From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-24418.protonmail.ch (mail-24418.protonmail.ch [109.224.244.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6290033290F for ; Tue, 17 Mar 2026 17:21:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=109.224.244.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773768103; cv=none; b=KtOpejEehuUKo+T/JaEmqNtggdBiTWBF8P35QUu3EdiRaUppw1W0dDfdSSYKPm55uUKCCrvG/+8DCfV6wjW6zWESeMmtsFOvj7MANq1NA5K6Gbv83DyhnylH2jwpkYhkA/Kny/urOPLNbPpR8U0XgX2PuKAOlFgY28NRz44V6gM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773768103; c=relaxed/simple; bh=vX1kx7VM5hkljShUyb582SJ3E0ltV+g/Ivrd5dmpxBU=; h=Date:To:From:Subject:Message-ID:MIME-Version:Content-Type; b=WYPwUkGt5XyDDGws8vEQKpgCOV66crewfhQ8KcsxQSGmQtLq8OMFNmWaytaPWfFjWd7Y3d/ktNpmVk+aOE13PVBOiFPyk6/IKTFCdr4zA8SJzmSNvNzHKJ/mJvyq8eaarm/TzZq7pnNvrSgHhACjcV4p3e02LPKPZynYtLtXRQE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=proton.me; spf=pass smtp.mailfrom=proton.me; dkim=pass (2048-bit key) header.d=proton.me header.i=@proton.me header.b=JHikKbXm; arc=none smtp.client-ip=109.224.244.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=proton.me Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=proton.me Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=proton.me header.i=@proton.me header.b="JHikKbXm" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=proton.me; s=protonmail; t=1773768090; x=1774027290; bh=ormOhq7y7cFOvw2DX0AmoKb1gOKEJgoMDD9goXSLiok=; h=Date:To:From:Subject:Message-ID:Feedback-ID:From:To:Cc:Date: Subject:Reply-To:Feedback-ID:Message-ID:BIMI-Selector; b=JHikKbXm7BUHKdMSZzwzn0CzvxiemMTeG4H5Bw/A9BXP3iDQbIFJNuEVxlwsAwk4E 81qUTnnM9cLnSQ9QKgOZAtlpr00ZGuOc6tGSUbIKhufojJV1pgUBFuOoe4U9GWpUyT ZUE//pciDwFnG6UVJt0v5lGPDJelT5WkxZvFfad3rfnEb3rGVKLZbCI7juxFPs3FM/ UDzkK19cZaQ2/ffHFOlfiv0CeOOPnPDe/9wYulq4cBL6Iifyb1v5fbRBYUwh8kbD3Q qsbuwxWT9iZRmzNmDh0A91+z+MBRQD6kgr7kZnNsEp4Ubz5dmSp67T66abb+J7gZ0F lUbuOEGbMHXHg== Date: Tue, 17 Mar 2026 17:21:26 +0000 To: regressions@lists.linux.dev From: Tj Subject: Regression: scsi: ufs: core: Avoid IRQ thread wakeup during active UIC command Message-ID: Feedback-ID: 113488376:user:proton X-Pm-Message-ID: d5fa4b915663b355b53e7f60a42c17cc115ec5fa Precedence: bulk X-Mailing-List: regressions@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable #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/0= x7a0 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_STA= TE, err -110 stack backtrace: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 7.0.0-rc3-next-20260311-sd= m845 #103 PREEMPTLAZY ...${unclear} Hardware name: SAMSUNG ELECTRONICS CO,. LTD. Galaxy Book2/SM-W737YZSBTEL, B= IOS 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 0x00000= 000 (0x00000400, 0x00000400)