From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965228AbVIOOVI (ORCPT ); Thu, 15 Sep 2005 10:21:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965242AbVIOOVI (ORCPT ); Thu, 15 Sep 2005 10:21:08 -0400 Received: from anubis.fi.muni.cz ([147.251.54.96]:46751 "EHLO anubis.fi.muni.cz") by vger.kernel.org with ESMTP id S965228AbVIOOVH (ORCPT ); Thu, 15 Sep 2005 10:21:07 -0400 Date: Thu, 15 Sep 2005 16:21:34 +0200 From: Lukas Hejtmanek To: linux-kernel@vger.kernel.org Cc: jan@kcore.org Subject: Re: ACPI S3 and ieee1394 don't get along Message-ID: <20050915142134.GD2428@mail.muni.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: 8bit X-echelon: NSA, CIA, CI5, MI5, FBI, KGB, BIS, Plutonium, Bin Laden, bomb User-Agent: Mutt/1.5.10i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hello, I found, that if you insert module ohci1394 before S3, than everything is ok after resume. Next, if you do not do that, then after resume modprobe ohci1394 fails: (I added dump_stack() to see what happened) ohci1394: $Rev: 1299 $ Ben Collins ACPI: PCI Interrupt 0000:01:01.1[B] -> GSI 16 (level, low) -> IRQ 16 ohci1394: fw-host0: Set PHY Reg timeout [0xffffffff/0x00004000/100] [pg0+526438805/1069020160] set_phy_reg+0xc5/0xe0 [ohci1394] [pg0+526440116/1069020160] ohci_initialize+0xb4/0x330 [ohci1394] [pg0+526449792/1069020160] ohci_irq_handler+0x0/0x850 [ohci1394] [request_irq+142/192] request_irq+0x8e/0xc0 [pg0+526457413/1069020160] ohci1394_pci_probe+0x455/0x6b0 [ohci1394] [pg0+526449792/1069020160] ohci_irq_handler+0x0/0x850 [ohci1394] [__pci_device_probe+95/112] __pci_device_probe+0x5f/0x70 [pci_device_probe+47/96] pci_device_probe+0x2f/0x60 [driver_probe_device+56/208] driver_probe_device+0x38/0xd0 [__driver_attach+0/80] __driver_attach+0x0/0x50 [__driver_attach+65/80] __driver_attach+0x41/0x50 [bus_for_each_dev+93/128] bus_for_each_dev+0x5d/0x80 [driver_attach+37/48] driver_attach+0x25/0x30 [__driver_attach+0/80] __driver_attach+0x0/0x50 [bus_add_driver+132/240] bus_add_driver+0x84/0xf0 [pci_register_driver+109/128] pci_register_driver+0x6d/0x80 [pg0+524607503/1069020160] ohci1394_init+0xf/0x11 [ohci1394] [sys_init_module+330/512] sys_init_module+0x14a/0x200 [syscall_call+7/11] syscall_call+0x7/0xb ohci1394: fw-host0: Runaway loop while stopping context: ... However, module is loaded but nonfunctional. BUT if you do S3 again, then after resume module can be unloaded and next modprobe ohci1394 is now working! (Tested right now.) -- Lukáš Hejtmánek