[linux-dvb] "irq 7: nobody cared!" after upgrade to SuSE 9.3.

Oliver Endriss o.endriss at gmx.de
Mon Apr 18 19:05:23 CEST 2005

Carsten Koch wrote:
> I upgraded my VDR system from SuSE 9.2 with vanilla kernel 2.6.11
> to SuSE 9.3 with SuSE kernel
> In both cases I use the DVB drivers that came with the kernel.
> With the SuSE kernel, I am getting "irq 7: nobody cared" quite
> often (18 times yesterday). Here is the latest:

Iirc this is a very old problem with 8259-style interrupt controllers.

If an interrupt input is not asserted long enough the chip is unable to
identify the real interrupt source. It will detect a phantom IRQ 7 irq.

Try to assign a different interrupt to the pci slot.


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