From: Yinghai Lu <yinghai-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Bjorn Helgaas <bjorn.helgaas-VXdhtT5mjnY@public.gmane.org>
Cc: Linus Torvalds
<torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Jesse Barnes <jbarnes-Y1mF5jBUw70BENJcbMCuUQ@public.gmane.org>,
Jeff Garrett <jeff-184d8XiO+QJg9hUCZPvPmw@public.gmane.org>,
"Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org>,
Linux Kernel Mailing List
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Kernel Testers List
<kernel-testers-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Linux PCI <linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Myron Stowe <myron.stowe-VXdhtT5mjnY@public.gmane.org>,
Matthew Garrett <mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>,
Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>
Subject: Re: [Bug #15124] PCI host bridge windows ignored (works with pci=use_crs)
Date: Thu, 28 Jan 2010 13:14:48 -0800 [thread overview]
Message-ID: <4B61FE48.3090500@kernel.org> (raw)
In-Reply-To: <201001281331.06218.bjorn.helgaas-VXdhtT5mjnY@public.gmane.org>
On 01/28/2010 12:31 PM, Bjorn Helgaas wrote:
> On Thursday 28 January 2010 11:20:04 am Yinghai Lu wrote:
>> On 01/28/2010 08:09 AM, Bjorn Helgaas wrote:
>>> On Wednesday 27 January 2010 10:53:51 pm Yinghai Lu wrote:
>>> We should fix that problem rather than just covering it up by
>>> disabling ACPI. Can you provide any details?
>> that is not covering problem. acpi just cause too many problems.
>>
>> systems using acpi hotplug support, and use acpi aml code to monitor the hotplug status instead of HW
>> and after one or two days will have interrupt storm with sci/acpi interrupt aka 9.
>> ...
>> check many systems have broken acpi?
>> some system acpi code even clear pci bar when just enable acpi at the first point.
>
> Sorry, let me try to be more constructive. You mention some things
> above that might be issues with Linux. I am eager to help fix them.
should be have problem on several parties.
good hw design should let fgpa to monitor that change, instead of have bunch ACPI AML code
on host cpu to do that.
>
> However, to make progress, I need information, not just rumors. Can
> you point me to bug reports? Bugzillas? Ways to reproduce the
> problems?
I asked our HW engineer to update fpga to handle the problem already.
YH
next prev parent reply other threads:[~2010-01-28 21:14 UTC|newest]
Thread overview: 123+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-24 21:54 2.6.33-rc5: Reported regressions from 2.6.32 Rafael J. Wysocki
2010-01-24 21:54 ` [Bug #14791] Something has been broken in the network stack this week Rafael J. Wysocki
2010-01-24 22:18 ` Ben Hutchings
2010-01-24 22:30 ` Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #14937] WARNING: at kernel/lockdep.c:2830 Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #14946] All kernels after 2.6.32-git10 show only 1 CPU Rafael J. Wysocki
2010-01-25 1:41 ` Sid Boyce
[not found] ` <4B5CF6CB.90001-QgLWrMLu8clzjhtm8Ag3mw@public.gmane.org>
2010-01-25 21:04 ` Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #14949] drm_vm.c:drm_mmap: possible circular locking dependency detected Rafael J. Wysocki
2010-01-25 8:28 ` Borislav Petkov
2010-01-24 22:04 ` [Bug #14924] Weird hard hangs when rendering 'some' web-sites in Firefox Rafael J. Wysocki
2010-01-25 13:55 ` Américo Wang
2010-01-25 19:26 ` David
[not found] ` <4B5DF061.1070704-Os2QIKb4eqJd3aXB8m+yKQ@public.gmane.org>
2010-01-25 21:02 ` Rafael J. Wysocki
2010-01-26 3:06 ` Américo Wang
2010-01-24 22:04 ` [Bug #14859] System timer firing too much without cause Rafael J. Wysocki
2010-01-24 22:34 ` Shawn Starr
[not found] ` <201001241734.50803.shawn.starr-bJEeYj9oJeDQT0dZR+AlfA@public.gmane.org>
2010-01-24 23:07 ` Rafael J. Wysocki
2010-01-25 10:35 ` Thomas Gleixner
[not found] ` <alpine.LFD.2.00.1001251103200.2906-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2010-01-25 16:53 ` Shawn Starr
[not found] ` <201001251153.59084.shawn.starr-bJEeYj9oJeDQT0dZR+AlfA@public.gmane.org>
2010-01-25 17:20 ` Thomas Gleixner
[not found] ` <alpine.LFD.2.00.1001251808480.5926-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2010-01-25 17:30 ` Shawn Starr
2010-01-25 20:59 ` Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #14792] Misdetection of the TV output Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #14950] tbench regression with 2.6.33-rc1 Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #15000] Thinkpad dock button no longer works Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #14999] possible circular locking dependency detected in rfkill at suspend Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #15032] Oops in uart_resume_port() on resume Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #15025] Oops in ext4 driver Rafael J. Wysocki
2010-01-24 22:43 ` Steinar H. Gunderson
[not found] ` <20100124224330.GA2230-6Z/AllhyZU4@public.gmane.org>
2010-01-24 23:09 ` Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #15017] kexec regression, radeon/kms irq related (bisected) Rafael J. Wysocki
2010-01-25 3:26 ` Alex Deucher
[not found] ` <a728f9f91001241926m4c19aedbvda295fe3c7daade-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-01-25 6:28 ` Dave Airlie
2010-01-24 22:04 ` [Bug #15036] soft lockup in dmesg after suspend/resume Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #15039] leds_alix2: can't allocate I/O for GPIO Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #15038] drm/ksm: fbdev blanking regression Rafael J. Wysocki
2010-01-24 22:45 ` Johan Hovold
2010-01-24 23:13 ` Rafael J. Wysocki
[not found] ` <201001250013.48523.rjw-KKrjLPT3xs0@public.gmane.org>
2010-01-25 6:28 ` Dave Airlie
2010-01-25 21:07 ` Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #15043] Display goes off with i915.powersave=1 Rafael J. Wysocki
2010-01-27 17:57 ` Jesse Barnes
2010-01-28 5:05 ` Soeren Sonnenburg
2010-02-04 20:09 ` Soeren Sonnenburg
2010-01-24 22:04 ` [Bug #15076] System panic under load with clockevents_program_event Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #15124] PCI host bridge windows ignored (works with pci=use_crs) Rafael J. Wysocki
2010-01-26 7:19 ` Jeff Garrett
2010-01-26 12:48 ` Rafael J. Wysocki
2010-01-26 17:32 ` Bjorn Helgaas
[not found] ` <201001261032.37053.bjorn.helgaas-VXdhtT5mjnY@public.gmane.org>
2010-01-26 18:02 ` Rafael J. Wysocki
2010-01-26 18:17 ` Jesse Barnes
2010-01-26 18:22 ` Yinghai Lu
2010-01-26 22:57 ` Yinghai Lu
[not found] ` <4B5F735B.2040308-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2010-01-27 16:45 ` Bjorn Helgaas
2010-01-27 16:53 ` Jesse Barnes
2010-01-27 20:45 ` Bjorn Helgaas
[not found] ` <201001271345.54454.bjorn.helgaas-VXdhtT5mjnY@public.gmane.org>
2010-01-27 20:50 ` Linus Torvalds
[not found] ` <alpine.LFD.2.00.1001271247450.3570-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2010-01-27 20:59 ` Jesse Barnes
2010-01-27 21:02 ` Jesse Barnes
2010-01-28 1:32 ` Yinghai Lu
2010-01-27 21:03 ` Bjorn Helgaas
[not found] ` <201001271403.41955.bjorn.helgaas-VXdhtT5mjnY@public.gmane.org>
2010-01-27 23:34 ` Yinghai Lu
2010-01-28 4:26 ` Bjorn Helgaas
[not found] ` <1264652762.24020.5.camel-s4l7/+/UzmD/9pzu0YdTqQ@public.gmane.org>
2010-01-28 5:53 ` Yinghai Lu
[not found] ` <4B61266F.1060600-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2010-01-28 10:45 ` Rafael J. Wysocki
2010-01-28 16:09 ` Bjorn Helgaas
[not found] ` <201001280909.46043.bjorn.helgaas-VXdhtT5mjnY@public.gmane.org>
2010-01-28 18:20 ` Yinghai Lu
2010-01-28 19:03 ` Jesse Barnes
2010-01-28 20:28 ` Rafael J. Wysocki
[not found] ` <201001282128.33389.rjw-KKrjLPT3xs0@public.gmane.org>
2010-01-28 20:35 ` Jesse Barnes
2010-01-29 2:44 ` Zhang Rui
[not found] ` <4B61D554.9000003-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2010-01-28 20:20 ` Bjorn Helgaas
2010-01-28 20:31 ` Bjorn Helgaas
[not found] ` <201001281331.06218.bjorn.helgaas-VXdhtT5mjnY@public.gmane.org>
2010-01-28 21:14 ` Yinghai Lu [this message]
2010-01-31 2:45 ` Matthew Garrett
2010-01-28 1:35 ` Jesse Barnes
2010-01-28 4:01 ` Jeff Garrett
2010-01-28 1:50 ` Linus Torvalds
[not found] ` <alpine.LFD.2.00.1001271748300.3570-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2010-01-28 3:24 ` Jesse Barnes
2010-01-28 4:02 ` Jeff Garrett
[not found] ` <20100128040226.GB8964-184d8XiO+QJg9hUCZPvPmw@public.gmane.org>
2010-01-28 16:24 ` Jesse Barnes
2010-01-28 18:13 ` Yinghai Lu
[not found] ` <4B61D3C6.1050104-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2010-01-28 20:12 ` Jesse Barnes
2010-01-28 18:30 ` [PATCH] x86/pci: print ioh resources only Yinghai Lu
[not found] ` <4B61D7C4.1050405-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2010-01-28 18:54 ` Linus Torvalds
2010-01-28 19:10 ` [PATCH -v2] " Yinghai Lu
[not found] ` <4B61E116.6050208-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2010-01-28 19:30 ` Olivier Galibert
[not found] ` <20100128193027.GA13741-dF3JGIbHi9Ffir3NkZym1w@public.gmane.org>
2010-01-28 21:06 ` Yinghai Lu
[not found] ` <201001261902.13911.rjw-KKrjLPT3xs0@public.gmane.org>
2010-01-26 18:21 ` [Bug #15124] PCI host bridge windows ignored (works with pci=use_crs) Linus Torvalds
2010-01-26 18:16 ` Linus Torvalds
[not found] ` <alpine.LFD.2.00.1001260955060.3574-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2010-01-26 18:21 ` Yinghai Lu
[not found] ` <4B5F32A9.7090105-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2010-01-26 18:35 ` Jesse Barnes
2010-01-24 22:04 ` [Bug #15125] hung task - jbd2/dm-1-8 (during raid rebuild) Rafael J. Wysocki
2010-01-24 22:49 ` Michael Breuer
[not found] ` <4B5CCE6D.5060402-P//MSfjsEjDQT0dZR+AlfA@public.gmane.org>
2010-01-24 23:14 ` Rafael J. Wysocki
[not found] ` <201001250014.36889.rjw-KKrjLPT3xs0@public.gmane.org>
2010-01-30 19:21 ` Michael Breuer
2010-01-24 22:04 ` [Bug #15131] [OOPS] radeon kms Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #15128] Boot regression on AMD Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #15129] [drm:i915_gem_execbuffer] *ERROR* i915_gem_do_execbuffer returns -512 Rafael J. Wysocki
2010-01-27 17:58 ` Jesse Barnes
2010-01-27 21:03 ` Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #15126] REGRESSION for RT2561/RT61 in 2.6.33 Rafael J. Wysocki
2010-01-24 22:32 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1001241730360.441-100000-pYrvlCTfrz9XsRXLowluHWD2FQJk+8+b@public.gmane.org>
2010-01-24 22:34 ` Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #15132] OOPS's with large initramfs Rafael J. Wysocki
2010-01-24 22:55 ` Nigel Kukard
[not found] ` <4B5CCFC5.1090002-pYARk8SH/DY@public.gmane.org>
2010-01-24 23:15 ` Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #15133] Wake on LAN doesn't work in sky2 Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #15139] e1000: transmit queue 0 timed out Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #15138] evdev regression on macbook Rafael J. Wysocki
2010-01-24 22:04 ` [Bug #15137] NULL pointer dereference in vlan_skb_recv Rafael J. Wysocki
2010-01-25 13:43 ` Américo Wang
2010-01-25 21:07 ` Rafael J. Wysocki
[not found] ` <201001252207.53023.rjw-KKrjLPT3xs0@public.gmane.org>
2010-01-25 21:30 ` David Miller
[not found] ` <20100125.133024.41664373.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2010-01-25 21:58 ` Rafael J. Wysocki
-- strict thread matches above, loose matches on Subject: below --
2010-02-01 0:18 2.6.33-rc6: Reported regressions from 2.6.32 Rafael J. Wysocki
2010-02-01 0:22 ` [Bug #15124] PCI host bridge windows ignored (works with pci=use_crs) Rafael J. Wysocki
2010-02-01 5:40 ` Yinghai Lu
2010-02-02 20:42 ` Rafael J. Wysocki
2010-02-02 20:50 ` Jeff Garrett
[not found] ` <20100202205031.GB13949-184d8XiO+QJg9hUCZPvPmw@public.gmane.org>
2010-02-02 21:13 ` Rafael J. Wysocki
2010-02-02 20:55 ` Bjorn Helgaas
2010-02-02 21:15 ` Rafael J. Wysocki
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