From: Ernst Herzberg <earny@net4u.de>
To: Len Brown <lenb@kernel.org>
Cc: Adrian Bunk <bunk@stusta.de>, Hugh Dickins <hugh@veritas.com>,
"Michael S. Tsirkin" <mst@mellanox.co.il>,
Pavel Machek <pavel@suse.cz>, Linus Torvalds <torvalds@osdl.org>,
Andrew Morton <akpm@osdl.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-acpi@vger.kernel.org, linux-pm@osdl.org,
Martin Lorenz <martin@lorenz.eu.org>
Subject: Re: 2.6.19-rc <-> ThinkPads
Date: Wed, 1 Nov 2006 06:11:27 +0100 [thread overview]
Message-ID: <200611010611.30445.earny@net4u.de> (raw)
In-Reply-To: <200610312215.44454.len.brown@intel.com>
On Wednesday 01 November 2006 04:15, Len Brown wrote:
> The BIOS disables the LAPIC for a reason.
> A couple of years ago Linux made the mistake of enabling the LAPIC
> that the BIOS disabled, and all hell broke loose.
> We fixed that bug about a year ago, but left "lapic"
> to force it on for those where forcing it to be enabled actually
> works (eg. some folks want the NMI profiling on their IOAPIC-less laptop)
>
> But if you force the lapic to be enabled, you are running the system
> in a mode not supported by the manufacturer and you are on your own.
>
> I don't see an indication that this is a bug.
> If it used to work and it is important to you,
> then run the old software where it used to work --
> because chances are good that it worked by accident.
Maybe. But why does it boot with AC connected and lapic enabled, bot not if AC
is disconnected and lapic enabled? If have no problem to run this laptop
without lapic, i don't relly need it. But i wondering that this happens only
if the machine runs (by accident:) on battery.
still bisecting, will report the result.
<earny>
next prev parent reply other threads:[~2006-11-01 5:11 UTC|newest]
Thread overview: 122+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-23 23:22 Linux 2.6.19-rc3 Linus Torvalds
2006-10-24 2:24 ` Gene Heskett
2006-10-24 7:46 ` Muli Ben-Yehuda
2006-10-24 18:07 ` Badari Pulavarty
2006-10-24 20:21 ` 2.6.19-rc3: known unfixed regressions Adrian Bunk
2006-10-24 21:44 ` 2.6.19-rc3: known unfixed regressions: confirmations teunis
2006-10-26 15:31 ` Adrian Bunk
2006-10-26 15:54 ` teunis
2006-10-25 1:51 ` 2.6.19-rc3: known regressions with patches Adrian Bunk
2006-10-25 11:25 ` Linux 2.6.19-rc3 Jean Delvare
2006-10-25 12:01 ` Damien Wyart
2006-10-25 16:25 ` Auke Kok
2006-10-26 7:20 ` Jean Delvare
2006-10-25 20:13 ` Linux 2.6.19-rc3: !CONFIG_NET_ETHERNET unsets CONFIG_PHYLIB, but CONFIG_USB_USBNET also needs CONFIG_PHYLIB Athanasius
2006-10-25 22:17 ` [PATCH] " Randy Dunlap
2006-10-25 22:27 ` David Brownell
2006-10-25 23:58 ` [PATCH 2/2] usbnet: use MII hooks only if CONFIG_MII is enabled Randy Dunlap
2006-10-26 2:22 ` David Brownell
2006-11-02 7:15 ` Greg KH
2006-11-02 20:29 ` David Brownell
2006-11-03 2:27 ` Adrian Bunk
2006-11-03 2:47 ` David Brownell
2006-11-03 2:58 ` Randy.Dunlap
2006-11-04 2:51 ` [2.6 patch] USB_RTL8150 must select MII Adrian Bunk
2006-10-26 15:46 ` [PATCH 2/2] usbnet: use MII hooks only if CONFIG_MII is enabled Adrian Bunk
2006-10-26 15:51 ` Randy.Dunlap
2006-10-28 11:21 ` Christoph Hellwig
2006-10-28 21:10 ` David Brownell
2006-10-28 21:13 ` Christoph Hellwig
2006-10-28 22:30 ` David Brownell
2006-10-28 21:39 ` Adrian Bunk
2006-10-31 17:40 ` [linux-usb-devel] " David Brownell
2006-10-31 18:07 ` Adrian Bunk
2006-10-31 19:36 ` David Brownell
2006-11-01 1:23 ` Adrian Bunk
2006-11-02 20:19 ` David Brownell
2006-10-25 23:59 ` [PATCH 1/2] !CONFIG_NET_ETHERNET unsets CONFIG_PHYLIB, but CONFIG_USB_USBNET also needs CONFIG_PHYLIB Randy Dunlap
2006-10-26 2:24 ` David Brownell
2006-10-26 5:05 ` Randy.Dunlap
2006-10-26 5:24 ` David Brownell
2006-10-26 22:45 ` 2.6.19-rc3: known unfixed regressions (v2) Adrian Bunk
2006-10-27 1:02 ` [RFC: 2.6.19 patch] let PCI_MULTITHREAD_PROBE depend on BROKEN Adrian Bunk
2006-10-27 1:20 ` Matthew Wilcox
2006-10-27 1:28 ` Andrew Morton
2006-10-27 2:11 ` Stephen Hemminger
2006-10-27 17:07 ` Greg KH
2006-10-27 17:22 ` Pavel Machek
2006-10-27 18:39 ` Andrew Morton
2006-10-27 18:41 ` vmlinux.lds: consolidate initcall sections Andrew Morton
2006-10-27 18:42 ` [patch] drivers: wait for threaded probes between initcall levels Andrew Morton
2006-10-27 18:47 ` Stephen Hemminger
2006-10-27 20:15 ` Andrew Morton
2006-10-27 20:42 ` Linus Torvalds
2006-10-27 20:48 ` Linus Torvalds
2006-10-28 1:11 ` Greg KH
2006-10-28 1:50 ` Linus Torvalds
2006-10-27 22:59 ` Alan Cox
2006-10-27 23:06 ` Andrew Morton
2006-10-28 5:09 ` Grant Grundler
2006-10-28 5:19 ` Andrew Morton
2006-10-28 5:32 ` Andrew Morton
2006-10-28 6:08 ` Grant Grundler
2006-10-28 20:48 ` Stefan Richter
2006-10-28 23:34 ` Alan Cox
2006-10-29 2:01 ` Randy Dunlap
2006-10-30 9:44 ` Cornelia Huck
2006-10-30 10:48 ` Alan Cox
2006-10-30 12:29 ` Matthew Wilcox
2006-10-27 23:12 ` Olaf Hering
2006-10-27 19:31 ` vmlinux.lds: consolidate initcall sections Haavard Skinnemoen
2006-10-29 10:21 ` Geert Uytterhoeven
2006-10-27 19:44 ` Matthew Wilcox
2006-10-27 20:17 ` Andrew Morton
2006-10-27 20:27 ` Matthew Wilcox
2006-10-27 22:23 ` [RFC: 2.6.19 patch] let PCI_MULTITHREAD_PROBE depend on BROKEN Adrian Bunk
2006-10-27 22:38 ` Andrew Morton
2006-10-28 1:08 ` Greg KH
2006-10-27 23:03 ` Alan Cox
2006-10-27 22:57 ` Alan Cox
2006-10-27 8:27 ` Pavel Machek
2006-10-29 23:13 ` 2.6.19-rc3: known unfixed regressions (v3) Adrian Bunk
2006-10-30 13:56 ` Michael S. Tsirkin
2006-10-30 16:17 ` Jun'ichi Nomura
2006-10-30 16:32 ` Michael S. Tsirkin
2006-10-30 17:20 ` Jun'ichi Nomura
2006-10-30 17:54 ` Michael S. Tsirkin
2006-10-30 16:44 ` Linus Torvalds
2006-10-30 17:34 ` Jun'ichi Nomura
2006-10-30 18:16 ` Linus Torvalds
2006-10-30 18:35 ` Adrian Bunk
2006-10-30 19:00 ` Michael S. Tsirkin
2006-10-30 19:06 ` Hugh Dickins
2006-10-31 12:47 ` Martin Lorenz
2006-10-30 18:58 ` Michael S. Tsirkin
2006-10-31 21:15 ` Michael S. Tsirkin
2006-11-01 3:01 ` 2.6.19-rc <-> ThinkPads Adrian Bunk
2006-11-01 3:15 ` Len Brown
2006-11-01 5:11 ` Ernst Herzberg [this message]
2006-11-01 5:26 ` Linus Torvalds
2006-11-01 5:54 ` Michael S. Tsirkin
2006-11-01 6:16 ` Linus Torvalds
2006-11-01 17:25 ` Andi Kleen
2006-11-01 18:12 ` Michael S. Tsirkin
2006-11-01 18:25 ` Linus Torvalds
2006-11-01 19:33 ` Michael S. Tsirkin
2006-11-01 19:44 ` Linus Torvalds
2006-11-01 19:34 ` Andi Kleen
2006-11-01 19:52 ` Linus Torvalds
2006-11-01 21:15 ` Andi Kleen
2006-11-01 22:35 ` Bill Davidsen
2006-11-01 6:18 ` Michael S. Tsirkin
2006-11-01 9:33 ` Pavel Machek
2006-11-01 12:02 ` Michael S. Tsirkin
2006-11-01 17:17 ` Andi Kleen
2006-11-01 13:50 ` Stefan Seyfried
2006-11-01 16:36 ` Hugh Dickins
2006-11-04 3:49 ` 2.6.19-rc <-> ThinkPads, summary Adrian Bunk
2006-11-04 13:51 ` Hugh Dickins
2006-11-04 14:04 ` Russell King
2006-11-05 6:23 ` Adrian Bunk
2006-11-07 20:06 ` Russell King
2006-11-07 20:19 ` Ernst Herzberg
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