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[Xen-devel] "irq 19: nobody cared!"

To: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-devel] "irq 19: nobody cared!"
From: Nicholas Lee <emptysands@xxxxxxxxx>
Date: Fri, 14 Oct 2005 13:48:24 +1300
Delivery-date: Fri, 14 Oct 2005 00:45:45 +0000
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I've been getting this error regularly during the last week while
compiling and trying to get Xen 3.0.  Possibly related to system load.

Oct 14 12:52:27 localhost kernel: xen-br0: port 3(vif3.1) entering
disabled state
Oct 14 12:53:38 localhost kernel: irq 19: nobody cared!
Oct 14 12:53:38 localhost kernel:
Oct 14 12:53:38 localhost kernel: Call
Trace:<ffffffff8014d930>{__report_bad_irq+48}
<ffffffff8014d9fc>{note_interrupt+92}
Oct 14 12:53:38 localhost kernel:       
<ffffffff8014d30d>{__do_IRQ+189} <ffffffff80115184>{do_IRQ+52}
Oct 14 12:53:38 localhost kernel:       
<ffffffff8010d896>{evtchn_do_upcall+134}
<ffffffff801120e1>{do_hypervisor_callback+17
}
Oct 14 12:53:38 localhost kernel:       
<ffffffff8010d80c>{force_evtchn_callback+12}
<ffffffff8010d80c>{force_evtchn_callback
+12}
Oct 14 12:53:38 localhost kernel:       
<ffffffff8014d201>{handle_IRQ_event+49}
<ffffffff8014d2f7>{__do_IRQ+167}
Oct 14 12:53:38 localhost kernel:        <ffffffff80115184>{do_IRQ+52}
<ffffffff8010d896>{evtchn_do_upcall+134}
Oct 14 12:53:38 localhost kernel:       
<ffffffff801120e1>{do_hypervisor_callback+17}
<ffffffff8010f832>{xen_idle+82}
Oct 14 12:53:38 localhost kernel:       
<ffffffff8010f832>{xen_idle+82} <ffffffff8010f86f>{cpu_idle+31}
Oct 14 12:53:38 localhost kernel:       
<ffffffff8067a79e>{start_kernel+430}
<ffffffff8067a1a8>{x86_64_start_kernel+328}
Oct 14 12:53:38 localhost kernel:
Oct 14 12:53:38 localhost kernel: handlers:
Oct 14 12:53:38 localhost kernel: [usb_hcd_irq+0/112] (usb_hcd_irq+0x0/0x70)
Oct 14 12:53:38 localhost kernel: [usb_hcd_irq+0/112] (usb_hcd_irq+0x0/0x70)
Oct 14 12:53:38 localhost kernel: Disabling IRQ #19
Oct 14 13:05:28 localhost logger: /etc/xen/scripts/block: bind
XENBUS_PATH=backend/vbd/4/2049

IRQ 19 is USB, which is not used on this system. Standard PS2 keyboard
and mouse.

nic@wuwei:~$ cat /proc/interrupts
           CPU0
  1:          8        Phys-irq  i8042
  8:          0        Phys-irq  rtc
  9:          0        Phys-irq  acpi
  12:        102        Phys-irq  i8042
  15:         12        Phys-irq  ide1
  19:     100000        Phys-irq  ohci_hcd:usb1, ohci_hcd:usb2
  25:     991847        Phys-irq  peth0
  27:     124187        Phys-irq  ioc0
256:     567212     Dynamic-irq  timer0
257:          0     Dynamic-irq  console
258:          0     Dynamic-irq  net-be-dbg
259:       2744     Dynamic-irq  xenbus
260:      15302     Dynamic-irq  blkif-backend
261:       6064     Dynamic-irq  vif5.1
NMI:          0
LOC:          0
ERR:          0

0000:01:00.0 USB Controller: Advanced Micro Devices [AMD] AMD-8111 USB
(rev 0b) (prog-if 10 [OHCI])
        Subsystem: Newisys, Inc.: Unknown device 0010
        Flags: bus master, medium devsel, latency 64, IRQ 19
        Memory at fd120000 (32-bit, non-prefetchable) [size=4K]

0000:01:00.1 USB Controller: Advanced Micro Devices [AMD] AMD-8111 USB
(rev 0b) (prog-if 10 [OHCI])
        Subsystem: Newisys, Inc.: Unknown device 0010
        Flags: bus master, medium devsel, latency 64, IRQ 19
        Memory at fd121000 (32-bit, non-prefetchable) [size=4K]

Its likely I'll disable USB for this system anyway, particularly once
I've set up the ipmi console.

--
Nicholas Lee
http://stateless.geek.nz
gpg 8072 4F86 EDCD 4FC1 18EF  5BDD 07B0 9597 6D58 D70C

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