Hi, found some more stuff, maybe this has something to do with it.

[    8.845436] PCI quirk: region 1000-107f claimed by ICH6 ACPI/GPIO/TCO
[    8.845485] PCI quirk: region 1300-133f claimed by ICH6 GPIO

[    8.846167] PCI: Transparent bridge - 0000:00:1e.0
[    8.846274] PCI: Bus #07 (-#0a) is hidden behind transparent bridge #06 
(-#06) (try 'pci=assign-busses')
[    8.846329] Please report the result to linux-kernel to fix this permanently

(OK, it is only copied from my dmesg, but I think it has something to do
with the  Texas Instruments PCIxx21 Integrated FlashMedia Controller and
the transparent bridge) But it is also possible that I am very wrong.
I'm just guessing.

More info for the apic

[    8.393662] Local APIC disabled by BIOS -- you can enable it with
"lapic"

The problem appears on a Laptop with limited bios settings (actually I
can only set the Time and the boot order). I also tried to use a fixed
DSDT Table from http://acpi.sourceforge.net/ . But this also didn't
help.

@svetj 
Sorry I can't help you further. I read your thread and found some useful info 
for my problem, but don't know if the problems have something in common. 
Because my sound is working fine even without irqpoll. So thanks for your 
answer anyway.

And thanks to those who trying to solve this problem.

-- 
irq 11: nobody cared (try booting with the "irqpoll" option)
https://bugs.launchpad.net/bugs/112508
You received this bug notification because you are a member of Ubuntu
Bugs, which is the bug contact for Ubuntu.

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