irq conflicts?

Chris Richards cjrichar@dev.tivoli.com
Thu Feb 4 11:51:11 1999


I solved mine by recompiling the kernel to hack out the unused bloat.

(I sent another message, but my mailer wigged... so this could be a
repeat.)

cjr


On Thu, 4 Feb 1999, [iso-8859-7] Γιώργος Βετούλης wrote:

> Hello, I am running kernel 2.0.36 up from redhat 5.0 and I 've set up
> my system for ip forwarding and ip masquerading and all works great using
> the 3com905B-TX to connect to my cable modem and a linksys 16 ISA (nec2000
> compatible) for my LAN. THe corresponding modules are 3c59x and ne.
> I had the great idea of installing an adaptec 2910 scsi card. All went well
> with it but I cannot get the linksys card its own irq.
> I 've said no to 'PnP aware system' in my BIOS setup, and the card itself
> has been set to irq 10 and io=0x240 using a msdos setup program. If I give
> other values the setup program refuses to write to the PROM saying there
> is a conflict.
> In the BIOS settings I am offered a list of IRQs and I can reserve each one
> for PnP/PCI or ISA/EISA. I 've put irq 10 to ISA/EISA.
> 
> During boot time this is what I get
> 
> eth0: 3Com 3c905B Cyclone 100baseTx at 0x7c80, 00:10:5a:08:e5:7f, IRQ 9
>   8K byte-wide RAM 5:3 Rx:Tx split, autoselect/NWay Autonegotiation interface.
>   Enabling bus-master transmits and whole-frame receives.
> ARP: arp called for own IP address
> 
> This is OK
> and then this
> 
> ne.c:v1.10 9/23/94 Donald Becker (becker@cesdis.gsfc.nasa.gov)
> NE*000 ethercard probe at 0x240: not found (invalid signature 42 42).
> ne.c: No NE*000 card found at i/o = 0x240
>   
> Do my problems have to do with the invalid signature?
> 
> The system has a 1995 BIOS, 4 PCI and 4 ISA slots.
> There are PCI video,sound,ethernet and scsi cards and an ISA modem and the linksys.
> In an attempt to economize I also disabled the IRQ for the PCI video.
> 
> I can send /proc/pci and /proc/interrupts if anybody requires it.
> 
> 
> Thanks a lot for any ideas and advice.
> 
> -- 
> G. Vetoulis
>