[linux-dvb] cx88[0] irq loop problem

Mike Adolf mlnx at mho.com
Sat Jan 3 17:10:19 CET 2009


Hi

cx88[0] is causing the following dmesg errors. Is this because cx88[0] appears 3 times for irq 17?

----------------------------------------
dmesg is full of this:

   38.529786] cx88[0]: irq aud [0x1001] dn_risci1* dn_sync*
[   38.529794] cx88[0]: irq aud [0x1001] dn_risci1* dn_sync*
[   38.529803] cx88[0]: irq aud [0x1001] dn_risci1* dn_sync*
[   38.529808] cx88[0]/1: IRQ loop detected, disabling interrupts
[   38.531168] cx88[0]: irq aud [0x1001] dn_risci1* dn_sync*
[   38.541064] cx88[0]: irq aud [0x1001] dn_risci1* dn_sync*
---------------------------------------
My irq assignments are:

          CPU0       CPU1       0:        164          0   
IO-APIC-edge      timer
 1:          2          0   IO-APIC-edge      i8042
 8:         46          0   IO-APIC-edge      rtc0
 9:          0          0   IO-APIC-fasteoi   acpi
12:          4          0   IO-APIC-edge      i8042
16:      54478          0   IO-APIC-fasteoi   uhci_hcd:usb1, nvidia
17:      91099          0   IO-APIC-fasteoi   uhci_hcd:usb2, 
uhci_hcd:usb5, cx88[0], cx88[0], cx88[0]
18:       1778          0   IO-APIC-fasteoi   uhci_hcd:usb6
19:       1277          0   IO-APIC-fasteoi   CMI8738-MC6
22:          2          0   IO-APIC-fasteoi   ehci_hcd:usb3
23:      13510          0   IO-APIC-fasteoi   uhci_hcd:usb4, ehci_hcd:usb7
219:       1665          0   PCI-MSI-edge      eth0
220:      21571          0   PCI-MSI-edge      ahci
NMI:          0          0   Non-maskable interrupts
LOC:      30119      26028   Local timer interrupts
RES:       2397       1806   Rescheduling interrupts
CAL:       3743       3190   function call interrupts
TLB:        424        811   TLB shootdowns
SPU:          0          0   Spurious interrupts
ERR:          0
MIS:          0

-------------------------------------------

Mike



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