kernel version 2.3.41 for Alpha. An updated Core Analysis Suite is also available.
Attached is a sample stack trace for a (forced) memory fault in the tulip interrupt
handler on processor 0, and an idle processor 1. These tools may be found at
http://www.missioncriticallinux.com/download.
Dave Winchell
Dave Anderson
# crash /var/dumps/lcore.cr.96 /var/dumps/vmlinux.96
crash 2.1
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Copyright 1998 Free Software Foundation, Inc.
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This GDB was configured as "alphaev6-unknown-linux-gnu"...
KERNEL: /var/dumps/vmlinux.96
DUMPFILE: /var/dumps/lcore.cr.96
CPUS: 2
DATE: Tue Feb
1 04:57:25 2000
UPTIME: 00:02:26
LOAD AVERAGE: 0.50, 0.33, 0.12
TASKS: 36
NODENAME: lab2.mclinux.com
RELEASE: 2.3.41
VERSION: #13 SMP Tue Feb 1 04:50:24 EST
2000
MACHINE: alpha (500 MHz)
MEMORY: 512 MB
PANIC: "die_if_kernel"
PID: 0
COMMAND: "swapper"
TASK: fffffc00004d0000
(1 of 2)
CPU: 0
STATE: TASK_RUNNING (PANIC)
crash> bt -a
PID: 0 TASK: fffffc00004d0000 CPU: 0 COMMAND:
"swapper"
#0 [fffffc00004d3be8] crash_save_current_state at fffffc0000333a9c
#1 [fffffc00004d3bf8] panic at fffffc0000324718
#2 [fffffc00004d3c98] die_if_kernel at fffffc00003113d0
#3 [fffffc00004d3cc8] do_page_fault at fffffc000031d550
#4 [fffffc00004d3d08] entMM at fffffc000031055c
EFRAME: fffffc00004d3d40 R24:
fffffc000050dc00
R0: 0000000000000000
R25: 000000000000006e
R1: 0000000000000001
R26: fffffc0000316c54 <handle_irq+0x174>
R2: 0000000000000002
R27: fffffc0000442a00
R3: 0000000000000002
R28: 0000000000000001
R4: 000000000000002b
HAE: 0000000000000000
R5: 0000000000000000 TRAP_A0: 0000000000000000
R6: 0000000000000001 TRAP_A1: 0000000000000001
R7: fffffc00005e8a00 TRAP_A2: 0000000000000001
R8: fffffc00004d0000
PS: 0000000000000004
R19: fffffc000050dad8
PC: fffffc0000442a70 <tulip_interrupt+0x70>
R20: fffffc000050dc00
GP: fffffc000053b1a0
R21: 7fffffffffffffff
R16: 000000000000002b
R22: 0000000000000004
R17: fffffc0001495000
R23: fffffffffffffc18
R18: fffffc00004d3ee8
#5 [fffffc00004d3e28] tulip_interrupt at fffffc0000442a70
#6 [fffffc00004d3e88] handle_irq at fffffc0000316c54
#7 [fffffc00004d3ec8] dp264_srm_device_interrupt at fffffc000031b1d8
#8 [fffffc00004d3ed8] do_entInt at fffffc0000316f58
EFRAME: fffffc00004d3ee8 R24:
fffffc000050dc00
R0: 0000000000000000
R25: 000000000000006e
R1: 0000000000000000
R26: fffffc0000312120 <cpu_idle+0x40>
R2: 0000000000000001
R27: fffffc000031c780
R3: 0000000000000000
R28: 0000000000000001
R4: fffffc00005e8a20
HAE: 0000000000000000
R5: fffffc001dcee9a0 TRAP_A0: 0000000000000003
R6: 0000000000000000 TRAP_A1: 0000000000000bb0
R7: fffffc000050dc00 TRAP_A2: 0000000000000001
R8: fffffc00004d0000
PS: 0000000000000000
R19: fffffc000050dad8
PC: fffffc0000312100 <cpu_idle+0x20>
R20: fffffc000050dc00
GP: fffffc000053b1a0
R21: 7fffffffffffffff
R16: 0000000000000019
R22: 0000000000000004
R17: 0000000000000032
R23: fffffffffffffc18
R18: 00000000000001d9
#9 [fffffc00004d3fd0] cpu_idle at fffffc0000312100
#10 [fffffc00004d3fe0] start_kernel at fffffc000049497c
PID: 0 TASK: fffffc000149c000 CPU: 1 COMMAND:
"swapper"
#0 [fffffc000149fc70] crash_save_current_state at fffffc0000333a9c
#1 [fffffc000149fc80] handle_ipi at fffffc000031b9a0
#2 [fffffc000149fcb0] do_entInt at fffffc0000316f04
EFRAME: fffffc000149fcc0 R24:
0000000000000000
R0: 0000000000000000
R25: 0000000000000001
R1: 0000000000000000
R26: fffffc0000312120 <cpu_idle+0x40>
R2: 0000000000000001
R27: fffffc000031c780
R3: 0000000000000001
R28: fffffc0000367f3c
R4: fffffc00005e8a20
HAE: 0000000000000000
R5: fffffc00004cc020 TRAP_A0: 0000000000000000
R6: 0000000000000000 TRAP_A1: 0000000000000001
R7: fffffc000050dc00 TRAP_A2: 0000000000000000
R8: fffffc000149c000
PS: 0000000000000000
R19: fffffc000050dad8
PC: fffffc0000312100 <cpu_idle+0x20>
R20: fffffc000050dc00
GP: fffffc000053b1a0
R21: 0000000000000001
R16: 0000000000000019
R22: 7fffffffffffffff
R17: 0000000000000032
R23: fffffffffffffc18
R18: 00000000000001d9
#3 [fffffc000149fda8] cpu_idle at fffffc0000312100
#4 [fffffc000149fdb8] smp_callin at fffffc0000497820
crash>
