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Message-Id: <1644984964-28300-3-git-send-email-byungchul.park@lge.com>
Date: Wed, 16 Feb 2022 13:16:04 +0900
From: Byungchul Park <byungchul.park@....com>
To: damien.lemoal@...nsource.wdc.com, linux-ide@...r.kernel.org
Cc: torvalds@...ux-foundation.org, mingo@...hat.com,
linux-kernel@...r.kernel.org, peterz@...radead.org,
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Subject: Report in ata_scsi_port_error_handler()
[ 2.051040] ===================================================
[ 2.051406] DEPT: Circular dependency has been detected.
[ 2.051730] 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] __raw_spin_lock_irq(&host->lock: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] [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] __raw_spin_lock_irq(&host->lock: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] __raw_spin_lock_irq(&host->lock:0):
[ 2.051991] [<ffffffff8178d355>] ata_sff_flush_pio_task+0x45/0xc0
[ 2.051991] stacktrace:
[ 2.051991] _raw_spin_lock_irq+0x58/0x90
[ 2.051991] ata_sff_flush_pio_task+0x45/0xc0
[ 2.051991] ata_exec_internal_sg+0x422/0x690
[ 2.051991] ata_do_set_mode+0x5ee/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] 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>
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