I have a PPC 8600 running NetBSd 2.0, but sometime the kernel will panic = and has the following message. It there anyone can help me to find out = the problem? Please tell me what information I should post. =20 panic: kernel diagnostic assertion "si->si_refs > 0" failed: file=20 "../../../../arch/powerpc/powerpc/softintr.c", line 116 --=20 arix chen