Am 02.02.2012 21:00, schrieb mn0:
> Am 02.02.2012 04:12, schrieb Ross Hamblin:
>> On 02/02/12 15:56, mn0 wrote:
>>> IRQ fiddling is fun. Does anyone want to employ a perfectly trained pci
>>> card dis- and re-mounter?
>>> I can also restore BIOSes with corrupted checksums...
>>> I don't know what to do... one of the cards' interrupts is magically
>>> attracted by hdd controllers, either it's ata and usb or it's ide.
>>> BIOS options are totally pointless, yet changing something but in an
>>> unforeseeable manner.
>>> I could disable the IDE controller if there wasn't the os on an ide hdd.
>>> This would also be a stupid approach.
>>> I'll try again in a few hours...
>>> /mn0
>>>
>>>
>>
>> I probably missed something as I lost track with the split threads, but
>> did you check your interrupts in linux to see whether there are any free
>> IRQs? If there are free IRQs you could try using the BIOS option to
>> reassign the card to a free interrupt. If Linux is running in PIC
>> instead of APIC mode there will be way less interrupts to choose from -
>> if is APIC then cat /proc/interrrupts will show IRQs above 24 (IIRC)
>> otherwise you could look at enabling APIC which should allow the card to
>> take a higher and hopefully free IRQ.
>> Sorry for the noise if this was already covered.
>>
>> HTH
>> Ross.
>>
>
> Not covered, yet.
> APIC is enabled, but thanks for "cat /proc/interrrupts", makes it a
> little easier.
> There are indeed free interrupts/numbers not listed in /proc interrupts.
> Only my BIOS settings are ignored when trying to assign certain devices
> to IRQs. The BIOS options are also the wrong way: I can assign an IRQ#
> to one or a group of devices... one of the devices is always grouped
> with hdd. So I could assign a different IRQ# to the group, but don't
> split it, to have the card on a single IRQ.
>
> /mn0
>
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>
Good news:
Now both cards now have an IRQ for themselves.
Bad news: Still xruns.
More on that later.
/mn0
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Received on Fri Feb 3 00:15:02 2012
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