[#7218] run traps prefetch l1_instruction test make kernel panic
Submitted By: Mingquan Pan
Open Date
2012-07-31 03:39:52 Close Date
2012-08-15 04:50:00
Priority:
Medium Assignee:
Bob Liu
Status:
Closed Fixed In Release:
N/A
Found In Release:
N/A Release:
Category:
N/A Board:
N/A
Processor:
BF537 Silicon Revision:
Is this bug repeatable?:
Yes Resolution:
Fixed
Uboot version or rev.:
Toolchain version or rev.:
ADI-trunk/svn-5764
App binary format:
N/A
Summary: run traps prefetch l1_instruction test make kernel panic
Details:
run traps prefetch l1_instruction test make kernel panic now.
Running test 20 for exception 0x00: prefetch l1_instruction^M
... Double Fault^M
Kernel OOPS in progress^M
Deferred Exception context^M
CURRENT PROCESS:^M
COMM=traps_test PID=192 CPU=0^M
TEXT = 0x02ae0040-0x02ae9000 DATA = 0x02ae9020-0x02aec814^M
BSS = 0x02aec814-0x02aeccb0 USER-STACK = 0x02aedf48^M
^M
return address: [0x0003853a]; contents of:^M
0x00038510: 600e 9851 4348 0c00 1ff2 0c06 1ffa 9a21 ^M
0x00038520: 2ff9 0000 04c3 e14c 0000 014f e10c 0000 ^M
0x00038530: 3018 3239 3402 0c44 1003 [0001] 2000 e14a ^M
0x00038540: 0000 e10a 0000 9153 6002 304b 5211 0e08 ^M
^M
ADSP-BF537-0.2 500(MHz CCLK) 125(MHz SCLK) (mpu off)^M
Linux version 3.5.0-ADI-2012R1-pre-00797-g367b7b2 (test@uclinux55-bf537-cf) (gcc version 4.3.5 (ADI-trunk/svn-5764) ) #24 Sat Jul 28 20:13:32 CST 2012^M
^M
SEQUENCER STATUS: Not tainted^M
SEQSTAT: 0000e021 IPEND: 0038 IMASK: 0000 SYSCFG: 0006^M
Global Interrupts Disabled (IPEND[4])^M
Peripheral interrupts masked off^M
Kernel interrupts masked off^M
EXCAUSE : 0x21^M
^M
^M
U-Boot 2011.09-dirty (ADI-2011R1) (Nov 20 2011 - 05:52:00)^M
^M
CPU: ADSP bf537-0.2 (Detected Rev: 0.2) (bypass boot)^M
Board: ADI BF537 stamp board^M
Support: http://blackfin.uclinux.org/^M
Clock: VCO: 500 MHz, Core: 500 MHz, System: 125 MHz^M
RAM: 64 MiB^M
Flash: 4 MiB^M
MMC: ^M
In: serial^M
Out: serial^M
Err: serial^M
KGDB: [on serial] ready^M
Follow-ups
--- Bob Liu 2012-08-09 03:22:27
root:/> traps_test 20
Running test 20 for exception 0x00: prefetch l1_instruction
... FAIL (test exited sucessfully, and we expected 4 Illegal instruction
failure
FAIL (test completed properly 0/1 times)
0/1 tests passed
root:/>
--- Bob Liu 2012-08-13 02:24:02
fixed
--- Mingquan Pan 2012-08-15 05:48:41
Yes, it doesn't panic kernel now.Close.
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