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Old 07-03-2005, 06:21 AM   #1
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Starting PCMCIA during boot displays IRQ error

I'm using SuSE 9.2 on a Dell Cpt V notebook and when I boot the computer after I insert my LaCie Combo PC card for USB 2.0 and Firewire 400 in the PCMCIA slot, I get an IRQ message when the PCMCIA service is initiated and the boot fails.

The output I receive when I boot the computer shows me this message :

Starting PCMCIA... Disabling IRQ#11 OK
Checking for new hardware...

After that line the system hangs and the boot doesn't complete.

If I remove the PC card then the system boots without any problems.

I would be grateful for any suggestions as to what might be the problem that occurs when I use the PC card and what can be done to overcome it.

Thank you in advance for any comments and advice you contribute.

Old 07-03-2005, 07:43 PM   #2
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Make sure you have PnP (plug and play, plug and pray, plug and pay, whichever seize you) in your kernel... some (stupid and broken) ACPI implementation need PnP to work properly...
Make sure PnP is on in your BIOS too.
Old 07-09-2005, 10:31 PM   #3
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The problem I had occured because I was booting SuSE 9.2 with the LaCie Combo card in the PCMCIA slot and also had a device in the laptop's native USB 1.1 port.

This caused IRQ errors and neither the device in the USB 1.1 port nor the LaCie Combo card were properly identified but when I leave the USB 1.1 port empty, then the LaCie Combo card is correctly identified and any device I plug into its USB 2.0 or FireWire port is found and works properly.

Similarly when I use a device in the native USB 1.1 port of the laptop and leave the PCMCIA slot empty, then the device will also work properly and no errors appear during booting.
Old 07-11-2005, 07:02 AM   #4
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Unfortunately the problem with the IRQ has returned again and the PC card is not operating at all when I boot the computer with the card in the PCMCIA slot.

I don't know how I can check whether PnP is present in the SuSE 9.2 kernel but I do know that the BIOS of my notebook doesn't allow me to enable PnP when I enter the BIOS setup after turning on the computer because I can't see any option in the BIOS menus that refers to PnP.

I can't understand why it managed to identify the PC card without any IRQ errors in the last few days but now I receive the same IRQ problems and whenever the PC card is the slot when I boot into SuSE I always see the message "irq 11 nobody cared!" and "disabling irq #11" in the section of the dmesg output that refers to initiation of the yenta module.


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