From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-05.mail-europe.com (mail-05.mail-europe.com [85.9.206.169]) (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 91A54191F94; Tue, 17 Mar 2026 17:18:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=85.9.206.169 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773767891; cv=none; b=IfbZ4N9H89wAJZKI0ufHw6otxh6K4Jm1MeVrzlfPF25PGcgb8jJLKjtXUU+hfrUdnpFJBB2vsAq0OfYVCP2hl8gcqw0M6jVSDlhlL0oP//PgbJX+yTDXdYlksRm1n6pAt6SKLejHnbXIvvD4BI4wcZ6x2xT7FKxlTsUB6fNhuDE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773767891; c=relaxed/simple; bh=vX1kx7VM5hkljShUyb582SJ3E0ltV+g/Ivrd5dmpxBU=; h=Date:To:From:Cc:Subject:Message-ID:MIME-Version:Content-Type; b=ZMHeSDpHAn7sWXZ96CodTAd3RqaYGqS9vuOVtFEoH7iKVtJeCSySZwusPhLik8NSb28qRcWK1KOO/nbUgaF5jG9adgmP3dGr3sJ3N/7ehdgPdRIS64lEIMRssYcqVPaAKEEhByE5kFYyxlaUbOgrXfWexl+x/neOh1RpV+hRYeA= 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=cwCSE0dw; arc=none smtp.client-ip=85.9.206.169 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="cwCSE0dw" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=proton.me; s=dzntp2wu7ncnxeiiq4xjs6gciu.protonmail; t=1773767872; x=1774027072; bh=ormOhq7y7cFOvw2DX0AmoKb1gOKEJgoMDD9goXSLiok=; h=Date:To:From:Cc:Subject:Message-ID:Feedback-ID:From:To:Cc:Date: Subject:Reply-To:Feedback-ID:Message-ID:BIMI-Selector; b=cwCSE0dwVwv3Q05AB7BH8CTHMJ4OIE4UwDYw60tifBrbsW8ivI33caY8yCEzuE01E l5wBktdKrSenY2P3ynVz0QxvLqzC8iCPq07oI4D9hOXWVRNXZvC+tVh7a43T6ezgiJ MsdbV+y5i5+WgTng/jVNwuRrfkFVf5c2kfnOSihA0A4VvlM8SFI6qeu3mCRFId8YRv D+wf8XzCbrykZzm/lkrWAIwbB3SDKVTRn9OfjjCs9MBW5EqsM7SKjRX9qGEQNGBdTn dKLo8jRIjJT9Cs6uBGDYW2WTcbkIgLgSGpTkTUHvc6CQ/qbJe9LRcY219M6WCj7jAE w1Pm0Lv7xnxXA== Date: Tue, 17 Mar 2026 17:17:46 +0000 To: Peter Wang , linux-next@vger.kernel.org, "James E.J. Bottomley" , "Martin K. Petersen" From: Tj Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Regression: scsi: ufs: core: Avoid IRQ thread wakeup during active UIC command Message-ID: Feedback-ID: 113488376:user:proton X-Pm-Message-ID: d5894582a53cf692f29abc81b7ac3b999d1bd876 Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org 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)