From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Subject: Re: 2.6.25 pci=noacpi Date: Fri, 02 May 2008 12:23:01 +0100 Message-ID: <481AF995.3000305@gmail.com> References: <20080425183807.366134771@ldl.fc.hp.com> <200805010110.40709.lenb@kernel.org> <48196CC5.6070704@gmail.com> <200805011159.38059.lenb@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-2022-jp Content-Transfer-Encoding: 7bit Return-path: Received: from hu-out-0506.google.com ([72.14.214.228]:18560 "EHLO hu-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751114AbYEBLXI (ORCPT ); Fri, 2 May 2008 07:23:08 -0400 Received: by hu-out-0506.google.com with SMTP id 19so934121hue.21 for ; Fri, 02 May 2008 04:23:06 -0700 (PDT) In-Reply-To: <200805011159.38059.lenb@kernel.org> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Len Brown Cc: Andrew Morton , linux-acpi@vger.kernel.org, Adam M Belay , Li Shaohua , Matthieu Castet , Thomas Renninger , Jaroslav Kysela Len Brown wrote: > On Thursday 01 May 2008, Richard wrote: > >> Len Brown wrote: >> >>> On Tuesday 29 April 2008, Richard wrote: >>> >>> >>>> Hi there, >>>> >>>> Now I am at a loss.. I cant get any logs from netconsole. With ACPI >>>> enabled it drops dead just after the kernel hands control to Init. When >>>> I reboot with acpi disabled there is no trace of the previous boot in >>>> /var/log/message or kernel logs. >>>> >>>> The network card I have is a Tigon3 and its not initialised before the >>>> system dies... or so it looks (altho I cant seem to get any netconsole >>>> working - I suspect pebkac) >>>> >>>> I have tried to find an option where the kernel boot is logged >>>> explicitly to disk, but I cant seem to find the option. There is so much >>>> chaff I cant seem to get my brain to find the REAL options list thats up >>>> to date. >>>> >>>> Any pointers are appreciated >>>> >>>> >>> go fishing with this bait: >>> >>> idle=poll >>> acpi=noirq >>> >>> -Len >>> >>> >>> >> Thanks :-) With help from Thomas (and his team) , noapictimer seems to >> have fixed the symptom.. now its to hunt for the cure :-) >> > > if the problem is the apic timer stopping during C-states, > then you should find that idle=poll will also work around the problem. > If idle=poll does not work around it but noapictimer does, then > the problem is the apic timer when the system is non-idle. > > -Len > > Hi Len, thanks - the idle=poll works to fix the problem. Richard