new interrupt code: panic when going multiuser

John Baldwin jhb at
Tue Nov 4 09:19:37 PST 2003

On 04-Nov-2003 Lukas Ertl wrote:
> On Tue, 4 Nov 2003, John Baldwin wrote:
>> On 04-Nov-2003 Lukas Ertl wrote:
>> > On Tue, 4 Nov 2003, Lukas Ertl wrote:
>> >
>> >> I somehow can't get at a good vmcore :-(.  But I found out that the
>> >> machine boots fine in "Safe Mode", where DMA and hw.ata.wc is turned off.
>> >
>> > Ok, if I set hw.ata.ata_dma=0 in loader.conf, it boots fine.  Could there
>> > be some issue with ATAng + new interrupt code?
>> Can you provide a dmesg please?  There may be a weird issue with
>> some PPro's for example that I haven't been able to test.
> Sorry for the noise, I think I found the problem: I had to put "options
> SMP" and "device apic" into the kernel, now everythings seems to run fine.
> I thought they were only needed for SMP kernels, that's at least what
> the comment in GENERIC says...  If you still want the dmesg, I can send it
> to you.

Well, a kernel without SMP and just 'device apic' should work fine, and
a kernel with both SMP and 'device apic' should also work fine.


John Baldwin <jhb at>  <><
"Power Users Use the Power to Serve!"  -

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