FAQ: [#6033] traps test case 93 will make kernel panic on bf526 when stack set to L1 instruction(2010)

[#6033] traps test case 93 will make kernel panic on bf526 when stack set to L1 instruction

Submitted By: Vivi Li

Open Date

2010-05-18 06:12:17 Close Date

2011-06-08 03:45:42

Priority:

Medium Assignee:

Sonic Zhang

Status:

Closed Fixed In Release:

N/A

Found In Release:

2010R1-RC5 Release:

Category:

N/A Board:

N/A

Processor:

BF526 Silicon Revision:

Is this bug repeatable?:

Yes Resolution:

Not reproducible

Uboot version or rev.:

Toolchain version or rev.:

gcc4.3-2010_Apr_07

App binary format:

N/A

Summary: traps test case 93 will make kernel panic on bf526 when stack set to L1 instruction

Details:

traps test case 85 on bf526 will make kernel panic at Stack set to L1 instruction.

Last passed version:

kernel: Linux release 2.6.33.3-ADI-2010R1-pre-svn8681, build #16 Tue May 4 00:46:31 CST 2010

toolchain: bfin-uclinux-gcc release gcc version 4.3.4 (ADI-trunk/svn-3951)

user-dist: release svn-9599, build #282 Tue May 4 00:45:49 CST 2010

First failed version:

kernel: Linux release 2.6.33.3-ADI-2010R1-pre-svn8682, build #20 Wed May 5 04:41:41 CST 2010

toolchain: bfin-uclinux-gcc release gcc version 4.3.4 (ADI-trunk/svn-3951)

user-dist: release svn-9599, build #361 Wed May 5 04:41:00 CST 2010

Linux version 2.6.33.4-ADI-2010R1-pre-svn8711 (test@uclinux81-bf526) (gcc version 4.3.4 (ADI-trunk/svn-3951) ) #60 Mon May 17 19:00:57 CST 2010

bootconsole [early_shadow0] enabled

bootconsole [early_BFuart1] enabled

early printk enabled on early_BFuart1

Board Memory: 64MB

Kernel Managed Memory: 64MB

Memory map:

fixedcode = 0x00000400-0x00000490

text = 0x00001000-0x0013f780

rodata = 0x0013f780-0x001adae4

bss = 0x001ae000-0x001bedc0

data = 0x001bedc0-0x001d6000

stack = 0x001d4000-0x001d6000

init = 0x001d6000-0x00712000

available = 0x00712000-0x03f00000

DMA Zone = 0x03f00000-0x04000000

Hardware Trace Active and Enabled

Boot Mode: 1

Compiled for ADSP-BF526 Rev 0.0

Blackfin Linux support by http://blackfin.uclinux.org/

Processor Speed: 400 MHz core clock and 80 MHz System Clock

NOMPU: setting up cplb tables

Instruction Cache Enabled for CPU0

External memory: cacheable in instruction cache

Data Cache Enabled for CPU0

External memory: cacheable (write-back) in data cache

Built 1 zonelists in Zone order, mobility grouping off. Total pages: 16002

Kernel command line: root=/dev/mtdblock0 rw ip=10.100.4.50 earlyprintk=serial,uart1,57600 console=ttyBF1,57600 ip=10.100.4.50:10.100.4.174:10.100.4.174:255.255.255.0:bf526-ezbrd:eth0:off

PID hash table entries: 256 (order: -2, 1024 bytes)

Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)

Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)

Memory available: 56704k/65536k RAM, (5360k init code, 1273k kernel code, 603k data, 1024k dma, 572k reserved)

Hierarchical RCU implementation.

NR_IRQS:159

Configuring Blackfin Priority Driven Interrupts

console [ttyBF1] enabled, bootconsole disabled

Calibrating delay loop... 796.67 BogoMIPS (lpj=1593344)

Security Framework initialized

Mount-cache hash table entries: 512

Blackfin Scratchpad data SRAM: 4 KB

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

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

Blackfin L1 Instruction SRAM: 48 KB (42 KB free)

NET: Registered protocol family 16

Blackfin DMA Controller

ezbrd_init(): registering device resources

bio: create slab <bio-0> at 0

SCSI subsystem initialized

usbcore: registered new interface driver usbfs

usbcore: registered new interface driver hub

usbcore: registered new device driver usb

musb_hdrc: version 6.0, musb-dma, host, debug=0

musb_hdrc: USB Host mode controller at ffc03800 using DMA, IRQ 59

musb_hdrc musb_hdrc.0: MUSB HDRC host driver

musb_hdrc musb_hdrc.0: new USB bus registered, assigned bus number 1

hub 1-0:1.0: USB hub found

hub 1-0:1.0: 1 port detected

NET: Registered protocol family 2

IP route cache hash table entries: 1024 (order: 0, 4096 bytes)

TCP established hash table entries: 2048 (order: 2, 16384 bytes)

TCP bind hash table entries: 2048 (order: 1, 8192 bytes)

TCP: Hash tables configured (established 2048 bind 2048)

TCP reno registered

UDP hash table entries: 256 (order: 0, 4096 bytes)

UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)

NET: Registered protocol family 1

msgmni has been set to 110

io scheduler noop registered (default)

bfin-otp: initialized

bfin-uart: Blackfin serial driver

bfin-uart.1: ttyBF1 at MMIO 0xffc02000 (irq = 31) is a BFIN-UART

brd: module loaded

physmap platform flash device: 00400000 at 20000000

physmap-flash.0: Found 1 x16 devices at 0x0 in 16-bit bank

Intel/Sharp Extended Query Table at 0x0039

cfi_cmdset_0001: Erase suspend on write enabled

cmdlinepart partition parsing not available

RedBoot partition parsing not available

Using physmap partition information

Creating 3 MTD partitions on "physmap-flash.0":

0x000000000000-0x000000040000 : "bootloader(nor)"

0x000000040000-0x000000200000 : "linux kernel(nor)"

0x000000200000-0x000000400000 : "file system(nor)"

m25p80 spi0.1: sst25wf040 (512 Kbytes)

Creating 2 MTD partitions on "m25p80":

0x000000000000-0x000000040000 : "bootloader(spi)"

0x000000040000-0x000000080000 : "linux kernel(spi)"

bfin-spi bfin-spi.0: Blackfin on-chip SPI Controller Driver, Version 1.0, regs_base@ffc00500, dma channel@7

bfin_mii_bus: probed

bfin_mac: attached PHY driver [Generic PHY] (mii_bus:phy_addr=0:01, irq=-1, mdc_clk=2500000Hz(mdc_div=15)@sclk=80MHz)

bfin_mac bfin_mac.0: Blackfin on-chip Ethernet MAC driver, Version 1.1

Initializing USB Mass Storage driver...

usbcore: registered new interface driver usb-storage

USB Mass Storage support registered.

rtc-bfin rtc-bfin: rtc core: registered rtc-bfin as rtc0

i2c-bfin-twi i2c-bfin-twi.0: Blackfin BF5xx on-chip I2C TWI Contoller, regs_base@ffc01400

bfin-wdt: initialized: timeout=20 sec (nowayout=0)

usbcore: registered new interface driver usbhid

usbhid: USB HID core driver

TCP cubic registered

NET: Registered protocol family 17

rtc-bfin rtc-bfin: setting system clock to 2004-05-31 14:42:52 UTC (1086014572)

dma_alloc_init: dma_page @ 0x0270f000 - 256 pages at 0x03f00000

IP-Config: Complete:

device=eth0, addr=10.100.4.50, mask=255.255.255.0, gw=10.100.4.174,

host=bf526-ezbrd, domain=, nis-domain=(none),

bootserver=10.100.4.174, rootserver=10.100.4.174, rootpath=

Freeing unused kernel memory: 5360k freed

_____________________________________

a8888b. / Welcome to the uClinux distribution \

d888888b. / _ _ \

8P"YP"Y88 / | | |_| __ __ (TM) |

8|o||o|88 _____/ | | _ ____ _ _ \ \/ / |

8' .88 \ | | | | _ \| | | | \ / |

8`._.' Y8. \ | |__ | | | | | |_| | / \ |

d/ `8b. \ \____||_|_| |_|\____|/_/\_\ |

dP . Y8b. \ For embedded processors including |

d8:' " `::88b \ the Analog Devices Blackfin /

d8" 'Y88b \___________________________________/

:8P ' :888

8a. : _a88P For further information, check out:

._/"Yaa_: .| 88P| - http://blackfin.uclinux.org/

\ YP" `| 8P `. - http://docs.blackfin.uclinux.org/

/ \.___.d| .' - http://www.uclinux.org/

`--..__)8888P`._.' jgs/a:f - http://www.analog.com/blackfin

Have a lot of fun...

BusyBox v1.16.1 (2010-05-17 15:52:23 CST) hush - the humble shell

root:/>

root:/> traps_test 85

Running test 85 for exception 0x3f: Stack set to L1 instruction

... PASS (test completed 1/1 times, as expected by signal 7: Bus error)

1/1 tests passed

root:/> traps_test 85

Running test 85 for exception 0x3f: Stack set to L1 instruction

... External Memory Addressing Error

Kernel OOPS in progress

HW Error context

CURRENT PROCESS:

COMM=traps_test PID=242 CPU=0

TEXT = 0x02990040-0x029988e0 DATA = 0x02998900-0x0299bf64

BSS = 0x0299bf64-0x0299c3f0 USER-STACK = 0x0299df40

return address: [0xffa00aae]; contents of:

0xffa00a80: 0160 0161 0162 0163 0170 0173 0171 0174

0xffa00a90: 0172 0175 0166 0140 0167 31c3 0140 017c

0xffa00aa0: 017d 017e 0179 0140 017b 6000 3620 [3628]

0xffa00ab0: 3630 3638 e108 203c e148 ffe0 e109 0efc

Looks like this was a deferred error - sorry

It might be better to look around here :

-------------------------------------------

ADSP-BF526-0.0 400(MHz CCLK) 80(MHz SCLK) (mpu off)

Linux version 2.6.33.4-ADI-2010R1-pre-svn8711 (test@uclinux81-bf526) (gcc version 4.3.4 (ADI-trunk/svn-3951) ) #60 Mon May 17 190

SEQUENCER STATUS: Not tainted

SEQSTAT: 0000c000 IPEND: 2990f4c IMASK: 0000 SYSCFG: 0006

Peripheral interrupts masked off

Kernel interrupts masked off

EXCAUSE : 0x0

physical IVG2 asserted : <0xffa00d18> { _evt_nmi + 0x0 }

physical IVG3 asserted : <0xffa006c0> { _trap + 0x0 }

physical IVG6 asserted : <0xffa00d1c> { _evt_timer + 0x0 }

physical IVG8 asserted : <0xffa00d94> { _evt_evt8 + 0x0 }

physical IVG9 asserted : <0xffa00dd0> { _evt_evt9 + 0x0 }

physical IVG10 asserted : <0xffa00e0c> { _evt_evt10 + 0x0 }

physical IVG11 asserted : <0xffa00e48> { _evt_evt11 + 0x0 }

logical irq 6 mapped : <0xffa00358> { _bfin_coretmr_interrupt + 0x0 }

logical irq 21 mapped : <0x000dfc98> { _bfin_rtc_interrupt + 0x0 }

logical irq 27 mapped : <0x000e1da8> { _bfin_twi_interrupt_entry + 0x0 }

logical irq 31 mapped : <0x000a2ef8> { _bfin_serial_dma_rx_int + 0x0 }

logical irq 32 mapped : <0x000a2c6c> { _bfin_serial_dma_tx_int + 0x0 }

logical irq 35 mapped : <0x000c3860> { _bfin_mac_interrupt + 0x0 }

logical irq 59 mapped : <0x000d80b8> { _blackfin_interrupt + 0x0 }

logical irq 62 mapped : <0x000db4a4> { _dma_controller_irq + 0x0 }

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

RETN: <0x0207a000> /* kernel dynamic memory (maybe user-space) */

RETX: <0x029919d8> /* kernel dynamic memory (maybe user-space) */

RETS: <0x029917f0> /* kernel dynamic memory (maybe user-space) */

PC : <0x02990f4c> /* kernel dynamic memory (maybe user-space) */

PROCESSOR STATE:

R0 : 00000001 R1 : 00000055 R2 : 00000001 R3 : 00000100

R4 : 00000006 R5 : 00000001 R6 : 0299a6a0 R7 : 0299decc

P0 : 00000550 P1 : 02998a40 P2 : 02998a40 P3 : 00000001

P4 : 0299df44 P5 : 0299bd7c FP : ffa10000 SP : 02079f24

LB0: 02991879 LT0: 0299186c LC0: 00000000

LB1: 029827a5 LT1: 029827a4 LC1: 00000000

B0 : 00000000 L0 : 00000000 M0 : 00000004 I0 : 0299dc11

B1 : 00000000 L1 : 00000000 M1 : 00000000 I1 : 02998920

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 : ffa10000 ASTAT: 02003004

-------------------------------------------

ADSP-BF526-0.0 400(MHz CCLK) 80(MHz SCLK) (mpu off)

Linux version 2.6.33.4-ADI-2010R1-pre-svn8711 (test@uclinux81-bf526) (gcc version 4.3.4 (ADI-trunk/svn-3951) ) #60 Mon May 17 190

SEQUENCER STATUS: Not tainted

SEQSTAT: 0000c03f IPEND: 8030 IMASK: 0000 SYSCFG: 0006

Global Interrupts Disabled (IPEND[4])

Peripheral interrupts masked off

Kernel interrupts masked off

HWERRCAUSE: 0x3

EXCAUSE : 0x3f

interrupts disabled

physical IVG5 asserted : <0xffa00c0c> { _evt_ivhw + 0x0 }

physical IVG15 asserted : <0xffa00a54> { _schedule_and_signal + 0x0 }