From: Tj <tj.iam.tj@proton.me>
To: Peter Wang <peter.wang@mediatek.com>,
linux-next@vger.kernel.org,
"James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Regression: scsi: ufs: core: Avoid IRQ thread wakeup during active UIC command
Date: Tue, 17 Mar 2026 17:17:46 +0000 [thread overview]
Message-ID: <abmMptgPR581bPUS@mail.iam.tj> (raw)
#regzbot ^introduced: 6475cfb81fc4f6175b6d15d1c205a5168dc10b46
I've had to revert this commit because it breaks UFS on Samsung Book2
W737 sdm850. Below is transcribed from a blurry video so apologies if it
is not exact:
| BUG: Invalid wait context |
ufshcd-qcom 1d84000.ufshc: uic cmd 0x1 with arg3 0x0 completion timeout
7.0.0-rc3-next-202603110sdm845 #103 Not tainted
-----------------------------
ufshcd-qcom 1d84000.ufshc: dme-get: attr-id 0x41 failed 0 retries
swapper/0/0 is trying to lock:
ffff000087ba4048 (shost->host_lock)(....)-(3:3). at: ufshcd_sl_intr+0x3dc/0x7a0
other info that might help us debug this:
ufshcd-qcom 1d84000.ufshc: uic cmd 0x1 with arg3 0x0 completion timeout
context-(2:2)
ufshcd-qcom 1d84000.ufshc: dme-get: sttr-id 0x41 failed 0 retries
no locks held by swapper/0/0.
ufshcd-qcom 1d84000.ufshc: ufs_wcom_check_hibern8: unable to get TX_FSM_STATE, err -110
stack backtrace:
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 7.0.0-rc3-next-20260311-sdm845 #103 PREEMPTLAZY ...${unclear}
Hardware name: SAMSUNG ELECTRONICS CO,. LTD. Galaxy Book2/SM-W737YZSBTEL, BIOS P02AHG.005.190624.WY.1359 06/24/2019
Call trace:
show_stack+
dump_stack_lvl
dump_stack
ufshcd-qcom 1d84000.ufshc: uic cmd 0x1 with arg3 0x0 completion timeout
__lock_acquire
lock_acquire
_raw_spin_lock_irqsave
ufshcd_sl_intr
ufshcd_intr
__handle_irq_event_percpu
handle_irq_event
handle_fast???_irq
ufshcd-qcom 1d84000.ufshc: dme-get: attr-id 0xa00b failed 0 retries
handle_irq_desc
generic_handle_domain_irq
gic_handle_irq
do_interrupt_handler
ufshcd-qcom 1d84000.ufshc: hw clk gating enabled failed
el1_interrupt
el1h_64_irq_handler
el1h_64_irq
scsi host0: ufshcd
handle_softirqs
__do_softirq
___do_softirq
do_softirq_own_stack
__irq_exit_rcn
irq_exit_rcn
ufshcd-qcom 1d84000.ufshc: uic cmd 0x1 with arg3 0x0 completion timeout
el1_interrupt
el1h_64_irq_handler
el1h_64_irq
cpuidle_enter_state
cpuidle_enter
do_idle
cpu_startup_entry
rest_init
start_kernel
__primary_switched
ufshcd-qcom 1d84000.ufshc: cfg core clk ctrl failed
ufshcd-qcom 1d84000.ufshc: No active UIC command. Maybe a timeout occurred?
ufshcd-qcom 1d84000.ufshc: No active UIC command. Maybe a timeout occurred?
ufshcd-qcom 1d84000.ufshc: ufshcd_threaded_intr: Unhadled interrupt 0x00000000 (0x00000400, 0x00000400)
next reply other threads:[~2026-03-17 17:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-17 17:17 Tj [this message]
2026-03-18 17:49 ` Regression: scsi: ufs: core: Avoid IRQ thread wakeup during active UIC command Bart Van Assche
-- strict thread matches above, loose matches on Subject: below --
2026-03-17 17:21 Tj
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