[#5579] console output abnormal on bf537 stamp
Submitted By: Mingquan Pan
Open Date
2009-09-29 06:26:56 Close Date
2009-10-15 22:30:38
Priority:
Medium Assignee:
Sonic Zhang
Status:
Closed Fixed In Release:
N/A
Found In Release:
2010R1 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.:
09r1-rc9
App binary format:
N/A
Summary: console output abnormal on bf537 stamp
Details:
console output abnormal on bf537 stamp now.
bfin> bootm
## Booting kernel from Legacy Image at 02000000 ...
Image Name: bf537-2.6.31.1-ADI-2010R1-pre-sv
Created: 2009-09-29 9:37:47 UTC
Image Type: Blackfin Linux Kernel Image (gzip compressed)
Data Size: 4701510 Bytes = 4.5 MB
Load Address: 00001000
Entry Point: 00191874
Verifying Checksum ... OK
Uncompressing Kernel Image ... OK
Starting Kernel at = 00191874
Linux version 2.6.31.1-ADI-2010R1-pre-svn7501 (test@uclinux55-bf537-cf) (gcc version 4.1.2 (ADI svn)) #4 Tue Sep 29 17:37:38 CST 2009
register early platform devices
bootconsole [early_shadow0] enabled
bootconsole [early_BFuart0] enabled
early printk enabled on early_BFuart0
Limiting kernel memory to 56MB due to anomaly 05000263
Board Memory: 64MB
Kernel Managed Memory: 64MB
Memory map:
fixedcode = 0x00000400-0x00000490
text = 0x00001000-0x0010b2c0
rodata = 0x0010b2c0-0x001644a8
bss = 0x00165000-0x00175b2c
data = 0x00175b2c-0x00186000
stack = 0x00184000-0x00186000
init = 0x00186000-0x008b9000
available = 0x008b9000-0x037ff000
DMA Zone = 0x03f00000-0x04000000
Hardware Trace Active and Enabled
Boot Mode: 0
Reset caused by Software reset
Blackfin support (C) 2004-2009 Analog Devices, Inc.
Compiled for ADSP-BF537 Rev 0.2
Blackfin Linux support by http://blackfin.uclinux.org/
Processor Speed: 500 MHz core clock and 125 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: 14223
Kernel command line: root=/dev/mtdblock0 rw ip=10.100.4.50 earlyprintk=serial,uart0,57600 console=ttyBF0,57600 ip=10.100.4.50:10.100.4.174:10.100.4.174:255.255.255.0:bf537-stamp:eth0:off
PID hash table entries: 256 (order: 8, 1024 bytes)
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Memory available: 47840k/65536k RAM, (7372k init code, 1064k kernel code, 492k data, 1024k dma, 7744k reserved)
NR_IRQS:98
Configuring Blackfin Priority Driven Interrupts
c
9nsole [ttyBF0] enabled, bootconsole disabled
S
B
N
B
b
N
I
T
N
m
b
b
b
b
b
b
r
b
T
脗)I
F
d
脨 _____________________________________
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 v1.15.1 (2009-09-29 17:04:27 CST) hush - the humble shell
root:/> versionPHY: 0:01 - Link is Up - 100/Full
Follow-ups
--- Sonic Zhang 2009-10-10 06:34:47
Fixed. Restore spinlock in earlyprintk operation.
--- Mingquan Pan 2009-10-11 22:38:11
when checking the testing log of linux revision svn7580, this bug still shows up
from time to time.
## Booting kernel from Legacy Image at 02000000 ...
Image Name: bf537-2.6.31.3-ADI-2010R1-pre-sv
Created: 2009-10-11 22:48:46 UTC
Image Type: Blackfin Linux Kernel Image (gzip compressed)
Data Size: 4700790 Bytes = 4.5 MB
Load Address: 00001000
Entry Point: 0019185c
Verifying Checksum ... OK
Uncompressing Kernel Image ... OK
Starting Kernel at = 0019185c
Linux version 2.6.31.3-ADI-2010R1-pre-svn7580
(test@uclinux50-bf537-ad9960-ad1836) (gcc version 4.1.2 (ADI svn)) #46 Mon Oct
12 06:48:09 CST 2009
register early platform devices
bootconsole [early_shadow0] enabled
bootconsole [early_BFuart0] enabled
early printk enabled on early_BFuart0
Limiting kernel memory to 56MB due to anomaly 05000263
Board Memory: 64MB
Kernel Managed Memory: 64MB
Memory map:
fixedcode = 0x00000400-0x00000490
text = 0x00001000-0x0010b7b0
rodata = 0x0010b7b0-0x00164a70
bss = 0x00165000-0x00175b2c
data = 0x00175b2c-0x00186000
stack = 0x00184000-0x00186000
init = 0x00186000-0x008c0000
available = 0x008c0000-0x037ff000
DMA Zone = 0x03f00000-0x04000000
Hardware Trace Active and Enabled
Boot Mode: 0
Reset caused by Software reset
Blackfin support (C) 2004-2009 Analog Devices, Inc.
Compiled for ADSP-BF537 Rev 0.2
Blackfin Linux support by http://blackfin.uclinux.org/
Processor Speed: 500 MHz core clock and 125 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: 14223
Kernel command line: root=/dev/mtdblock0 rw ip=10.100.4.50
earlyprintk=serial,uart0,57600 console=ttyBF0,57600
ip=10.100.4.50:10.100.4.174:10.100.4.174:255.255.255.0:bf537-stamp:eth0:off
PID hash table entries: 256 (order: 8, 1024 bytes)
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Memory available: 47812k/65536k RAM, (7400k init code, 1065k kernel code, 491k
data, 1024k dma, 7744k reserved)
NR_IRQS:98
Configuring Blackfin Priority Driven Interrupts
c
9nsole [ttyBF0] enabled, bootconsole disabled
e
B
N
B
b
N
I
T
N
m
b
b
b
b
b
b
r
b
T
expect: spawn id exp4 not open
--- Sonic Zhang 2009-10-12 22:57:09
Done this time. Should zero bfin_serial_port after switch to dynamical
allocation.
--- Mingquan Pan 2009-10-15 22:30:38
Yes, fixed,close.
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