From: Andrey Borzenkov Subject: 2.6.18: BUG: lock held at task exit time! on resume from STR Date: Tue, 3 Oct 2006 21:04:20 +0400 Message-ID: <200610032104.21492.arvidjaar@mail.ru> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mx6.mail.ru ([194.67.23.26]:64848 "EHLO mx6.mail.ru") by vger.kernel.org with ESMTP id S1030303AbWJCRET (ORCPT ); Tue, 3 Oct 2006 13:04:19 -0400 Content-Disposition: inline Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: linux-acpi@vger.kernel.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Running Toshiba Portege 4000, I have intermittent lockups at resume from STR. Those lockups were less frequent before 2.6.18 ("it mostly works"); after switching to 2.6.18 it is rather "it almost never works". After enabling full console output (SysRq-9) and doing suspend/resume I got: BUG: lock held at task exit time! echo/1931 is exiting with locks still held! 1 lock held by by echo/1931 #0 (acpi_gbl_hardware_lock) {+...}, at [] acpi_os_acquire_lock+0x8/0xa I also have relatively bad photo of screen with stack trace but it is not actually interesting (it just says task was exiting). After that system stays still, I only can press power button. echo mentioned above is likely to be FILE=/sys/power/state PARAM=mem /usr/share/suspend-scripts/run_scripts $debug suspend s3 if ! (/bin/echo $PARAM > $FILE &) ;then ret=1 fi I appreciate any hint how to further debug the issue. TIA - -andrey -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) iD8DBQFFIpgVR6LMutpd94wRAlIwAKCPPlxwmeogp6mKdNfSo3teAtqYywCgrP6B uD5IBV2GYyxwfjmusTlHzrM= =6QeU -----END PGP SIGNATURE-----