new interrupts not working for me

Peter Schultz pmes at
Wed Nov 5 17:51:29 PST 2003

John Baldwin wrote:
> On 05-Nov-2003 Peter Schultz wrote:
>>I have a Tyan S1832DL w/dual pii 350s and it's not able to boot.  Seems 
>>to be having trouble with my adaptec scsi controller, I get a whole 
>>bunch of output like this hand transcribed bit, it comes after "waiting 
>>15 seconds for scsi devices to settle":
>>ahc0 timeout SCB already complete interrupts may not be functioning
>>Infinite interrupt loop INTSTAT=0(probe3:ahc0:0:3:0): SCB 0x6 - timed out
>>Anyone else seeing this?  There are probably 100+ related lines of 
>>output, I'll have to configure serial debugging if you need to see it.
> The dmesg output excluding all the ahc0 errors would help figure out
> why your interrupts aren't working.  However, I just committed a patch
> that might fix your problem.
Now the kernel just dies and the machine reboots right in the beginning 
when it's setting up the ACPI/APIC stuff.  Of course, with ACPI off, 
there's no apparent problem with the kernel.


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