[#4022] Kernel will crash when execute "hcitool scan" sometimes

Submitted By: Vivi Li

Open Date

2008-04-11 02:28:06 Close Date

2008-05-14 03:17:56

Priority:

Medium Assignee:

Michael Hennerich

Status:

Closed Fixed In Release:

N/A

Found In Release:

N/A Release:

Category:

N/A Board:

N/A

Processor:

N/A Silicon Revision:

Is this bug repeatable?:

Yes Resolution:

Fixed

Uboot version or rev.:

Toolchain version or rev.:

08r1-rc8

App binary format:

N/A

Summary: Kernel will crash when execute "hcitool scan" sometimes

Details:

Kernel will crash when execute "hcitool scan" sometimes, especially execute this command for two times.

Bellow is the log:

Linux version 2.6.24.4-ADI-2008R2-pre-svn4569 (test@Linux165-ViviLi) (gcc version 4.1.2 (ADI svn)) 8

Warning: limiting memory to 56MB due to hardware anomaly 05000263

Board Memory: 64MB

Kernel Managed Memory: 64MB

Memory map:

fixedcode = 0x00000400-0x00000490

text = 0x00001000-0x001288a0

rodata = 0x001289e0-0x0017f790

bss = 0x0017f7a0-0x0018d684

data = 0x0018d684-0x001a2000

stack = 0x001a0000-0x001a2000

init = 0x001a2000-0x0052a000

available = 0x0052a000-0x037ff000

DMA Zone = 0x03f00000-0x04000000

Hardware Trace Active and Enabled

Reset caused by Software reset

Compiled for ADSP-BF537 Rev 0.2

Blackfin Linux support by blackfin.uclinux.org/

Processor Speed: 500 MHz core clock and 50 MHz System Clock

NOMPU: setting up cplb tables for global access

Instruction Cache Enabled

Data Cache Enabled (write-through)

Built 1 zonelists in Zone order, mobility grouping off. Total pages: 14224

Kernel command line: root=/dev/mtdblock0 rw console=ttyBF0,57600 ip=10.100.4.50:10.100.4.174:10.100f

Configuring Blackfin Priority Driven Interrupts

PID hash table entries: 256 (order: 8, 1024 bytes)

console [ttyBF0] enabled

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

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

Memory available: 51472k/65536k RAM, (3616k init code, 1182k kernel code, 486k data, 1024k dma, 775)

Blackfin Scratchpad data SRAM: 4 KB

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

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

Blackfin Instruction SRAM: 48 KB (41 KB free)

Security Framework initialized

Mount-cache hash table entries: 512

net_namespace: 64 bytes

NET: Registered protocol family 16

Blackfin GPIO Controller

Blackfin DMA Controller

stamp_init(): registering device resources

usbcore: registered new interface driver usbfs

usbcore: registered new interface driver hub

usbcore: registered new device driver usb

Bluetooth: Core ver 2.11

NET: Registered protocol family 31

Bluetooth: HCI device and connection manager initialized

Bluetooth: HCI socket layer initialized

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

io scheduler noop registered

io scheduler anticipatory registered (default)

io scheduler cfq registered

Serial: Blackfin serial driver

bfin-uart.1: ttyBF0 at MMIO 0xffc00400 (irq = 18) is a BFIN-UART

RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize

bfin_mac_mdio: probed

bfin_mac: attached PHY driver [SMSC LAN83C185] (mii_bus:phy_addr=0:01, irq=-1, mdc_clk=2500000Hz(md)

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

bfin-spi bfin-spi.0: Blackfin BF5xx on-chip SPI Controller Driver, Version 1.0, regs_base@ffc00500,7

driver isp1362-hcd, 2005-04-04

isp1362-hcd isp1362-hcd.0: ISP1362 Host Controller

isp1362-hcd isp1362-hcd.0: new USB bus registered, assigned bus number 1

isp1362_hc_reset:

isp1362-hcd isp1362-hcd.0: irq 53, io mem 0x20360000

isp1362_hc_start:

isp1362-hcd isp1362-hcd.0: ISP1362 Memory usage:

isp1362-hcd isp1362-hcd.0: ISTL: 2 * 256: 512 @ $0000:$0100

isp1362-hcd isp1362-hcd.0: INTL: 16 * ( 64+8): 1152 @ $0200

isp1362-hcd isp1362-hcd.0: ATL : 32 * ( 64+8): 2304 @ $0680

isp1362-hcd isp1362-hcd.0: USED/FREE: 3968 128

usb usb1: configuration #1 chosen from 1 choice

hub 1-0:1.0: USB hub found

hub 1-0:1.0: 2 ports detected

ISP1362 Host Controller, irq 53

sl811: driver sl811-hcd, 19 May 2005

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

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

Bluetooth: HCI USB driver ver 2.9

usb 1-2: new full speed USB device using isp1362-hcd and address 2

usb 1-2: configuration #1 chosen from 1 choice

usbcore: registered new interface driver hci_usb

usbcore: registered new interface driver usbhid

drivers/hid/usbhid/hid-core.c: v2.6:USB HID core driver

TCP cubic registered

NET: Registered protocol family 1

NET: Registered protocol family 17

Bluetooth: L2CAP ver 2.9

Bluetooth: L2CAP socket layer initialized

Bluetooth: SCO (Voice Link) ver 0.5

Bluetooth: SCO socket layer initialized

Bluetooth: RFCOMM socket layer initialized

Bluetooth: RFCOMM TTY layer initialized

Bluetooth: RFCOMM ver 1.8

Bluetooth: BNEP (Ethernet Emulation) ver 1.2

Bluetooth: BNEP filters: protocol multicast

Bluetooth: HIDP (Human Interface Emulation) ver 1.2

rtc-bfin rtc-bfin: setting system clock to 1970-01-01 00:08:42 UTC (522)

IP-Config: Complete:

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

host=BF537, domain=, nis-domain=(none),

bootserver=10.100.4.174, rootserver=10.100.4.174, rootpath=

Freeing unused kernel memory: 3616k freed

dma_alloc_init: dma_page @ 0x00527000 - 256 pages at 0x03f00000

_____________________________________

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| - blackfin.uclinux.org/

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

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

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

Have a lot of fun...

BusyBox v1.10.0 (2008-04-10 18:02:15 CST) built-in shell (msh)

Enter 'help' for a list of built-in commands.

root:/> PHY: 0:01 - Link is Up - 100/Full

hciconfig hci0 up

root:/> hciconfig

hci0: Type: USB

BD Address: 00:10:60:D0:8C:41 ACL MTU: 384:8 SCO MTU: 64:8

UP RUNNING PSCAN ISCAN

RX bytes:354 acl:0 sco:0 events:12 errors:0

TX bytes:39 acl:0 sco:0 commands:11 errors:0

root:/>

root:/> hcitool scan

Scanning ...

00:1D:28:26:3C:A1 W580c

00:0F:DE:89:88:0B P910c

11:11:11:11:11:11 VLI-L01

root:/> hcitool scan

Scanning ...BUG: scheduling while atomic: hcitool/171/0x04010000

SEQUENCER STATUS: Not tainted

SEQSTAT: 00000000 IPEND: 0002 SYSCFG: 0006

HWERRCAUSE: 0x0

EXCAUSE : 0x0

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

RETN: <0x002c4000> /* unknown address */

RETX: <0x033ce924> [ /lib/libuClibc-0.9.29.so + 0xe924 ]

RETS: <0x0003bf58> { _do_readv_writev + 0xe4 }

PC : <0x0005e9b8> { _inotify_inode_queue_event + 0x18 }

PROCESSOR STATE:

R0 : 00000000 R1 : 00000002 R2 : 00000000 R3 : 0051f96c

R4 : 00000003 R5 : 00000002 R6 : 00000001 R7 : 00000002

P0 : 00000000 P1 : 0051f914 P2 : 000000f0 P3 : 00301bd8

P4 : 00000092 P5 : 00291be4 FP : 00291cd4 SP : 002c3d34

LB0: ffa01856 LT0: ffa01856 LC0: 00000000

LB1: 000c408e LT1: 000c408a LC1: 00000000

B0 : 00000000 L0 : 00000000 M0 : 00000000 I0 : 00000002

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: 0001f1a9 A0.x: 00000000 A1.w: 0000062d A1.x: 00000000

USP : 002fe860 ASTAT: 02002020

NULL pointer access (probably)

Kernel OOPS in progress

Deferred Exception context

Double Fault

Kernel OOPS in progress

Deferred Exception context

No Valid process in current context

return address: [0x00003a7e]; contents of:

0x00003a50: 61f9 a0a8 5408 0808 186d e140 0015 e100

0x00003a60: 4ed4 e300 51a1 3046 c682 0f98 4f6f 320f

0x00003a70: 6018 9109 5401 0c00 1007 0000 3211 [e410]

0x00003a80: 0030 0c00 1021 6d06 0127 e140 0015 e100

SEQUENCER STATUS: Not tainted

SEQSTAT: 00060027 IPEND: ffa00856 SYSCFG: 0006

HWERRCAUSE: 0x18

EXCAUSE : 0x27

physical IVG6 asserted : <0xffa00d4c> { _evt_timer + 0x0 }

physical IVG11 asserted : <0xffa00d94> { _evt_evt11 + 0x0 }

logical irq 6 mapped : <0xffa00364> { _timer_interrupt + 0x0 }

logical irq 18 mapped : <0x000953b0> { _bfin_serial_dma_rx_int + 0x0 }

logical irq 19 mapped : <0x00094ee8> { _bfin_serial_dma_tx_int + 0x0 }

logical irq 24 mapped : <0x0009e138> { _bfin_mac_interrupt + 0x0 }

logical irq 53 mapped : <0x000a6dd4> { _usb_hcd_irq + 0x0 }

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

RETN: <0x002bf418> [ klogd + 0x1f418 ]

RETX: <0x00003a7e> { _dump_bfin_process + 0x52 }

RETS: <0x00003a66> { _dump_bfin_process + 0x3a }

PC : <0xffa00856> { _system_call + 0x22 }

DCPLB_FAULT_ADDR: <0x000000c0> /* Maybe null pointer? */

ICPLB_FAULT_ADDR: <0x00003a7e> { _dump_bfin_process + 0x52 }

PROCESSOR STATE:

R0 : 00000000 R1 : 00000000 R2 : 0000001f R3 : 0000001f

R4 : 00299bd8 R5 : 0000100d R6 : 00000003 R7 : 002be000

P0 : 0000000a P1 : 002be000 P2 : 00000000 P3 : 00299bd8

P4 : ffe02014 P5 : 002bf4f4 FP : 002bf6b8 SP : 002bf33c

LB0: 033def0a LT0: 033def0a LC0: 00000000

LB1: 033dcf7b LT1: 033dcf7a LC1: 00000000

B0 : 00000000 L0 : 00000000 M0 : 00000000 I0 : 002bfd40

B1 : 00000000 L1 : 00000000 M1 : 00000000 I1 : 033f5918

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 : 002bfd7c ASTAT: 02003025

Kernel panic - not syncing: Double Fault - unrecoverable event

Follow-ups

--- Mike Frysinger 2008-04-21 04:55:55

i dont really know anything about bluetooth, and this is a crash in kernel space

--- Robin Getz 2008-04-21 10:42:11

Before Michael takes a look at the hcitool issue, I need to fix the double

fault.

Vivi:

The 2nd fault (which causes the double fault), is a EXCAUSE == 27, which is a

double DCPLB fault (read or write from 0).

Can you run "addr2line -f -e ./vmlinux 0x3a7e" this should tell me

which line of C code is causing the read of 0?

Thanks

-Robin

--- Robin Getz 2008-04-21 10:51:50

I think I saw it, and added a new check on trunk (which I will put in the branch

as soon as Vivi lets me know it gets rid of the double fault problem).

-Robin

--- Vivi Li 2008-04-22 02:21:21

Still gets double fault problem, bellow is the log:

root:/> hcitool scan

Scanning ...

BUG: scheduling while atomic: hcitool/169/0x04010000

SEQUENCER STATUS: Not tainted

SEQSTAT: 00000000 IPEND: 0002 SYSCFG: 0006

HWERRCAUSE: 0x0

EXCAUSE : 0x0

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

RETN: <0x037c8000> /* unknown address */

RETX: <0x00226dd4> [ hcitool + 0x6d94 ]

RETS: <0x0003c1a0> { _do_readv_writev + 0xe4 }

PC : <0x0005ee80> { _inotify_inode_queue_event + 0xc }

PROCESSOR STATE:

R0 : 00000000 R1 : 00000002 R2 : 00000000 R3 : 033db474

R4 : 00000003 R5 : 0000000e R6 : 00000001 R7 : 00000002

P0 : 00000000 P1 : 033db41c P2 : 033db41c P3 : 00231b2c

P4 : 00000092 P5 : 001f50a4 FP : 037c7e34 SP : 037c7d34

LB0: ffa01856 LT0: ffa01856 LC0: 00000000

LB1: 000c481a LT1: 000c4816 LC1: 00000000

B0 : 00000000 L0 : 00000000 M0 : 00000000 I0 : 00000002

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: 0001f1a9 A0.x: 00000000 A1.w: 0000062d A1.x: 00000000

USP : 002319b8 ASTAT: 02002020

NULL pointer access (probably)

Kernel OOPS in progress

Deferred Exception context

No Valid process in current context

return address: [0xffa00856]; contents of:

0xffa00830: 0000 0010 e10a 2108 e14a ffe0 0023 9110

0xffa00840: b070 3107 b230 307e e106 e000 e146 ffff

0xffa00850: 55f7 3217 9152 [e716] 0076 e127 0166 3070

0xffa00860: 08be 1382 307e e106 e000 e146 ffff 55f7

SEQUENCER STATUS: Not tainted

SEQSTAT: 00000027 IPEND: 8030 SYSCFG: 0006

HWERRCAUSE: 0x0

EXCAUSE : 0x27

physical IVG15 asserted : <0xffa00db8> { _evt_system_call + 0x0 }

logical irq 6 mapped : <0xffa00364> { _timer_interrupt + 0x0 }

logical irq 18 mapped : <0x00095a74> { _bfin_serial_dma_rx_int + 0x0

}

logical irq 19 mapped : <0x000955a8> { _bfin_serial_dma_tx_int + 0x0

}

logical irq 24 mapped : <0x0009e814> { _bfin_mac_interrupt + 0x0 }

logical irq 53 mapped : <0x000a74d4> { _usb_hcd_irq + 0x0 }

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

Double Fault

Kernel OOPS in progress

Deferred Exception context

No Valid process in current context

return address: [0x00003d08]; contents of:

0x00003ce0: 0012 e120 01bc 304c 5081 0c42 180c 0000

0x00003cf0: e122 0100 a0d0 a091 b0f2 3056 6522 e302

0x00003d00: 38b3 3010 320c 914a [e512] 0027 0c42 1807

0x00003d10: 0000 0000 e411 001e 0a0f 142b a069 e428

SEQUENCER STATUS: Not tainted

SEQSTAT: 00060027 IPEND: ffa00856 SYSCFG: 0006

HWERRCAUSE: 0x18

EXCAUSE : 0x27

physical IVG6 asserted : <0xffa00d4c> { _evt_timer + 0x0 }

physical IVG11 asserted : <0xffa00d94> { _evt_evt11 + 0x0 }

logical irq 6 mapped : <0xffa00364> { _timer_interrupt + 0x0 }

logical irq 18 mapped : <0x00095a74> { _bfin_serial_dma_rx_int + 0x0

}

logical irq 19 mapped : <0x000955a8> { _bfin_serial_dma_tx_int + 0x0

}

logical irq 24 mapped : <0x0009e814> { _bfin_mac_interrupt + 0x0 }

logical irq 53 mapped : <0x000a74d4> { _usb_hcd_irq + 0x0 }

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

RETN: <0x004e52f8> [ klogd + 0x652f8 ]

RETX: <0x00003d08> { _decode_address + 0x158 }

RETS: <0x00003bfe> { _decode_address + 0x4e }

PC : <0xffa00856> { _system_call + 0x22 }

DCPLB_FAULT_ADDR: <0x0000009c> /* Maybe null pointer? */

ICPLB_FAULT_ADDR: <0x00003d08> { _decode_address + 0x158 }

PROCESSOR STATE:

R0 : 000001bc R1 : 037d8080 R2 : 037d823c R3 : 0000ffff

R4 : 004e4000 R5 : 0000100d R6 : 00000001 R7 : 004e5720

P0 : 00196b50 P1 : 004e4000 P2 : 00000000 P3 : 005a2660

P4 : 037d8080 P5 : 0349e180 FP : 0018f154 SP : 004e521c

LB0: 0048c5e6 LT0: 0048c5e6 LC0: 00000000

LB1: 00084d4c LT1: 00084d42 LC1: 00000000

B0 : 00000000 L0 : 00000000 M0 : 00000000 I0 : 004e54a0

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

B2 : 00000000 L2 : 00000000 M2 : 00000000 I2 : 0000001b

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

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

USP : 004e5eb8 ASTAT: 02002020

Kernel panic - not syncing: Double Fault - unrecoverable event

The result of run "addr2line -f -e ./vmlinux 0x3d08" is:

decode_address

/home/test/work/cruise/checkouts/uclinux-dist/linux-2.6.x/arch/blackfin/kernel/traps.c:142

--- Robin Getz 2008-04-22 10:15:08

Vivi - thanks.

Providing the addr2line of the kernel's ICPLB_FAULT_ADDR/RETX helps track down

the exact problem of the issue in minutes, and makes fixing it pretty painless.

We should try to do this in most of the bug kernel bug reports - I think it

would help alot.

I fixed the problem you found - Can you try it again and let me know where the

next problem is I'm sure there might be one or two more, as we don't really

run into problems where current is null very often, so we should take the time

to fix things while we have a reproducible test case.

Thanks again

Thanks.

--- Vivi Li 2008-04-22 23:52:00

Yeah, this addr2line tool is quite convenient to use. And I can see no double

fault now.

Bellow is the log:

root:/> hciconfig hci0 up

root:/> hcitool scan

Scanning ...

BUG: scheduling while atomic: hcitool/169/0x04010000

SEQUENCER STATUS: Not tainted

SEQSTAT: 00002000 IPEND: 0000 SYSCFG: 0006

HWERRCAUSE: 0x0

EXCAUSE : 0x0

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

RETN: <0x00638000> /* unknown address */

RETX: <0x00a66dd4> [ hcitool + 0x6d94 ]

RETS: <0xffa008ba> { _system_call + 0x9a }

PC : <0xffa013f0> { _schedule + 0x0 }

PROCESSOR STATE:

R0 : 00a66dd4 R1 : 00000000 R2 : 00000000 R3 : 001af7d8

R4 : 0000fffe R5 : 00000003 R6 : ffffe000 R7 : 00000004

P0 : 00000000 P1 : 001af780 P2 : 000000f0 P3 : 00a71b2c

P4 : 00000092 P5 : 00636000 FP : 00a719c4 SP : 00637e3c

LB0: ffa01826 LT0: ffa01826 LC0: 00000000

LB1: 000c485a LT1: 000c4856 LC1: 00000000

B0 : 00000000 L0 : 00000000 M0 : 00000000 I0 : 00000002

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: 0001f1a9 A0.x: 00000000 A1.w: 0000062d A1.x: 00000000

USP : 00a719b8 ASTAT: 02002020

NULL pointer access (probably)

Kernel OOPS in progress

Deferred Exception context

No Valid process in current context

return address: [0x00000480]; contents of:

0x00000460: 9101 5401 9300 0010 0000 0000 0000 0000

0x00000470: 9101 5801 9300 0010 0000 0000 0000 0000

0x00000480: [0000] 0000 0000 0000 00a4 0000 0000 0000

0x00000490: 0000 0000 0000 0000 0000 0000 0000 0000

SEQUENCER STATUS: Not tainted

SEQSTAT: 00062027 IPEND: 8030 SYSCFG: 0006

HWERRCAUSE: 0x18

EXCAUSE : 0x27

physical IVG15 asserted : <0xffa00d88> { _evt_system_call + 0x0 }

logical irq 6 mapped : <0xffa00364> { _timer_interrupt + 0x0 }

logical irq 18 mapped : <0x00095ab4> { _bfin_serial_dma_rx_int + 0x0

}

logical irq 19 mapped : <0x000955d0> { _bfin_serial_dma_tx_int + 0x0

}

logical irq 24 mapped : <0x0009e854> { _bfin_mac_interrupt + 0x0 }

logical irq 53 mapped : <0x000a7514> { _usb_hcd_irq + 0x0 }

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

RETN: <0x00be5720> [ klogd vma:0xb80000-0xbe6000]

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

RETS: <0xffa00dec> { _evt_system_call + 0x64 }

PC : <0xffa00842> { _system_call + 0x22 }

DCPLB_FAULT_ADDR: <0x000001d8> /* Maybe null pointer? */

ICPLB_FAULT_ADDR: <0xffa00842> { _system_call + 0x22 }

PROCESSOR STATE:

R0 : ffa00dec R1 : 00be58b0 R2 : 00be5824 R3 : 00000008

R4 : 00b997bc R5 : 00000002 R6 : ffffe000 R7 : 00be4000

P0 : 000000ae P1 : 0000001f P2 : 00000000 P3 : 00be5d68

P4 : 00be5df4 P5 : 00be58b0 FP : 00be5808 SP : 00be5644

LB0: 00b8c5e6 LT0: 00b8c5e6 LC0: 00000000

LB1: 00b8b5e5 LT1: 00b8b5e4 LC1: 00000000

B0 : 00000000 L0 : 00000000 M0 : 00000000 I0 : 00be5e78

B1 : 00000000 L1 : 00000000 M1 : 00000000 I1 : 00bdb228

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 : 00be5eb8 ASTAT: 02000000

Hardware Trace:

0 Target : <0x000045b4> { _trap_c + 0x0 }

Source : <0xffa006c6> { _exception_to_level5 + 0x9e }

1 Target : <0xffa00628> { _exception_to_level5 + 0x0 }

Source : <0xffa00582> { _ex_trap_c + 0x72 }

2 Target : <0xffa00510> { _ex_trap_c + 0x0 }

Source : <0xffa0039a> { _ex_workaround_261 + 0x22 }

3 Target : <0xffa00378> { _ex_workaround_261 + 0x0 }

Source : <0xffa00750> { _trap + 0x28 }

4 Target : <0xffa00728> { _trap + 0x0 }

Source : <0xffa004b2> { _bfin_return_from_exception + 0xe }

5 Target : <0xffa004a4> { _bfin_return_from_exception + 0x0 }

Source : <0xffa0038a> { _ex_workaround_261 + 0x12 }

6 Target : <0xffa00378> { _ex_workaround_261 + 0x0 }

Source : <0xffa00750> { _trap + 0x28 }

7 Target : <0xffa00728> { _trap + 0x0 }

Source : <0xffa00840> { _system_call + 0x20 }

8 Target : <0xffa00820> { _system_call + 0x0 }

Source : <0xffa00de8> { _evt_system_call + 0x60 }

9 Target : <0xffa00d88> { _evt_system_call + 0x0 }

Source : <0xffa00464> { _ex_syscall + 0x8 }

10 Target : <0xffa0045c> { _ex_syscall + 0x0 }

Source : <0xffa00750> { _trap + 0x28 }

11 Target : <0xffa00728> { _trap + 0x0 }

Source : <0x00b94f4c> [ klogd vma:0xb80000-0xbe6000]

12 Target : <0x00b94f40> [ klogd vma:0xb80000-0xbe6000]

Source : <0x00b920a4> [ klogd vma:0xb80000-0xbe6000]

13 Target : <0x00b92080> [ klogd vma:0xb80000-0xbe6000]

Source : <0x00b8c5f8> [ klogd vma:0xb80000-0xbe6000]

14 Target : <0x00b8c5c0> [ klogd vma:0xb80000-0xbe6000]

Source : <0x00b9207c> [ klogd vma:0xb80000-0xbe6000]

15 Target : <0x00b92054> [ klogd vma:0xb80000-0xbe6000]

Source : <0x00b88436> [ klogd vma:0xb80000-0xbe6000]

Stack from 00be5624:

00000000 ffa006ca ffa00c2c 00be4000 0000ffff 00000000 00000000

00000000

00000480 00008030 00062027 00000000 00be5720 00000480 ffa00842

ffa00dec

ffa00dec 02000000 00b8b5e5 00b8c5e6 00b8b5e4 00b8c5e6 00000000

00000000

00000000 00000000 00000000 00000000 00000000 00000000 00000000

00000000

00000000 00000000 00000000 00000000 00000000 00000000 00000000

00000000

00000000 00000000 00bdb228 00be5e78 00be5eb8 00be5808 00be58b0

00be5df4

Call Trace:

[<00008000>] _l1sram_proc_read+0x84/0x9c

[<00002000>] _get_sclk+0x10/0x58

[<00006666>] _module_frob_arch_sections+0x136/0x298

[<00004000>] _show_regs+0x224/0x368

[<001acaed>] _bfin_init_mmr_debugfs+0x1db1/0x7074

Modules linked in:

Kernel panic - not syncing: Kernel exception

--- Robin Getz 2008-04-23 16:30:00

Ok - since no more double faults (which were my fault), reassigning to Michael,

who can have a look at the Bluetooth problem.

-Robin

--- Michael Hennerich 2008-04-30 08:48:58

I can't reproduce this issue on my side.

Please attach config files.

-Michael

root:/> modprobe pehci

drivers/usb/host/pehcd/hal/hal_pxa.c: pid 8210, vid 8210

drivers/usb/host/pehcd/hal/hal_pxa.c: controller address 001ae3c8

drivers/usb/host/pehcd/hal/hal_pxa.c: isp1761_register_driver(drv=008fbdf0)

isp1761 isp1761.0: PHILIPS ISP1761

isp1761 isp1761.0: new USB bus registered, assigned bus number 1

isp1761 isp1761.0: irq 57, io mem 0x00000000

usb usb1: configuration #1 chosen from 1 choice

hub 1-0:1.0: USB hub found

hub 1-0:1.0: 1 port detected

drivers/usb/host/pehcd/hal/hal_pxa.c: Registered Driver Philips

drivers/usb/host/pehcd/host/pehci.c: Host Driver has been Registered

root:/> usb 1-1: new high speed USB device using isp1761 and address 2

usb 1-1: configuration #1 chosen from 1 choice

hub 1-1:1.0: USB hub found

hub 1-1:1.0: 3 ports detected

usb 1-1.2: new full speed USB device using isp1761 and address 3

usb 1-1.2: configuration #1 chosen from 1 choice

root:/> hciconfig

hci0: Type: USB

BD Address: 00:00:00:00:00:00 ACL MTU: 0:0 SCO MTU: 0:0

DOWN

RX bytes:0 acl:0 sco:0 events:0 errors:0

TX bytes:0 acl:0 sco:0 commands:0 errors:0

root:/> hciconfig hcio up

root:/> hciconfig

hci0: Type: USB

BD Address: 00:10:60:D0:0E:B4 ACL MTU: 384:8 SCO MTU: 64:8

UP RUNNING PSCAN ISCAN

RX bytes:340 acl:0 sco:0 events:11 errors:0

TX bytes:39 acl:0 sco:0 commands:11 errors:0

root:/> hcitool scan

Scanning ...