intr_machdep.c:176:2: error: use of undeclared identifier 'interrupt_sorted'

[Konstantin Belousov]

On Fri, Aug 31, 2018 at 12:21:02AM -0400, Michael Butler wrote:
> On 8/29/18 7:40 PM, John Baldwin wrote:
> > On 8/29/18 4:20 PM, Ian FREISLICH wrote:
> >> Hi
> >>
> >> I see the definition of interrupt_sorted is #ifdefed out by #ifdef SMP
> >> at line 84.  My system is UP <gasp> so I'm not compiling an SMP kernel.
> >>
> >> /usr/src/sys/x86/x86/intr_machdep.c:176:2: error: use of undeclared
> >> identifier 'interrupt_sorted'; did you mean 'interrupt_sources'?
> >>         interrupt_sorted = mallocarray(num_io_irqs,
> >> sizeof(*interrupt_sorted),
> >>         ^~~~~~~~~~~~~~~~
> >>         interrupt_sources
> >> /usr/src/sys/x86/x86/intr_machdep.c:83:24: note: 'interrupt_sources'
> >> declared here
> >> static struct intsrc **interrupt_sources;
> >>                        ^
> >> /usr/src/sys/x86/x86/intr_machdep.c:176:54: error: use of undeclared
> >> identifier 'interrupt_sorted'; did you mean 'interrupt_sources'?
> >>         interrupt_sorted = mallocarray(num_io_irqs,
> >> sizeof(*interrupt_sorted),
> > 
> > Probably just needs #ifdef SMP around the mallocarray().  I'll test locallyon a UP kernel config.
> > 
> 
> I see another problem after using Ian's workaround of moving the #ifdef
> SMP; it seems I now run out of kernel stack on an i386 (Pentium-III)
> machine with only 512MB of RAM:
> 
> Aug 29 23:29:19 sarah kernel: vm_thread_new: kstack allocation failed
> Aug 29 23:29:26 sarah kernel: vm_thread_new: kstack allocation failed
> Aug 29 23:29:30 sarah kernel: vm_thread_new: kstack allocation failed
> Aug 29 23:29:38 sarah kernel: vm_thread_new: kstack allocation failed
> Aug 29 23:29:38 sarah kernel: vm_thread_new: kstack allocation failed
> Aug 29 23:29:40 sarah kernel: vm_thread_new: kstack allocation failed

What is the kernel revision for "now".  What was the previous revision
where the kstack allocation failures did not happen.

Also, what is the workload ?