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 E1EAC32E6A2 for ; Tue, 10 Feb 2026 21:20:38 +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=1770758439; cv=none; b=H5Bz+yrmUS8qHEfJuEcGvDfhwOdiW8YEPZam/t9S2UP+rreCqAoBmwShGInlkklMxoZpmDXbhWnhBF8oqwrjV5stZlBRtbz2muWEYfugeDtDezpL4xQhAu3RIu3+A7jYpMXM78F+QsZRWGGu0rBpOTt4V6ZJtlrKi+UcjnVIAtw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770758439; c=relaxed/simple; bh=nVa9AbgORjZ9+3+Nhj5Q83+V7zE+fAHT7iJHDivZCF4=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=LbpM+p/RPojSwA5RgLKY2yc+FmNPI6QbhtJy2ucqMo02Okls5XSYj3B6zmIu5CbFVVyNPZrgo+T5gPUXu+3iPoC3J3zTgJPG+3Jh9u5N009OIqb8DbUrjrv3tp0pCEm3WMNgK3UMMugrxmb5ZAcUZ1KePNINAoy7qVUmCVCNJHw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qGtKMKmS; 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="qGtKMKmS" Received: by smtp.kernel.org (Postfix) with ESMTPS id 62B22C19424 for ; Tue, 10 Feb 2026 21:20:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770758438; bh=nVa9AbgORjZ9+3+Nhj5Q83+V7zE+fAHT7iJHDivZCF4=; h=From:To:Subject:Date:In-Reply-To:References:From; b=qGtKMKmS1iDnb/u7bQNsk4I7aW1Kgwq7zZYn8nmCBIJ2ALp87CYs+5xu6Sb6G9hyr 0dGOJCZ+Fjs16Q9B2txjHKEVOBqIKBxNmykUg2KwWIUI/rZzoxG/IcBgn3u0oxIwAe 4oUmtIe/WXZReUanKHQ2rihETCUEVwjnvyGNmKft+02uH7X2K03siqwzavOjbMUCKk +nzN/TFDuBWOjdJ2usUUi1gQYGZANKtjkSNoGsOcpm3MgTCTHVG01OiYsMYAB0j2Fg w8HSK2Nr03YqVqv05x1+XQv1sBwpGB+EJ+EnOKvSnws8CaMC3inVji2S5dhd1kSEkN Kn/ObMtaqhgxQ== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 4F6F8C3279F; Tue, 10 Feb 2026 21:20:38 +0000 (UTC) From: bugzilla-daemon@kernel.org To: platform-driver-x86@vger.kernel.org Subject: [Bug 221065] ideapad_acpi: unexpected charge_types spam on Yoga Pro 7 14ASP9 Date: Tue, 10 Feb 2026 21:20:38 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo drivers_platform_x86@kernel-bugs.osdl.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: Platform_x86 X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: low X-Bugzilla-Who: W_Armin@gmx.de X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: drivers_platform_x86@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: 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: platform-driver-x86@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D221065 --- Comment #14 from Armin Wolf (W_Armin@gmx.de) --- I think that the ACPI errors you shown us are somehow connected to this problem, which has something to do with a shared memory area called SMA2 is protected by the ECMT mutex Both the usci driver and ideapad_acpi call ACPI methods that want to access SMA2 and thus attempt to acquire the ECMT mutex. usci times out after ~2 seconds when attempting to acquire said mutex, but tries to release it anyw= ay due to a firmware bug, leading to the above errors. ideapad_laptop also lik= ely times out when acquiring the mutex, returning a bitmask with all bits set a= s a result. ideapad_laptop now sees that all bits are set at the same time and rightfully complains --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=