[#6455] Kernel enabled CONFIG_KGDB will crash on bf548-ezkit in trunk(2011)

[#6455] Kernel enabled CONFIG_KGDB will crash on bf548-ezkit in trunk

Submitted By: Vivi Li

Open Date

2011-01-19 04:24:22 Close Date

2011-04-12 02:56:56

Priority:

Medium Assignee:

Sonic Zhang

Status:

Closed Fixed In Release:

N/A

Found In Release:

2011R1 Release:

Category:

N/A Board:

N/A

Processor:

BF548 Silicon Revision:

Is this bug repeatable?:

Yes Resolution:

Out of Date

Uboot version or rev.:

Toolchain version or rev.:

gcc4.3-2010_Dec_06

App binary format:

N/A

Summary: Kernel enabled CONFIG_KGDB will crash on bf548-ezkit in trunk

Details:

Kernel enabled CONFIG_KGDB will crash on bf548-ezkit in trunk.

Last passed version:

kernel: Linux release 2.6.34.7-ADI-2010R1-pre-svn9171, build #129 Wed Sep 29 16:45:28 CST 2010

toolchain: bfin-uclinux-gcc release gcc version 4.3.5 (ADI-trunk/svn-4747)

user-dist: release svn-9833, build #2938 Wed Sep 29 16:44:49 CST 2010

Bellow is the error log:

Starting Kernel at = 0029bfb8

console [ttyBF1] enabled, bootconsole disabled

Calibrating delay loop... 1046.52 BogoMIPS (lpj=2093056)

pid_max: default: 32768 minimum: 301

Mount-cache hash table entries: 512

Blackfin Scratchpad data SRAM: 4 KB

Blackfin L1 Data A SRAM: 16 KB (15 KB free)

Blackfin L1 Data B SRAM: 16 KB (16 KB free)

Blackfin L1 Instruction SRAM: 48 KB (41 KB free)

Blackfin L2 SRAM: 128 KB (127 KB free)

NET: Registered protocol family 16

Blackfin DMA Controller

ezkit_init(): registering device resources

bio: create slab <bio-0> at 0

Data access CPLB miss

<5> - Used by the MMU to signal a CPLB miss on a data access.

Kernel OOPS in progress

Deferred Exception context

CURRENT PROCESS:

COMM=swapper PID=1 CPU=0

invalid mm

return address: [0x00049838]; contents of:

0x00049810: 0982 1c03 205b 300b 3019 67fb 0c3b 1817

0x00049820: 0000 0000 640a ad42 a120 9169 b102 304a

0x00049830: 40c8 a0c1 5041 5e90 [a1d0] b140 5e8d b111

0x00049840: 6c09 9369 a102 a1e0 0982 1fe6 ac41 9142

ADSP-BF548-0.2 525(MHz CCLK) 131(MHz SCLK) (mpu off)

Linux version 2.6.37-ADI-2011R1-pre-svn9570 (test@uclinux61-bf548-std) (gcc version 4.3.5 (ADI-trunk/svn-5013) ) #44 Tue Jan 18 1

SEQUENCER STATUS: Not tainted

SEQSTAT: 00002026 IPEND: 8008 IMASK: 003f SYSCFG: 0006

Peripheral interrupts masked off

Kernel interrupts masked off

EXCAUSE : 0x26

physical IVG3 asserted : <0xffa00870> { _trap + 0x0 }

physical IVG15 asserted : <0xffa010c8> { _evt_system_call + 0x0 }

logical irq 6 mapped : <0xffa003f0> { _bfin_coretmr_interrupt + 0x0 }

RETE: <0x00000000> /* Maybe null pointer? */

RETN: <0x0201bebc> /* kernel dynamic memory (maybe user-space) */

RETX: <0x00000480> /* Maybe fixed code section */

RETS: <0x00049a6a> { _kmem_cache_alloc + 0x72 }

PC : <0x00049838> { _cache_alloc_refill + 0x8c }

DCPLB_FAULT_ADDR: <0x57558260> /* reserved memory */

ICPLB_FAULT_ADDR: <0x00049838> { _cache_alloc_refill + 0x8c }

PROCESSOR STATE:

R0 : 55555540 R1 : 55555541 R2 : 00000006 R3 : 00000038

R4 : 00000010 R5 : 000000d0 R6 : 02002cb0 R7 : 02002ca8

P0 : 02002cf0 P1 : 00000003 P2 : 57558244 P3 : 02002ca0

P4 : 02000120 P5 : 02007800 FP : 0201bed0 SP : 0201bde0

LB0: ffa018f0 LT0: ffa018ea LC0: 00000000

LB1: 00049738 LT1: 00049732 LC1: 00000000

B0 : 00000000 L0 : 00000000 M0 : 0000002c I0 : 0028ed30

B1 : 00000000 L1 : 00000000 M1 : 00000000 I1 : 00000000

B2 : 00000000 L2 : 00000000 M2 : 00000000 I2 : 00000000

B3 : 00000000 L3 : 00000000 M3 : 00000000 I3 : 00000000

A0.w: 00211545 A0.x: 00000000 A1.w: 00000fbd A1.x: 00000000

USP : 00000000 ASTAT: 02002040

Hardware Trace:

0 Target : <0x00003f68> { _trap_c + 0x0 }

Source : <0xffa00804> { _exception_to_level5 + 0xb0 } CALL pcrel

1 Target : <0xffa00754> { _exception_to_level5 + 0x0 }

Source : <0xffa005fc> { _bfin_return_from_exception + 0x18 } RTX

2 Target : <0xffa005e4> { _bfin_return_from_exception + 0x0 }

Source : <0xffa006a0> { _ex_trap_c + 0x74 } JUMP.S

3 Target : <0xffa004ec> { _ex_dcplb_miss + 0x0 }

Source : <0xffa008ca> { _trap + 0x5a } JUMP (P4)

4 Target : <0xffa00870> { _trap + 0x0 }

FAULT : <0x00049838> { _cache_alloc_refill + 0x8c } P0 = W[P2 + 7]

Source : <0x00049836> { _cache_alloc_refill + 0x8a } 0x5e90

5 Target : <0x00049817> { _cache_alloc_refill + 0x6b }

Source : <0x0004984a> { _cache_alloc_refill + 0x9e } IF CC JUMP pcrel (BP)

6 Target : <0x00049818> { _cache_alloc_refill + 0x6c }

Source : <0x000498c8> { _cache_alloc_refill + 0x11c } IF CC JUMP pcrel (BP)

7 Target : <0x000498b0> { _cache_alloc_refill + 0x104 }

Source : <0x00049804> { _cache_alloc_refill + 0x58 } IF CC JUMP pcrel

8 Target : <0x000497f2> { _cache_alloc_refill + 0x46 }

Source : <0x000497da> { _cache_alloc_refill + 0x2e } IF CC JUMP pcrel

9 Target : <0x000497ac> { _cache_alloc_refill + 0x0 }

Source : <0x00049a66> { _kmem_cache_alloc + 0x6e } JUMP.L

10 Target : <0x00049a62> { _kmem_cache_alloc + 0x6a }

Source : <0x00049a20> { _kmem_cache_alloc + 0x28 } IF CC JUMP pcrel

11 Target : <0x00049a14> { _kmem_cache_alloc + 0x1c }

Source : <0x00049a72> { _kmem_cache_alloc + 0x7a } JUMP.S

12 Target : <0x00049a72> { _kmem_cache_alloc + 0x7a }

Source : <0x001bd390> { __cond_resched + 0x20 } RTS

13 Target : <0x001bd38a> { __cond_resched + 0x1a }

Source : <0x001bd382> { __cond_resched + 0x12 } IF CC JUMP pcrel (BP)

14 Target : <0x001bd370> { __cond_resched + 0x0 }

Source : <0x00049a6e> { _kmem_cache_alloc + 0x76 } JUMP.L

15 Target : <0x00049a6e> { _kmem_cache_alloc + 0x76 }

Source : <0x00049a0e> { _kmem_cache_alloc + 0x16 } IF !CC JUMP pcrel

Kernel Stack

Stack info:

SP: [0x0201bd64] <0x0201bd64> /* kernel dynamic memory (maybe user-space) */

FP: (0x0201bf84)

Memory from 0x0201bd60 to 0201c000

0201bd60: 0028ecb4 [00a4d000] 00000001 00000000 00a4d00c 00000001 0028f6fc 00000000

0201bd80: 000240d0 00000000 00000041 01000000 0000000c 00000000 0101be34 00000010

0201bda0: 0028f6fc 00000000 0000ffff ffffffff 00000000 00000000 00000000 ffa00808

0201bdc0: 0025b000 00008008 <00002026> 000000d0 00000010 000040d0 000040d0 00000480

0201bde0: 00000480 00008008 <00002026> 00000000 0201bebc 00000480 00049838 00049a6a

0201be00: 0201beb8 02002040 00049738 ffa018f0 00049732 ffa018ea 00000000 00000000

0201be20: 00000fbd 00000000 00211545 00000000 00000000 00000000 00000000 00000000

0201be40: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0000002c

0201be60: 00000000 00000000 00000000 0028ed30 00000000 0201bed0 02007800 02000120

0201be80: 02002ca0 57558244 00000003 02002cf0 02002ca8 02002cb0 000000d0 00000010

0201bea0: 00000038 00000006 55555541 55555540 55555540 02002cf0 00000006 00000002

0201bec0: 000000d0 0201bed8 00000000 00000800 0201bf00 00049a6a 02000120 0025800c

0201bee0: 002a37c4 00000001 000000d0 0000ffff 00222b68 0204c660 00000002 0201bf2c

0201bf00: 0201bf2c 000eada0 0204c620 00000001 002227b8 00000000 000eab5c 002824b8

0201bf20: 00000000 00222b60 00000001 0201bf64 002a398a 002b13d4 0025800c 00000000

0201bf40: 00000000 00000000 00000000 00000000 0204ec60 00000000 00000000 00000240

0201bf60: 00000000 0201bf84 002a37e2 002b38e4 00000000 00000000 0021fab4 001cf784

0201bf80: 0201bf9c (0201bf9c)<00001136> 00000000 0027853c 002b383c 0201bfac (0201bfc8)

0201bfa0: 00292154 002b38e4 002b3b50 00000000 00000000 00000000 00000000 002921c8

0201bfc0: 002b383c 002b383c (0201bfe4) 002921d4 002b383c 002b383c 00000000 00000000

0201bfe0: 00000000 (00000000)<0000154e> 00000000 00000000 00000000 ffffffff 00000006

Return addresses in stack:

address : <0x00002026> { _arch_ptrace + 0x1ea }

frame 1 : <0x00001136> { _do_one_initcall + 0x9a }

frame 4 : <0x0000154e> { _kernel_thread_helper + 0x6 }

Modules linked in:

Kernel panic - not syncing: Kernel exception

Hardware Trace:

Stack info:

SP: [0x0201bce0] <0x0201bce0> /* kernel dynamic memory (maybe user-space) */

FP: (0x0201bf84)

Memory from 0x0201bce0 to 0201c000

0201bce0:[02002ca0] 0201bd04 001bccf0 0201bde0 00206e48 0002fd1a 0025e70f 00000010

0201bd00: 0201bd2c 0201bdb8 0000454a 0201bde0 ffe02014 02002ca0 002068c0 00000007

0201bd20: 00000026 00000013 0201bde0 0000003f 0000003f 00a0bd20 0028ecb4 00a4d000

0201bd40: 00030001 0000002c 00000000 0028ecd8 02018ec0 0201bdc0 0003de74 00a0bd40

0201bd60: 0028ecb4 00a4d000 00000001 00000000 00a4d00c 00000001 0028f6fc 00000000