Re: irq issues ("nobody cared")

I have to reply myself with a workaround and in my case it's a part time
solution:
rmmod uhci_hcd
As you can see in /proc/bus/usb/devices, I've got a Peppercon eric card,
which contains the irq16+17 handled usb devices (obviously
keybord&mouse). Whenever I really need it, I'll modprobe it. That's
still ok, because the "nobody cared" message appears after quite a
while. But I won't need it as for kernel upgrades I can even shutdown -r
from an ssh shell, which is enough for the card's purpose (show grub &
bios menus).
Without the module, the messages don't arise anymore.
Regards, Michael

Michael Kress wrote:
I'm having trouble with irqs ...

Oct 8 10:38:51 matrix kernel: irq 16: nobody cared (try booting with
the "irqpoll" option)
Oct 8 10:38:51 matrix kernel:
Oct 8 10:38:51 matrix kernel: Call Trace: <IRQ>
<ffffffff801519b0>{__report_bad_irq+48}
Oct 8 10:38:51 matrix kernel:
<ffffffff80151c0f>{note_interrupt+511} <ffffffff80151324>{__do_IRQ+212}
Oct 8 10:38:51 matrix kernel: <ffffffff8010dae4>{do_IRQ+68}
<ffffffff80250fad>{evtchn_do_upcall+205}
Oct 8 10:38:51 matrix kernel:
<ffffffff8010ba0a>{do_hypervisor_callback+30}
<ffffffff8011da36>{ia32_syscall+30 }
Oct 8 10:38:51 matrix kernel:
<ffffffff8010722a>{hypercall_page+554}
<ffffffff8010722a>{hypercall_page+554}
Oct 8 10:38:51 matrix kernel:
<ffffffff80250eda>{force_evtchn_callback+10}
<ffffffff80134587>{__do_softirq+103 }
Oct 8 10:38:51 matrix kernel:
<ffffffff8010beda>{call_softirq+30} <ffffffff8010dc97>{do_softirq+71}
Oct 8 10:38:51 matrix kernel: <ffffffff8010dae9>{do_IRQ+73}
<ffffffff80250fad>{evtchn_do_upcall+205}
Oct 8 10:38:51 matrix kernel:
<ffffffff8010ba0a>{do_hypervisor_callback+30} <EOI>
Oct 8 10:38:51 matrix kernel: <ffffffff8011da36>{ia32_syscall+30}
Oct 8 10:38:51 matrix kernel: handlers:
Oct 8 10:38:52 matrix kernel: [<ffffffff802aa310>] (usb_hcd_irq+0x0/0x60)
Oct 8 10:38:52 matrix kernel: [<ffffffff802aa310>] (usb_hcd_irq+0x0/0x60)
Oct 8 10:38:52 matrix kernel: Disabling IRQ #16

Sometimes it's also irq 17. Of course I tried irqpoll, but that's no use
here.

...
[root@matrix ~]# cat /proc/bus/usb/devices

...
T: Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=14dd ProdID=1002 Rev= 0.01
S: Manufacturer=Peppercon AG
S: Product=MultiDevice
S: SerialNumber=123456789012
C:* #Ifs= 2 Cfg#= 1 Atr=80 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=01 Prot=01 Driver=usbhid
E: Ad=84(I) Atr=03(Int.) MxPS= 8 Ivl=10ms
I: If#= 1 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=00 Prot=02 Driver=usbhid
E: Ad=83(I) Atr=03(Int.) MxPS= 8 Ivl=10ms


--
Michael Kress, kress@xxxxxxxxxxx
http://www.michael-kress.de / http://kress.net
P E N G U I N S A R E C O O L

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