From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 DEC402045B5 for ; Fri, 3 Oct 2025 07:26:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759476411; cv=none; b=EcM7ZrSL5BXFAgxJ5H+2mhDfjG/L2uvd7DTucc6qWhFLHSszM20/+SiK2rFEn3tTiBnGryRuuEl8oIvMmDZHKSEaVT09GvWH562IBVUpggkBlCDO9jmaemPVMK0idqsFNWFL9g2bnbWY6KAzvfeaZihK+Wgt/IfbsLPAXToD5GI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759476411; c=relaxed/simple; bh=ZwjY1cC/HN9EhtofWzeviKT3h75xUU4QWrSj/K1HYrQ=; h=From:To:Subject:Date:Message-ID:Content-Type:MIME-Version; b=HWfIYZ/1dgqCeumUL32OrgodR7HgdAxHNbvy+a6RUNeFk78a1lx7A7xKCSzORE9cy1HkB5vCAwiVxRaLThDfVit9rOeqDkHMn0QxOMVM85GIpmSlk3hhauvZGOTbZ6Nf7gmN54Ee3YzP0mUZMq7OelIt0/+0IInRuCJgcdBX2wQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gXyXpIv0; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gXyXpIv0" Received: by smtp.kernel.org (Postfix) with ESMTPS id 78EE8C4CEF5 for ; Fri, 3 Oct 2025 07:26:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1759476410; bh=ZwjY1cC/HN9EhtofWzeviKT3h75xUU4QWrSj/K1HYrQ=; h=From:To:Subject:Date:From; b=gXyXpIv0afGOPp5f3Z3k6EWWGwJMYZ4QVhhsV8+RTS9rNNu89FbwXHlbVMMQAuMyh lvVTCOjwJDhB5RlJUrp5uDDvaRBQV38yKAe03Tl4c8EBYoONA7RUTCjwnNVsN7sOuP RYF3QcsODLWgtulc62riEYjh27JG2gqLt1ta09/eRfXHXv8QjvedoKX3WsNnWTaC6X UP5yumY7K7vGG0eXjyaBAfxk2P9J6dD+Yvfb6k8v8ARXVJ3idTRo2K0kHX8eA4D4jC bYn2VnMCIqfxrfY4vrj4tNK22c1nrmKYe0TWUE36A2D2y2OmIT1ZbmQXinC+uRRE64 Oloicp8dqj5FQ== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 72FA7C41614; Fri, 3 Oct 2025 07:26:50 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-ext4@vger.kernel.org Subject: [Bug 220623] New: Possible deadlock, system hangs on suspend Date: Fri, 03 Oct 2025 07:26:50 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: AssignedTo fs_ext4@kernel-bugs.osdl.org X-Bugzilla-Product: File System X-Bugzilla-Component: ext4 X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: high X-Bugzilla-Who: athul.krishna.kr@protonmail.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: fs_ext4@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter cf_regression attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D220623 Bug ID: 220623 Summary: Possible deadlock, system hangs on suspend Product: File System Version: 2.5 Hardware: AMD OS: Linux Status: NEW Severity: high Priority: P3 Component: ext4 Assignee: fs_ext4@kernel-bugs.osdl.org Reporter: athul.krishna.kr@protonmail.com Regression: No Created attachment 308745 --> https://bugzilla.kernel.org/attachment.cgi?id=3D308745&action=3Dedit Systems hangs on lid close Device: Asus GA402RJ Kernel: 6.16.8-arch3-1 System hangs on lid close. Not reliably reproducible. Sometimes I have to u= se it for 30 mins before suspending, sometimes more than an hour to replicate = the issue Oct 03 00:44:17 ZephyrusG14 kernel: INFO: task systemd-sleep:58322 blocked = for more than 122 seconds. Oct 03 00:44:17 ZephyrusG14 kernel: Not tainted 6.16.8-arch3-1 #1 Oct 03 00:44:17 ZephyrusG14 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Oct 03 00:44:17 ZephyrusG14 kernel: task:systemd-sleep state:D stack:0=20= =20=20=20 pid:58322 tgid:58322 ppid:1 task_flags:0x400100 flags:0x00004002 Oct 03 00:44:17 ZephyrusG14 kernel: Call Trace: Oct 03 00:44:17 ZephyrusG14 kernel: Oct 03 00:44:17 ZephyrusG14 kernel: __schedule+0x409/0x1330 Oct 03 00:44:17 ZephyrusG14 kernel: ? srso_alias_return_thunk+0x5/0xfbef5 Oct 03 00:44:17 ZephyrusG14 kernel: ? select_task_rq_fair+0x8b9/0x2190 Oct 03 00:44:17 ZephyrusG14 kernel: ? srso_alias_return_thunk+0x5/0xfbef5 Oct 03 00:44:17 ZephyrusG14 kernel: ? srso_alias_return_thunk+0x5/0xfbef5 Oct 03 00:44:17 ZephyrusG14 kernel: ? mod_memcg_lruvec_state+0x1a4/0x200 Oct 03 00:44:17 ZephyrusG14 kernel: schedule+0x27/0xd0 Oct 03 00:44:17 ZephyrusG14 kernel: io_schedule+0x46/0x70 Oct 03 00:44:17 ZephyrusG14 kernel: folio_wait_bit_common+0x133/0x330 Oct 03 00:44:17 ZephyrusG14 kernel: ? __pfx_wake_page_function+0x10/0x10 Oct 03 00:44:17 ZephyrusG14 kernel: folio_wait_writeback+0x2e/0x80 Oct 03 00:44:17 ZephyrusG14 kernel: __filemap_fdatawait_range+0x7d/0xd0 Oct 03 00:44:17 ZephyrusG14 kernel: filemap_fdatawait_keep_errors+0x1e/0x50 Oct 03 00:44:17 ZephyrusG14 kernel: sync_inodes_sb+0x229/0x2b0 Oct 03 00:44:17 ZephyrusG14 kernel: ? __pfx_sync_inodes_one_sb+0x10/0x10 Oct 03 00:44:17 ZephyrusG14 kernel: __iterate_supers+0xdc/0x140 Oct 03 00:44:17 ZephyrusG14 kernel: ksys_sync+0x43/0xb0 Oct 03 00:44:17 ZephyrusG14 kernel: ksys_sync_helper+0x17/0x80 Oct 03 00:44:17 ZephyrusG14 kernel: pm_suspend.cold+0x128/0x36b Oct 03 00:44:17 ZephyrusG14 kernel: state_store+0x6c/0xd0 Oct 03 00:44:17 ZephyrusG14 kernel: kernfs_fop_write_iter+0x14d/0x200 Oct 03 00:44:17 ZephyrusG14 kernel: vfs_write+0x25d/0x480 Oct 03 00:44:17 ZephyrusG14 kernel: ksys_write+0x73/0xf0 Oct 03 00:44:17 ZephyrusG14 kernel: do_syscall_64+0x81/0x970 Oct 03 00:44:17 ZephyrusG14 kernel: ? srso_alias_return_thunk+0x5/0xfbef5 Oct 03 00:44:17 ZephyrusG14 kernel: ? do_user_addr_fault+0x21a/0x690 Oct 03 00:44:17 ZephyrusG14 kernel: ? srso_alias_return_thunk+0x5/0xfbef5 Oct 03 00:44:17 ZephyrusG14 kernel: ? exc_page_fault+0x7e/0x1a0 Oct 03 00:44:17 ZephyrusG14 kernel: entry_SYSCALL_64_after_hwframe+0x76/0x= 7e Oct 03 00:44:17 ZephyrusG14 kernel: RIP: 0033:0x7fde89c931ce Oct 03 00:44:17 ZephyrusG14 kernel: RSP: 002b:00007ffc481f5570 EFLAGS: 0000= 0202 ORIG_RAX: 0000000000000001 Oct 03 00:44:17 ZephyrusG14 kernel: RAX: ffffffffffffffda RBX: 000055d77271= 4310 RCX: 00007fde89c931ce Oct 03 00:44:17 ZephyrusG14 kernel: RDX: 0000000000000004 RSI: 000055d77271= c770 RDI: 0000000000000007 Oct 03 00:44:17 ZephyrusG14 kernel: RBP: 00007ffc481f5580 R08: 000000000000= 0000 R09: 0000000000000000 Oct 03 00:44:17 ZephyrusG14 kernel: R10: 0000000000000000 R11: 000000000000= 0202 R12: 0000000000000004 Oct 03 00:44:17 ZephyrusG14 kernel: R13: 0000000000000004 R14: 000055d77271= c770 R15: 00007ffc481f5710 Oct 03 00:44:17 ZephyrusG14 kernel: --=20 You may reply to this email to add a comment. 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