Re: PCI MSI breaks when booting with nosmp

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From: Jean Delvare

Subject: Re: PCI MSI breaks when booting with nosmp

Date: Monday, April 21, 2008 - 1:20 pm

Hi Andi,

Le lundi 21 avril 2008, Andi Kleen a écrit :
quoted text> Jesse Barnes <jbarnes@virtuousgeek.org> writes:
> >
> > Ok, I see this too on my desktop machine.  It looks like we're not getting 
> > interrupts setup correctly in the nosmp case.  Still digging through to see 
> > why though...
> 
> NoSMP disables the io-apic and a lot of modern systems don't work without APIC.
> 
> If you just want to run with a single cpu for testing etc. always use maxcpus=1 
> (not 0, that will disable the APIC too)

In my case, booting with noapic works fine, so I don't think that the problem
is related to APIC being disabled.

-- 
Jean Delvare
Suse L3
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Messages in current thread:

PCI MSI breaks when booting with nosmp, Jean Delvare, (Thu Apr 17, 12:40 pm)

Re: PCI MSI breaks when booting with nosmp, Jesse Barnes, (Thu Apr 17, 1:08 pm)

Re: PCI MSI breaks when booting with nosmp, Jean Delvare, (Thu Apr 17, 1:25 pm)

Re: PCI MSI breaks when booting with nosmp, Jesse Barnes, (Mon Apr 21, 10:43 am)

Re: PCI MSI breaks when booting with nosmp, Andi Kleen, (Mon Apr 21, 11:45 am)

Re: PCI MSI breaks when booting with nosmp, Jesse Barnes, (Mon Apr 21, 12:06 pm)

Re: PCI MSI breaks when booting with nosmp, Jesse Barnes, (Mon Apr 21, 12:35 pm)

Re: PCI MSI breaks when booting with nosmp, Andi Kleen, (Mon Apr 21, 12:41 pm)

Re: PCI MSI breaks when booting with nosmp, Pavel Machek, (Mon Apr 21, 12:43 pm)

Re: PCI MSI breaks when booting with nosmp, Andi Kleen, (Mon Apr 21, 12:44 pm)

Re: PCI MSI breaks when booting with nosmp, Jean Delvare, (Mon Apr 21, 1:20 pm)

Re: PCI MSI breaks when booting with nosmp, Jesse Barnes, (Mon Apr 21, 1:40 pm)

Re: PCI MSI breaks when booting with nosmp, Andi Kleen, (Mon Apr 21, 1:46 pm)

Re: PCI MSI breaks when booting with nosmp, Jean Delvare, (Mon Apr 21, 1:48 pm)

Re: PCI MSI breaks when booting with nosmp, Andi Kleen, (Mon Apr 21, 2:09 pm)

Re: PCI MSI breaks when booting with nosmp, Jesse Barnes, (Mon Apr 21, 2:14 pm)

Re: PCI MSI breaks when booting with nosmp, Jean Delvare, (Tue Apr 22, 6:27 am)

Re: PCI MSI breaks when booting with nosmp, Jesse Barnes, (Tue Apr 22, 8:50 am)

Re: PCI MSI breaks when booting with nosmp, Pavel Machek, (Tue Apr 22, 2:25 pm)

Re: PCI MSI breaks when booting with nosmp, Jesse Barnes, (Tue Apr 22, 4:07 pm)

Re: PCI MSI breaks when booting with nosmp, Jean Delvare, (Wed Apr 23, 7:38 am)

Re: PCI MSI breaks when booting with nosmp, Jesse Barnes, (Wed Apr 23, 8:12 am)

Re: PCI MSI breaks when booting with nosmp, Maciej W. Rozycki, (Wed Apr 23, 11:13 am)

Re: PCI MSI breaks when booting with nosmp, Jesse Barnes, (Wed Apr 23, 11:23 am)

Re: PCI MSI breaks when booting with nosmp, Jesse Barnes, (Wed Apr 23, 11:32 am)

Re: PCI MSI breaks when booting with nosmp, Jean Delvare, (Wed Apr 23, 11:32 am)

Re: PCI MSI breaks when booting with nosmp, Maciej W. Rozycki, (Wed Apr 23, 11:38 am)


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