SONGWEIA@lenovo.com
2006-Nov-21 06:39 UTC
[Xen-devel] a problem of interrupt in Gos(winxp or vista)
Dear all,
Recently, I find a problem which you can only see 16 interrupts in
Gos(winxp), and as we all known, there is 24 interrupts in a apic. Why? I
have puzzled for long time about this issue. Somebody can help me? Thanks
lot.
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Tian, Kevin
2006-Nov-21 06:45 UTC
RE: [Xen-devel] a problem of interrupt in Gos(winxp or vista)
>From: SONGWEIA@lenovo.com >Sent: 2006年11月21日 14:40 > > >Dear all, > Recently, I find a problem which you can only see 16 interrupts in >Gos(winxp), and as we all known, there is 24 interrupts in a apic. Why? I >have puzzled for long time about this issue. Somebody can help me? >Thanks >lot. >Because qemu itself only supports 16 virtual interrupt lines by far, with identity mapping between pic pin and ioapic pin. Thanks, Kevin _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
Keir Fraser
2006-Nov-21 07:45 UTC
Re: [Xen-devel] a problem of interrupt in Gos(winxp or vista)
On 21/11/06 6:45 am, "Tian, Kevin" <kevin.tian@intel.com> wrote:>> Dear all, >> Recently, I find a problem which you can only see 16 interrupts in >> Gos(winxp), and as we all known, there is 24 interrupts in a apic. Why? I >> have puzzled for long time about this issue. Somebody can help me? >> Thanks >> lot. >> > > Because qemu itself only supports 16 virtual interrupt lines by far, with > identity mapping between pic pin and ioapic pin.This will change today. :-) -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
Tian, Kevin
2006-Nov-21 07:55 UTC
RE: [Xen-devel] a problem of interrupt in Gos(winxp or vista)
>From: Keir Fraser [mailto:keir@xensource.com] >Sent: 2006年11月21日 15:45 >On 21/11/06 6:45 am, "Tian, Kevin" <kevin.tian@intel.com> wrote: >>> >> >> Because qemu itself only supports 16 virtual interrupt lines by far, with >> identity mapping between pic pin and ioapic pin. > >This will change today. :-) > > -- KeirThat''s great. Thanks, Kevin _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel