Mailinglist Archive: opensuse (4547 mails)

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Re: [SLE] my second serial port has vanished ;-(
  • From: Constant Brouerius van Nidek <constant@xxxxxxxxxxx>
  • Date: Sun, 23 May 2004 12:24:12 +0700
  • Message-id: <200405231224.12842.constant@xxxxxxxxxxx>
On Sunday 23 May 2004 10:09, BandiPat wrote:
> On Saturday 22 May 2004 03:42 pm, Marshall Heartley wrote:
> > <snip>
> >
> > > # cat /proc/interrupts
> > > CPU0
> > > 0: 32315110 XT-PIC timer
> > > 1: 7730 XT-PIC keyboard
> > > 2: 0 XT-PIC cascade
> > > 3: 5 XT-PIC NE2000 <------- Is this your
> > > NIC card? 5: 2240 XT-PIC bttv
> > > 8: 2 XT-PIC rtc
> > > 10: 629 XT-PIC Ensoniq AudioPCI
> > > 11: 4476 XT-PIC usb-uhci
> > > 12: 1316767 XT-PIC PS/2 Mouse
> > > 14: 33833 XT-PIC ide0
> > > 15: 5793 XT-PIC ide1
> > > NMI: 0
> > > LOC: 0
> > > ERR: 1
> > > MIS: 0
> >
> > I noticed that a device is already using IRQ3. You will need to
> > assign it a new IRQ.
> > Looks to be a NIC card.
>
> [...]
>
> > Well the command shows that there is a UART available there.
> > This is good. I
> > suspect that your NIC has control over IRQ 3 though.
> >
> > Go into BIOS and see if you can assign another IRQ to the NIC or
> > the serial port.
> >
> > Other options are you can move the NIC card to another slot and
> > see if ttyS1 works after
> > the move.
> >
> > Let us know how this goes!
> >
> > Marshall
>
> ***********
>
> I'm curious about one thing. In your BIOS, do you have PNP OS=YES?
> If you do, then change that to NO and see if things clear up for
> you. In all of the Manuals, it specifies you set this option to
> NO, so the hardware will set the IRQs rather then let the OS do it,
> which usually causes conflicts. Another reason for taking time to
> read the great SuSE manuals included with each package.
>
> Stupid IRQs! 2004 and IRQs are still around and a pure PITA!
>
> Lee
> --
cat /proc/interrupts
CPU0
0: 650810 XT-PIC timer
1: 652 XT-PIC keyboard
2: 0 XT-PIC cascade
5: 5 XT-PIC NE2000
8: 2 XT-PIC rtc
9: 164 XT-PIC bttv
10: 631 XT-PIC Ensoniq AudioPCI
11: 2275 XT-PIC usb-uhci
12: 66092 XT-PIC PS/2 Mouse
14: 10609 XT-PIC ide0
15: 984 XT-PIC ide1
NMI: 0
LOC: 0
ERR: 0
MIS: 0


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