[#5556] kernel crashes with tickless config

Submitted By: Robin Getz

Open Date

2009-09-25 16:15:05 Close Date

2009-09-30 11:18:57

Priority:

Medium Assignee:

Graf Yang

Status:

Closed Fixed In Release:

N/A

Found In Release:

2010R1 Release:

trunk

Category:

N/A Board:

STAMP

Processor:

ALL Silicon Revision:

bf537 0.3

Is this bug repeatable?:

Yes Resolution:

Rejected

Uboot version or rev.:

Toolchain version or rev.:

trunk

App binary format:

N/A

Summary: kernel crashes with tickless config

Details:

If you select:

- CONFIG_NO_HZ

- CONFIG_BFIN_ISRAM_SELF_TEST

The kernel will crash on startup.

TCP cubic registered

NET: Registered protocol family 17

isram: INFO: running initial dma_memcpy checks

isram: INFO: running isram_read tests

isram: FAIL: isram_read(ffa02f9c) returned 0x30201002fea0040 but wanted 0x706050403020100

isram: FAIL: isram_read(ffa02fa4) returned 0xb0a090807060504 but wanted 0xf0e0d0c0b0a0908

isram: FAIL: isram_read(ffa02fac) returned 0x131211100f0e0d0c but wanted 0x1716151413121110

isram: FAIL: isram_read(ffa02fb4) returned 0x1b1a191817161514 but wanted 0x1f1e1d1c1b1a1918

isram: FAIL: isram_read(ffa02fbc) returned 0x232221201f1e1d1c but wanted 0x2726252423222120

....

and eventually:

Freeing unused kernel memory: 8692k freed

dma_alloc_init: dma_page @ 0x0209d000 - 256 pages at 0x03f00000

Undefined instruction

<5> - May be used to emulate instructions that are not defined for

<5> a particular processor implementation.

Kernel OOPS in progress

Deferred Exception context

CURRENT PROCESS:

COMM=init PID=130

CPU = 0

TEXT = 0x02ae0040-0x02ae5ae0 DATA = 0x02ae5ae4-0x02ae687c

BSS = 0x02ae687c-0x02af80f4 USER-STACK = 0x02af9fb0

return address: [0xffa02f98]; contents of:

0xffa02f70: 0127 05ac 0010 e14c 0017 e10c 21a8 9120

0xffa02f80: 0040 2fc8 3051 6422 2fb2 6409 e14a 0017

0xffa02f90: 9309 e10a 21a8 9110 [0100] 0302 0100 0302

0xffa02fa0: 0504 0706 0908 0b0a 0d0c 0f0e 1110 1312

ADSP-BF537-0.2 500(MHz CCLK) 125(MHz SCLK) (mpu off)

Linux version 2.6.31-ADI-2010R1-pre-svn7453 (rgetz@imhotep) (gcc version 4.3.4 (ADI-trunk/svn-3634) ) #436 Fri Sep 25 11:55:07 EDT 2009

SEQUENCER STATUS: Not tainted

SEQSTAT: 00002021 IPEND: 8008 IMASK: 001f SYSCFG: 0006

Peripheral interrupts masked off

Kernel interrupts masked off

EXCAUSE : 0x21

physical IVG3 asserted : <0xffa00830> { _trap + 0x0 }

physical IVG15 asserted : <0xffa01100> { _evt_system_call + 0x0 }

logical irq 6 mapped : <0xffa004ac> { _timer_interrupt + 0x0 }

logical irq 10 mapped : <0x000b7eb4> { _bfin_rtc_interrupt + 0x0 }

logical irq 18 mapped : <0x000a4af4> { _bfin_serial_dma_rx_int + 0x0 }

logical irq 19 mapped : <0x000a483c> { _bfin_serial_dma_tx_int + 0x0 }

logical irq 24 mapped : <0x000ae7c8> { _bfin_mac_interrupt + 0x0 }

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

RETN: <0x02afbcf0> /* kernel dynamic memory */

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

RETS: <0x000472e8> { _exec_mmap + 0x2c }

PC : <0xffa02f98> { ___down_read + 0xc8 }

DCPLB_FAULT_ADDR: <0x001721a8> /* kernel dynamic memory */

ICPLB_FAULT_ADDR: <0xffa02f98> { ___down_read + 0xc8 }

PROCESSOR STATE:

R0 : 0000ffff R1 : 00000001 R2 : 02a84e18 R3 : 00000004

R4 : 00013cf0 R5 : 0004de20 R6 : 02a84c60 R7 : 02a84e14

P0 : 02a8a594 P1 : 02a84e14 P2 : 001721a8 P3 : 02a98200

P4 : 02a84de0 P5 : 02095700 FP : 02afbd34 SP : 02afbc14

LB0: 00092176 LT0: 0009216e LC0: 00000004

LB1: 0006b626 LT1: 0006b626 LC1: 00000000

B0 : 00000000 L0 : 00000000 M0 : 00000000 I0 : 02a98234

B1 : 00000000 L1 : 00000000 M1 : 00000000 I1 : 02a98200

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

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

A0.w: 00000000 A0.x: 00000000 A1.w: 00000000 A1.x: 00000000

USP : 02af9dfc ASTAT: 02002020

Hardware Trace:

0 Target : <0x00005160> { _trap_c + 0x0 }

Source : <0xffa007c4> { _exception_to_level5 + 0xa4 } CALL pcrel

1 Target : <0xffa00720> { _exception_to_level5 + 0x0 }

Source : <0xffa005d4> { _bfin_return_from_exception + 0x20 } RTX

2 Target : <0xffa005b4> { _bfin_return_from_exception + 0x0 }

Source : <0xffa00678> { _ex_trap_c + 0x74 } JUMP.S

3 Target : <0xffa00604> { _ex_trap_c + 0x0 }

Source : <0xffa00898> { _trap + 0x68 } JUMP (P4)

4 Target : <0xffa00850> { _trap + 0x20 }

Source : <0xffa0084c> { _trap + 0x1c } IF !CC JUMP

5 Target : <0xffa00830> { _trap + 0x0 }

Source : <0xffa02f96> { ___down_read + 0xc6 } 0x9110

6 Target : <0xffa02f8a> { ___down_read + 0xba }

Source : <0xffa02eea> { ___down_read + 0x1a } IF !CC JUMP

7 Target : <0xffa02ed0> { ___down_read + 0x0 }

Source : <0xffa02bc0> { _down_read + 0x14 } JUMP.L

8 Target : <0xffa02bb8> { _down_read + 0xc }

Source : <0xffa01fd8> { __cond_resched + 0x20 } RTS

9 Target : <0xffa01fd2> { __cond_resched + 0x1a }

Source : <0xffa01fca> { __cond_resched + 0x12 } IF CC JUMP

10 Target : <0xffa01fb8> { __cond_resched + 0x0 }

Source : <0xffa02bb4> { _down_read + 0x8 } CALL pcrel

11 Target : <0xffa02bac> { _down_read + 0x0 }

Source : <0x000472e4> { _exec_mmap + 0x28 } CALL pcrel

12 Target : <0x000472da> { _exec_mmap + 0x1e }

Source : <0x0000f0d0> { _mm_release + 0x64 } RTS

13 Target : <0x0000f0ca> { _mm_release + 0x5e }

Source : <0x0000f090> { _mm_release + 0x24 } IF !CC JUMP

14 Target : <0x0000f08a> { _mm_release + 0x1e }

Source : <0x0000b4a6> { _complete + 0x3e } RTS

15 Target : <0x0000b48c> { _complete + 0x24 }

Source : <0x0000b3a4> { ___wake_up_common + 0x58 } RTS

Kernel Stack

Stack info:

SP: [0x02afbf24] <0x02afbf24> /* kernel dynamic memory */

Memory from 0x02afbf20 to 02afc000

02afbf20: 02af80c0 [02ae25ca] 00008000 00002000 00000000 02afc000 02ae25ca 02ae25ca

02afbf40:<02ae0cb6><ffa01164> 02003024 00000001 02ae3781 00000000 02ae377e 00000000

02afbf60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

02afbf80: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

02afbfa0: 00000000 00000000 00000000 00000001 02af9e15 02af9dfc 02af9e08 02ae68a0

02afbfc0: 02ae6878 00000001 00000013 00000002 0000000b 00000000 02af9fb4 02af80c0

02afbfe0: 02ae5aa8 02ae6370 02af9e20 02af9e2c 02ae6594 02ae6594 0000000b 00000006

Return addresses in stack:

address : <0x02ae0cb6> [ init + 0xc76 ]

address : <0xffa01164> { _evt_system_call + 0x64 }

Modules linked in:

Kernel panic - not syncing: Kernel exception

Hardware Trace:

Stack info:

SP: [0x02afbb30] <0x02afbb30> /* kernel dynamic memory */

FP: (0x02afbe08)

Memory from 0x02afbb30 to 02afc000

02afbb30:[00135b48]<0010a806> 02afbc14 00135b48 001653d2 001653d2 001653d2 02afbb68

02afbb50:<00005554> 02afbc14 ffe02014 02a98200 00008008 02afbc14 0000003f 0000003f

02afbb70: 02afbb98 0000c07a 00030001 020756c0 02018bc0 02018bec 02a97de0 020756c0

02afbb90: 0207584c 02018bc0 0000003f ffa01e4c 02a97de0 00000000 00000000 02afbbdc

02afbbb0: 0000a4d6 00170940 020756c0 00171188 00000000 0000003f 00000006 0000003f

02afbbd0: 00000000 00000000 0000003f 0000a4d6 00170940 00000000 00000000 02afbc1c

02afbbf0:<ffa007c8> 00162000 00008008 00002021 0004de20 00013cf0 00000006 0000003f

02afbc10: 00000480 00000480 00008008 00002021 00000000 02afbcf0 00000480 ffa02f98

02afbc30:<000472e8> 0000ffff 02002020 0006b626 00092176 0006b626 0009216e 00000000

02afbc50: 00000004 00000000 00000000 00000000 00000000 00000000 00000000 00000000

02afbc70: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

02afbc90: 00000000 00000000 00000000 02a98200 02a98234 02af9dfc 02afbd34 02095700

02afbcb0: 02a84de0 02a98200 001721a8 02a84e14 02a8a594 02a84e14 02a84c60 0004de20

02afbcd0: 00013cf0 00000004 02a84e18 00000001 0000ffff 0000ffff 02a8a594 00000006

02afbcf0: 02afbd34 <0000f08a> 02afa000 02095700 02095700 0000ffff 02afbd34 <000472e8>

02afbd10: 02095700 02a84de0 02a84e14 02a84c60 0004de20 00000001 <00035854> 0017e5e8

02afbd30: 00002a00 00002a00 <00047420> 02a98200 00000000 02a98200 02afa000 000019e0

02afbd50: 00000001 <00036b92> 00a560a0 0017e5c4 00000000 000280d2 0017e5e8 <0006c35c>

02afbd70: 02a98200 02a98200 0004de20 02afa000 000019e0 0004de20 00013cf0 02a98200

02afbd90: 01010001 00000000 00000000 ffffffff 0017efe8 00000000 0017e5c4 00000000

02afbdb0: 00000000 00000000 00000000 00000000 000019e0 00003ed2 00000001 00000000

02afbdd0: 00000000 00000000 00000000 00000000 00000000 00000000 00000004 00000000

02afbdf0: 00000000 00000000 00000000 00000000 00000000 00000000 (02afbe64)<0006c91a>

02afbe10: 02a98200 02a98200 00177b48 fffffff8 fffffffe 0000003f 02afbf24 01000000

02afbe30: 02afbe40 00000000 02afbe60 02afbe5c 00000000 00000000 00000000 00000000

02afbe50: 00000000 00000000 00000000 00000000 00003ed2 (00000000)<00046d28> 00177f6c

02afbe70: 02a98200 00177b48 fffffff8 fffffffe 0000003f ffffffc0 <00046c8c> 02afbf24

02afbe90: 00a560a0 02a98202 00000000 02af9e08 <00047956> 02af9e20 02af9e2c 00000001

02afbeb0: 00000000 02a98200 02afa000 00000001 02af9e2c 02afbf24 02a98200 00000000

02afbed0:<00001a36> 00001a00 0000000b 0207b000 02af9e2c 02af9e20 02ae5aa8 02af80c0

02afbef0: 02ae5aa8 02095700 02afbf24 <ffa009d0> 00000000 ffffe000 02af80c0 02ae6594

02afbf10: 02095700 016e3600 02ae6370 02ae5aa8 02af80c0 02ae25ca 00008000 00002000

02afbf30: 00000000 02afc000 02ae25ca 02ae25ca <02ae0cb6><ffa01164> 02003024 00000001

02afbf50: 02ae3781 00000000 02ae377e 00000000 00000000 00000000 00000000 00000000

02afbf70: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

02afbf90: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000001

02afbfb0: 02af9e15 02af9dfc 02af9e08 02ae68a0 02ae6878 00000001 00000013 00000002

02afbfd0: 0000000b 00000000 02af9fb4 02af80c0 02ae5aa8 02ae6370 02af9e20 02af9e2c

02afbff0: 02ae6594 02ae6594 0000000b 00000006

Return addresses in stack:

address : <0x0010a806> { _panic + 0x4a }

address : <0x00005554> { _trap_c + 0x3f4 }

address : <0xffa007c8> { _exception_to_level5 + 0xa8 }

address : <0x000472e8> { _exec_mmap + 0x2c }

address : <0x0000f08a> { _mm_release + 0x1e }

address : <0x000472e8> { _exec_mmap + 0x2c }

address : <0x00035854> { _rmqueue_bulk + 0x30 }

address : <0x00047420> { _flush_old_exec + 0x3c }

address : <0x00036b92> { _get_page_from_freelist + 0x152 }

address : <0x0006c35c> { _load_flat_file + 0x548 }

frame 1 : <0x0006c91a> { _load_flat_binary + 0x52 }

frame 2 : <0x00046d28> { _search_binary_handler + 0x90 }

address : <0x00046c8c> { _copy_strings_kernel + 0x18 }

address : <0x00047956> { _do_execve + 0x1b6 }

address : <0x00001a36> { _sys_execve + 0x36 }

address : <0xffa009d0> { _system_call + 0x68 }

address : <0x02ae0cb6> [ init + 0xc76 ]

address : <0xffa01164> { _evt_system_call + 0x64 }

Follow-ups

--- Robin Getz 2009-09-30 11:18:57

I reverted some local changes I had - and this issue went away.

My fault. Sorry for the noise.

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