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"userret.h" kernel assertion panic


with a kernel built from today's sources, I get this reproducible panic:

Starting rarpd.
Starting timed.
panic: kernel diagnostic assertion "l->l_nopreempt == 0" failed: file
"/public/netbsd-developer/sys/sys/userret.h", line 118
cpu0: Begin traceback...
0x0(0xf02ecbc8, 0xf031ba68, 0x76, 0xf031bab8, 0x1, 0x0) at
syscall_plain(0xf4396d88, 0xf4f34fb0, 0x404ac0c8, 0x1, 0x0, 0x4d) at
cpu0: End traceback...
Frame pointer is at 0xf4f34d10
Call traceback:
  pc = 0xf012b490  args = (0xf035de8c, 0x0, 0x0, 0xf034f400, 0x75,
0xffffffff) fp = 0xf4f34d78
  pc = 0xf01ef97c  args = (0x104, 0x0, 0xefffffff, 0xf4f34ef8, 0xf01eec10,
0x1) fp = 0xf4f34de8
  pc = 0xf02c1bf0  args = (0xf032d128, 0xf02ecbc8, 0xf031bab8, 0xf0347800,
0xf034d000, 0x104) fp = 0xf4f34e58
  pc = 0xf02023e4  args = (0xf02ecbc8, 0xf031ba68, 0x76, 0xf031bab8, 0x1,
0x0) fp = 0xf4f34ec0
  pc = 0xf0006578  args = (0xf4396d88, 0xf4f34fb0, 0x404ac0c8, 0x1, 0x0,
0x4d) fp = 0xf4f34f50
  pc = 0x40485a34  args = (0x40600000, 0x4da62, 0xefffdacc, 0x1, 0x10b750,
0x4c) fp = 0xefffda68

dump to dev 7,1 not possible

...any clues?


"It's never straight up and down"     (DEVO)

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