Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932854AbXASXKP (ORCPT ); Fri, 19 Jan 2007 18:10:15 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932868AbXASXKO (ORCPT ); Fri, 19 Jan 2007 18:10:14 -0500 Received: from ug-out-1314.google.com ([66.249.92.170]:58632 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932854AbXASXKN (ORCPT ); Fri, 19 Jan 2007 18:10:13 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=AHzUwSJTr8TMCewr7sq56T31xSdBHI5nksDNkCLZ8yzQafNa7Z2KpA1U5mfokCpgoP1PbUTLB93H4i6GHR2TL7t3/ohL8C1xvjN110csprR22JHR9zU15GSiLMZEKtQHfUeiLvuipxMm6KPVnxNvkqd+1A6AyUI3VDt16vQ6VUg= Message-ID: <305c16960701191510g2ed9ef4ev184d09c7b7d75408@mail.gmail.com> Date: Fri, 19 Jan 2007 21:10:11 -0200 From: "Matheus Izvekov" To: "Len Brown" Subject: Re: BUG: linux 2.6.19 unable to enable acpi Cc: "Arjan van de Ven" , "Luming Yu" , "Linux Kernel Mailing List" In-Reply-To: <305c16960701191003k3e69cf65o135cc2a9b1249943@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <305c16960701162001j5ec23332hcd398cbe944916e1@mail.gmail.com> <200701170408.54220.lenb@kernel.org> <305c16960701171310v727963aevd4f29eba34316ed9@mail.gmail.com> <200701190336.20236.lenb@kernel.org> <305c16960701191003k3e69cf65o135cc2a9b1249943@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2383 Lines: 54 On 1/19/07, Matheus Izvekov wrote: > On 1/19/07, Len Brown wrote: > > I guess I'm losing my mind, because when I read this code, > > there are only two ways out of the while(retry) loop. > > Either return with success, or retry is 0. > > So how the heck is retry printed as 142?! > > > > did you notice any delay between the last two lines of printout above? > > > > please boot with "acpi_dbg_layer=2" "acpi_dbg_level=0xffffffff" > > so that we can see each read and write of the hardware look like. > > Success is measured here by looking for SCI_EN being set > > to indicate that we successfully entered ACPI mode. > > > > I guess we should see about 142 reads looking for SCI_EN... > > > > It would be interesting if you could boot a windows disk on this box > > to see if they are able to get into ACPI mode. You'd be able to > > tell by dumping the interrupt list, looking at the device tree, > > or observing if the power button gives immediate poweroff > > or does an OS shutdown. > > > > thanks, > > -Len > > printk("ACPI: retry %d\n") -> printk("ACPI: retry %d\n", retry) > ;) > ill try this again soon. > Ok, here is what i got: hwacpi-0207 [C031D380] [04] hw_get_mode : ----Entry hwregs-0273 [C031D380] [05] get_register : ----Entry hwregs-0487 [C031D380] [06] hw_register_read : ----Entry hwregs-0810 [C031D380] [06] hw_low_level_read : Read: 00000000 width 16 from 0000000000000404 (SystemIO) hwregs-0575 [C031D380] [06] hw_register_read : ----Exit- AE_OK hwregs-0300 [C031D380] [05] get_register : Read value 00000000 register 3 hwregs-0303 [C031D380] [05] get_register : ----Exit- AE_OK hwacpi-0226 [C031D380] [04] hw_get_mode : ----Exit- 0000000000000002 ACPI: retry 0 ACPI Error (hwacpi-0185): Hardware did not change modes [20060707] hwacpi-0186 [C031D380] [03] hw_set_mode : ----Exit- ****Exception****: AE_NO_HARDWARE_RESPONSE ACPI Error (evxfevnt-0084): Could not transition to ACPI mode [20060707] ACPI Warning (utxface-0154): AcpiEnable failed [20060707] ACPI: Unable to enable ACPI - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/