Re: slow softintrs

[Michael <macallan%netbsd.org@localhost>]

Hello,

On Oct 8, 2008, at 3:58 AM, Andrew Doran wrote:

> On Tue, Oct 07, 2008 at 09:42:05PM -0400, Michael wrote:
>
> > I keep getting KASSERT() panics from soft interrupt handlers on SMP
> > macppc, usually it's about curcpu or curthread not being what some
> > mutex expects.
>
> Need specifics to guess what the problem might be.

Finally!
Ten finger copy for lack of serial interfaces...

panic: kernel diagnostic assertion "si->si_cpu == curcpu()" failed:  
file "/usr/src/sys/kern/kern_softint.c, line 517

Stopped in pid 6722.1 (nbmake) at netbsd:cpu_debugger+0x14: lwz r0,  
r1, 0x14
0xd5c57e00: at panic+0x234
0xd5c57e50: at __kernassert+0x4c
0xd5c57e60: at softint_overlay+0x820
0xd5c57ec0: at lwp_userret+0x192
0xd5c57ee0: at syscall_plain+0x250
0xd5c57f40: user SC trap #387 by 0xeffab44c: srr1=0xd032
                        r1=0xffffce30 cr=0x38000022 xer=0 ctr=0xeffab444

Happened during build.sh -j4 distribution on a dual 7400

have fun
Michael