v2399p6: IRQ conflict

From: Meino Christian Cramer (mccramer@s.netic.de)
Date: Thu Apr 27 2000 - 01:37:39 EST


Hi!

 While booting, I got this in my boot.log/dmesg putput:

 Linux version 2.3.99-pre6 (root@solfire) (gcc version 2.95.2 19991024 (release)) #2 Thu Apr 27 07:28:45 CEST 2000
 (...)
 Freeing unused kernel memory: 196k freed
 0x378: FIFO is 16 bytes
 0x378: writeIntrThreshold is 8
 0x378: readIntrThreshold is 8
 0x378: PWord is 8 bits
 0x378: Interrupts are ISA-Pulses
 0x378: possible IRQ conflict! <<<<<<<<!!!!!!
 0x378: ECP port cfgA=0x10 cfgB=0x00
 0x378: ECP settings irq=<none or set by other means> dma=<none or set by other means>
 parport0: PC-style at 0x378 (0x778), irq 7, dma 1 [PCSPP,TRISTATE,ECP,DMA]
 parport0: cpp_daisy: aa5500ff(08)
 parport0: assign_addrs: aa5500ff(08)
 parport0: cpp_daisy: aa5500ff(08)
 parport0: assign_addrs: aa5500ff(08)
 parport_pc: Via 686A parallel port: io=0x378, irq=7, dma=1
 lp0: using parport0 (interrupt-driven).
 Adding Swap: 65008k swap-space (priority -1)

 I checked my ISA-soundcard, which also occupies two IRQs and DMA-channels,
 but those are: IRQ:11 DMA:5,6

 /proc/sys/dev/parport/parport0/hardware displays:

 base: 0x378 (0x778)
 irq: 7
 dma: 1
 modes: PCSPP,TRISTATE,ECP,DMA

 What is happening here?

 How can I check for that IRQ-conflict mentioned above, whether ist really
 exists or only is some hickup of confused hardware???
 
 Thanks for any hint!

 

 KEEP HACKING!
 Meino

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