Panic: kernel memory fault

From: Gavin Kreuiter <gavin_at_transactive.usko.com>
Date: Sun, 30 Apr 2000 20:57:43 +0200

Hi Managers

Our DUV4.0D panicked with a kernel memory fault; trace:

Begin Trace for machine_slot[paniccpu].cpu_panic_thread:
> 0 boot() ["../../../../src/kernel/arch/alpha/machdep.c":1890,
0xfffffc00004b72b8]
   1 panic(s = 0xfffffc0000642d88 = "kernel memory fault")
["../../../../src/kernel/bsd/subr_prf.c":834, 0xfffffc0000284d94]
   2 trap(a0 = (...), a1 = (...), a2 = (...), code = 0x20, exc_frame =
0xffffffff9023b278) ["../../../../src/kernel/arch/alpha/trap.c":1659,
0xfffffc00004be9cc]
   3 _XentMM(0x0, 0xfffffc000033e68c, 0xfffffc000067c530, 0x0, 0x32807a)
["../../../../src/kernel/arch/alpha/locore.s":1645, 0xfffffc00004b3a04]
   4 overlay_xtnt_map(0x457f0000024b, 0x249, 0x7fc0, 0x1240, 0x249)
["../../../../src/kernel/msfs/bs/bs_inmem_map.c":3990, 0xfffffc000033e688]
   5 switch_stg(0xffffffff803b88d0, 0xffffffff9023b5a0, 0xffffffff9023b5a8,
0x1, 0x800100000001)["../../../../src/kernel/msfs/bs/bs_migrate.c":1832,
0xfffffc00003411d0]
   6 migrate_normal(0x0, 0xfffffffffffffbee, 0x0, 0xfffffc000c7a6ef0,
0xfffffc00003667c4) ["../../../../src/kernel/msfs/bs/bs_migrate.c":991,
0xfffffc0000340628]
   7 mig_migrate(0x2, 0xffffffffffffffff, 0xffff, 0x0, 0xfffffc000033ff14)
["../../../../src/kernel/msfs/bs/bs_migrate.c":555, 0xfffffc0000340094]
   8 bs_migrate(0xfffffffffffffbfd, 0xfffffffffffffbc8, 0xfffffc000fa4a008,
0x1000004570, 0xffff) ["../../../../src/kernel/msfs/bs/bs_migrate.c":470,
0xfffffc000033ff60]

... etc.

Any idea what overlay_xtmt_map could be doing, & and it would cause a panic?

I believe, but haven't been able to confirm, that the latest PK6 (20000209)
was installed on 9 April.

Tia
Gavin Kreuiter
gavin_at_transactive.usko.com
Received on Sun Apr 30 2000 - 18:55:08 NZST

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