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xen-devel
Re: [Xen-devel] [PATCH] xen: implement vector callback for evtchn delive
Dmesg log ( attached to my first report ) also shows :-
[ 2.932460] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc320 irq 14
[ 2.933404] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc328 irq 15
I am not using emulated CDROM . Originally HVM was installed via virt-install using
ISO image. Nothing else.
I will verify "virsh dumpxml LucidHVM" one more time ( shortly).
Boris.
--- On Thu, 5/27/10, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> wrote:
From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] xen: implement vector callback for evtchn delivery
To: "Boris Derzhavets"
<bderzhavets@xxxxxxxxx>
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxxx>, "Stefano Stabellini" <Stefano.Stabellini@xxxxxxxxxxxxx>
Date: Thursday, May 27, 2010, 10:58 AM
On Thu, 27 May 2010, Boris Derzhavets wrote:
> root@LucidSRV:~# cat /proc/interrupts
> CPU0 CPU1
> 0: 29 0 IO-APIC-edge timer
> 1: 107 0 IO-APIC-edge i8042
>
4: 1 0 IO-APIC-edge
> 6: 2 0 IO-APIC-edge floppy
> 8: 0 0 IO-APIC-edge rtc0
> 9: 0 0 IO-APIC-fasteoi acpi
> 12: 187 496 IO-APIC-edge i8042
> 14:
0 0 IO-APIC-edge ata_piix
> 15: 933 0 IO-APIC-edge ata_piix
> 16: 293 0 xen-dyn-event xenbus
> 17: 5059 0 xen-dyn-event blkif
> 18: 0 0 xen-dyn-event blkif
> 19: 72
0 xen-dyn-event eth0
> 23: 0 0 IO-APIC-fasteoi uhci_hcd:usb1
> 36: 0 0 IO-APIC-fasteoi Ensoniq AudioPCI
> NMI: 0 0 Non-maskable interrupts
> LOC: 2767 2901 Local timer interrupts
> SPU: 0 0 Spurious interrupts
> PMI:
0 0 Performance monitoring interrupts
> PND: 0 0 Performance pending work
> PLT: 5211 0 Platform interrupts
> RES: 1189 1949 Rescheduling interrupts
> CAL: 130 89 Function call interrupts
> TLB: 230 179 TLB shootdowns
> TRM: 0 0 Thermal
event interrupts
> THR: 0 0 Threshold APIC interrupts
> MCE: 0 0 Machine check exceptions
> MCP: 1 1 Machine check polls
> ERR: 0
> MIS: 0
>
You definitely have the vector callback enabled.
I am not sure why you receive so many ata_piix interrupts given that you
shouldn't be using the emulated disk at all.
Maybe you are reading from an emulated cdrom?
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