Re: ACPI problems

[Sepherosa Ziehau <sepherosa@xxxxxxxxx>]

On Thu, Apr 14, 2011 at 8:36 AM, Sepherosa Ziehau <sepherosa@gmail.com> wrote:
> On Thu, Apr 14, 2011 at 1:14 AM, ejc <eric.j.christeson@gmail.com> wrote:
>> I've been tracking HEAD for a while now and it broke this morning. It
>> boots fine with ACPI disabled.
>> Here's what I see as relevant from the boot log:
>>
>> pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
>> pci0: <ACPI PCI bus> on pcib0
>> acpi_config_intr: Skip SCI config
>> vgapci0: <VGA-compatible display> port 0xefa8-0xefaf mem
>> 0xfeb80000-0xfebfffff,0xe8000000-0xefffffff irq 11 at device 2.0 on
>> pci0
>> agp0: <Intel 82865G (865G GMCH) SVGA controller> on vgapci0
>> agp0: detected 8060k stolen memory
>> agp0: aperture size is 128M
>> drm0: <Intel i865G GMCH> on vgapci0
>> vgapci0: child drm0 requested pci_enable_busmaster
>> info: [drm] AGP at 0xe8000000 128MB
>> info: [drm] Initialized i915 1.6.0 20080730
>> pcib1: <ACPI PCI-PCI bridge> at device 30.0 on pci0
>> pci1: <ACPI PCI bus> on pcib1
>> em0: <Intel(R) PRO/1000 Network Connection 82540EM 6.9.6> port
>> 0xdf40-0xdf7f mem 0xfeae0000-0xfeafffff irq 9 at device 12.0 on pci1
>> em0: Unable to allocate bus resource: interrupt
>> em0: Allocation of PCI resources failed
>> device_probe_and_attach: em0 attach returned 6
>> isab0: <PCI-ISA bridge> at device 31.0 on pci0
>> isa0: <ISA bus> on isab0
>> atapci0: <Intel ICH5 UDMA100 controller> port
>> 0xffa0-0xffaf,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 mem
>> 0xfeb7fc00-0xfeb7ffff irq 9 at device 31.1 on pci0
>> ata0: <ATA channel 0> on atapci0
>> ata1: <ATA channel 1> on atapci0
>> acd0: DMA limited to UDMA33, controller found non-ATA66 cable
>> disk scheduler: set policy of acd0 to noop
>> acd0: DVDR <ATAPI DVD A DH20A4H/QP53> at ata1-master UDMA33
>> atapci1: <Intel ICH5 SATA150 controller> port
>> 0xfea0-0xfeaf,0xfe30-0xfe33,0xfe20-0xfe27,0xfe10-0xfe13,0xfe00-0xfe07
>> irq 9 at device 31.2 on pci0
>> atapci1: unable to map interrupt
>> device_probe_and_attach: atapci1 attach returned 6
>> ichsmb0: <Intel 82801EB (ICH5) SMBus controller> port 0xefe0-0xefff
>> irq 5 at device 31.3 on pci0
>> smbus0: <System Management Bus> on ichsmb0
>>
>>
>> Note the 'Skip SCI config' message and the fact that the 2 devices
>> trying to use irq 9 can't use it.
>>
>> It appears related to commit 3a32a4c6817bea6229e54f81d2e9be3fa8b059d3.
>>
>> That contains the 'Skip SCI config' line.  From what I can tell, irq 9
>> doesn't get configured because
>> it's the SCI interrupt, but this stuff is voodoo magick to me :-)
>>
>> Normally I'd just change BIOS settings so these devices would use a
>> different irq, but this BIOS doesn't
>> have those knobs.
>>
>> Let me know if I can provide more information.  A verbose boot doesn't

Please test the latest master:
27930d8186903c7659e38dd7adcf7589587530d4

I think it is fixed.

Best Regards,
sephe

>
> Temporary solution is to set:
> hw.acpi.sci.trigger="level"
> hw.acpi.sci.polarity="low"
>
> I have made some changes in my local git tree, which will try
> detecting SCI interrupt mode.  I will commit it tomorrow.
>
> Best Regards,
> sephe
>
> --
> Tomorrow Will Never Die
>



-- 
Tomorrow Will Never Die