S] __raw_spin_lock_irqsave(&host->lock:0) [ 2.051991] [W] wait(&(&ap->eh_wait_q)->dmap:0) [ 2.051991] [E] spin_unlock(&host->lock:0) [ 2.051991] [ 2.051991] context C [ 2.051991] [S] __mutex_lock_common(&host->eh_mutex:0) [ 2.051991] [W] __raw_spin_lock_irqsave(&host->lock:0) [ 2.051991] [E] mutex_unlock(&host->eh_mutex:0) [ 2.051991] [ 2.051991] [S]: start of the event context [ 2.051991] [W]: the wait blocked [ 2.051991] [E]: the event not reachable [ 2.051991] --------------------------------------------------- [ 2.051991] context A's detail [ 2.051991] --------------------------------------------------- [ 2.051991] context A [ 2.051991] [S] (unknown)(&(&ap->eh_wait_q)->dmap:0) [ 2.051991] [W] __mutex_lock_common(&host->eh_mutex:0) [ 2.051991] [E] event(&(&ap->eh_wait_q)->dmap:0) [ 2.051991] [ 2.051991] [S] (unknown)(&(&ap->eh_wait_q)->dmap:0): [ 2.051991] (N/A) [ 2.051991] [ 2.051991] [W] __mutex_lock_common(&host->eh_mutex:0): [ 2.051991] [<ffffffff81780ad9>] ata_eh_acquire+0x19/0x40 [ 2.051991] stacktrace: [ 2.051991] __mutex_lock+0x52c/0x900 [ 2.051991] ata_eh_acquire+0x19/0x40 [ 2.051991] ata_exec_internal_sg+0x41a/0x690 [ 2.051991] ata_exec_internal+0x4a/0x70 [ 2.051991] ata_dev_read_id+0x2ce/0x540 [ 2.051991] ata_dev_reread_id+0x33/0xc0 [ 2.051991] ata_dev_revalidate+0x41/0x190 [ 2.051991] ata_do_set_mode+0x61c/0xac0 [ 2.051991] ata_set_mode+0xfc/0x110 [ 2.051991] ata_eh_recover+0x1061/0x1360 [ 2.051991] ata_do_eh+0x3f/0xa0 [ 2.051991] ata_scsi_port_error_handler+0x432/0x740 [ 2.051991] ata_scsi_error+0x94/0xc0 [ 2.051991] scsi_error_handler+0x8d/0x3a0 [ 2.051991] kthread+0xe3/0x110 [ 2.051991] ret_from_fork+0x22/0x30 [ 2.051991] [ 2.051991] [E] event(&(&ap->eh_wait_q)->dmap:0): [ 2.051991] [<ffffffff810baa53>] __wake_up_common+0x93/0x1a0 [ 2.051991] stacktrace: [ 2.051991] dept_event+0x12b/0x1f0 [ 2.051991] __wake_up_common+0xb0/0x1a0 [ 2.051991] __wake_up_common_lock+0x65/0x90 [ 2.051991] ata_scsi_port_error_handler+0x67a/0x740 [ 2.051991] ata_scsi_error+0x94/0xc0 [ 2.051991] scsi_error_handler+0x8d/0x3a0 [ 2.051991] kthread+0xe3/0x110 [ 2.051991] ret_from_fork+0x22/0x30 [ 2.051991] --------------------------------------------------- [ 2.051991] context B's detail [ 2.051991] --------------------------------------------------- [ 2.051991] context B [ 2.051991] [S] __raw_spin_lock_irqsave(&host->lock:0) [ 2.051991] [W] wait(&(&ap->eh_wait_q)->dmap:0) [ 2.051991] [E] spin_unlock(&host->lock:0) [ 2.051991] [ 2.051991] [S] __raw_spin_lock_irqsave(&host->lock:0): [ 2.051991] [<ffffffff8178047c>] ata_port_wait_eh+0x6c/0xc0 [ 2.051991] stacktrace: [ 2.051991] _raw_spin_lock_irqsave+0x82/0xa0 [ 2.051991] ata_port_wait_eh+0x6c/0xc0 [ 2.051991] ata_port_probe+0x1f/0x30 [ 2.051991] async_port_probe+0x27/0x50 [ 2.051991] async_run_entry_fn+0x21/0xa0 [ 2.051991] process_one_work+0x317/0x640 [ 2.051991] worker_thread+0x44/0x410 [ 2.051991] kthread+0xe3/0x110 [ 2.051991] ret_from_fork+0x22/0x30 [ 2.051991] [ 2.051991] [W] wait(&(&ap->eh_wait_q)->dmap:0): [ 2.051991] [<ffffffff810bb017>] prepare_to_wait+0x47/0xd0 [ 2.051991] stacktrace: [ 2.051991] ata_port_wait_eh+0x52/0xc0 [ 2.051991] ata_port_probe+0x1f/0x30 [ 2.051991] async_port_probe+0x27/0x50 [ 2.051991] async_run_entry_fn+0x21/0xa0 [ 2.051991] process_one_work+0x317/0x640 [ 2.051991] worker_thread+0x44/0x410 [ 2.051991] kthread+0xe3/0x110 [ 2.051991] ret_from_fork+0x22/0x30 [ 2.051991] [ 2.051991] [E] spin_unlock(&host->lock:0): [ 2.051991] [<ffffffff8178046e>] ata_port_wait_eh+0x5e/0xc0 [ 2.051991] stacktrace: [ 2.051991] _raw_spin_unlock_irqrestore+0x35/0x80 [ 2.051991] ata_port_wait_eh+0x5e/0xc0 [ 2.051991] ata_port_probe+0x1f/0x30 [ 2.051991] async_port_probe+0x27/0x50 [ 2.051991] async_run_entry_fn+0x21/0xa0 [ 2.051991] process_one_work+0x317/0x640 [ 2.051991] worker_thread+0x44/0x410 [ 2.051991] kthread+0xe3/0x110 [ 2.051991] ret_from_fork+0x22/0x30 [ 2.051991] --------------------------------------------------- [ 2.051991] context C's detail [ 2.051991] --------------------------------------------------- [ 2.051991] context C [ 2.051991] [S] __mutex_lock_common(&host->eh_mutex:0) [ 2.051991] [W] __raw_spin_lock_irqsave(&host->lock:0) [ 2.051991] [E] mutex_unlock(&host->eh_mutex:0) [ 2.051991] [ 2.051991] [S] __mutex_lock_common(&host->eh_mutex:0): [ 2.051991] [<ffffffff81780ad9>] ata_eh_acquire+0x19/0x40 [ 2.051991] stacktrace: [ 2.051991] __mutex_lock+0x54d/0x900 [ 2.051991] ata_eh_acquire+0x19/0x40 [ 2.051991] ata_scsi_port_error_handler+0x32/0x740 [ 2.051991] ata_scsi_error+0x94/0xc0 [ 2.051991] scsi_error_handler+0x8d/0x3a0 [ 2.051991] kthread+0xe3/0x110 [ 2.051991] ret_from_fork+0x22/0x30 [ 2.051991] [ 2.051991] [W] __raw_spin_lock_irqsave(&host->lock:0): [ 2.051991] [<ffffffff817853df>] ata_scsi_port_error_handler+0x4f/0x740 [ 2.051991] stacktrace: [ 2.051991] _raw_spin_lock_irqsave+0x5f/0xa0 [ 2.051991] ata_scsi_port_error_handler+0x4f/0x740 [ 2.051991] ata_scsi_error+0x94/0xc0 [ 2.051991] scsi_error_handler+0x8d/0x3a0 [ 2.051991] kthread+0xe3/0x110 [ 2.051991] ret_from_fork+0x22/0x30 [ 2.051991] [ 2.051991] [E] mutex_unlock(&host->eh_mutex:0): [ 2.051991] [<ffffffff81773cd7>] ata_msleep+0x77/0x80 [ 2.051991] stacktrace: [ 2.051991] __mutex_unlock_slowpath+0x49/0x2a0 [ 2.051991] ata_msleep+0x77/0x80 [ 2.051991] ata_sff_wait_after_reset+0x27/0x150 [ 2.051991] ata_sff_softreset+0xc8/0x1a0 [ 2.051991] ata_eh_reset+0x3dc/0x1390 [ 2.051991] ata_eh_recover+0x257/0x1360 [ 2.051991] ata_do_eh+0x3f/0xa0 [ 2.051991] ata_scsi_port_error_handler+0x432/0x740 [ 2.051991] ata_scsi_error+0x94/0xc0 [ 2.051991] scsi_error_handler+0x8d/0x3a0 [ 2.051991] kthread+0xe3/0x110 [ 2.051991] ret_from_fork+0x22/0x30 [ 2.051991] --------------------------------------------------- [ 2.051991] information that might be helpful [ 2.051991] --------------------------------------------------- [ 2.051991] CPU: 1 PID: 53 Comm: scsi_eh_1 Tainted: G W 5.17.0-rc1-00014-gcf3441bb2012 #2 [ 2.051991] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 2.051991] Call Trace: [ 2.051991] <TASK> [ 2.051991] dump_stack_lvl+0x44/0x57 [ 2.051991] print_circle+0x384/0x510 [ 2.051991] ? print_circle+0x510/0x510 [ 2.051991] cb_check_dl+0x58/0x60 [ 2.051991] bfs+0xdc/0x1b0 [ 2.051991] add_dep+0x94/0x120 [ 2.051991] do_event.isra.22+0x284/0x300 [ 2.051991] ? __wake_up_common+0x93/0x1a0 [ 2.051991] dept_event+0x12b/0x1f0 [ 2.051991] __wake_up_common+0xb0/0x1a0 [ 2.051991] __wake_up_common_lock+0x65/0x90 [ 2.051991] ata_scsi_port_error_handler+0x67a/0x740 [ 2.051991] ? trace_hardirqs_on+0x38/0xe0 [ 2.051991] ? scsi_eh_get_sense+0x150/0x150 [ 2.051991] ata_scsi_error+0x94/0xc0 [ 2.051991] scsi_error_handler+0x8d/0x3a0 [ 2.051991] ? _raw_spin_unlock_irqrestore+0x63/0x80 [ 2.051991] ? scsi_eh_get_sense+0x150/0x150 [ 2.051991] kthread+0xe3/0x110 [ 2.051991] ? kthread_complete_and_exit+0x20/0x20 [ 2.051991] ret_from_fork+0x22/0x30 [ 2.051991] </TASK>
