[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] Re: pv_ops parport trouble
Gerd Hoffmann wrote: > Hi, > > I see on my test box _excessive_ irqs for parport0: > > [root@xeni ~]# cat /proc/interrupts > CPU0 > [ ... ] > 7: 37316845 xen-pirq-pirq parport0 > [ ... ] > 24: 17698 xen-dyn-virq timer0 > [ ... ] > > Something is seriously wrong here ... More info: [root@xeni ~]# cat /proc/interrupts CPU0 1: 0 xen-pirq-pirq i8042 3: 13 xen-pirq-pirq 4: 17 xen-pirq-pirq 7: 17797333 xen-pirq-pirq parport0 8: 1 xen-pirq-pirq rtc0 9: 0 xen-pirq-pirq acpi 16: 0 xen-pirq-pirq uhci_hcd:usb3, uhci_hcd:usb8 18: 0 xen-pirq-pirq uhci_hcd:usb5 19: 14697 xen-pirq-pirq ehci_hcd:usb1, uhci_hcd:usb7, ahci 20: 5142 xen-pirq-pirq eth0 21: 0 xen-pirq-pirq uhci_hcd:usb4 22: 240 xen-pirq-pirq HDA Intel 23: 0 xen-pirq-pirq ehci_hcd:usb2, uhci_hcd:usb6 (XEN) Guest interrupt information: (XEN) IRQ 1 Vec 40: type=IO-APIC-edge status=00000010 in-flight=0 domain-list=0(-S--), (XEN) IRQ 7 Vec 80: type=IO-APIC-level status=00000010 in-flight=1 domain-list=0(PS-M), (XEN) IRQ 8 Vec 88: type=IO-APIC-level status=00000010 in-flight=0 domain-list=0(-S--), (XEN) IRQ 9 Vec 96: type=IO-APIC-level status=00000010 in-flight=0 domain-list=0(-S--), (XEN) IRQ 16 Vec 33: type=IO-APIC-edge status=00000010 in-flight=0 domain-list=0(-S--), (XEN) IRQ 18 Vec 49: type=IO-APIC-edge status=00000010 in-flight=0 domain-list=0(-S--), (XEN) IRQ 19 Vec208: type=IO-APIC-edge status=00000010 in-flight=0 domain-list=0(-S--), (XEN) IRQ 20 Vec 57: type=IO-APIC-edge status=00000010 in-flight=0 domain-list=0(-S--), (XEN) IRQ 21 Vec 41: type=IO-APIC-edge status=00000010 in-flight=0 domain-list=0(-S--), (XEN) IRQ 22 Vec 65: type=IO-APIC-edge status=00000010 in-flight=0 domain-list=0(-S--), (XEN) IRQ 23 Vec216: type=IO-APIC-edge status=00000010 in-flight=0 domain-list=0(-S--), Note that IRQ 7 is *level* triggered and we have a bunch of *shared* irqs which are *edge* triggered. Given this I wonder my test box is able to stay up that long. cheers, Gerd _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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