[#4648] kernel will crash when enable option of "Re-program Clocks while Kernel boots" on BF561-EZKIT

Question

Accepted Answer

[#4648] kernel will crash when enable option of "Re-program Clocks while Kernel boots" on BF561-EZKIT

Submitted By: Vivi Li

Open Date

2008-11-14 04:52:18 Close Date

2008-11-14 05:06:57

Priority:

Medium Assignee:

Nobody

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:

Duplicate

Uboot version or rev.:

Toolchain version or rev.:

gcc4.1 on Nov. 14

App binary format:

N/A

Summary: kernel will crash when enable option of "Re-program Clocks while Kernel boots" on BF561-EZKIT

Details:

Enable option of "Re-program Clocks while Kernel boots" and using its default value on BF561-EZKIT, kernel will crash when boot up.

-

Linux version 2.6.28-rc2-ADI-2009R1-pre-svn5679 (test@uclinux66-561ezkit) (gcc version 4.1.2 (ADI svn)) #202 Thu Nov 13 03:50:03 CST 2008^M

console [early_BFuart0] enabled^M

early printk enabled on early_BFuart0^M

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

Board Memory: 64MB^M

Kernel Managed Memory: 64MB^M

Memory map:^M

fixedcode = 0x00000400-0x00000490^M

text = 0x00001000-0x001023e0^M

rodata = 0x001023e0-0x0014e69c^M

bss = 0x0014e6a0-0x0015edd8^M

data = 0x0015edd8-0x0016e000^M

stack = 0x0016c000-0x0016e000^M

init = 0x0016e000-0x00484000^M

available = 0x00484000-0x037ff000^M

DMA Zone = 0x03f00000-0x04000000^M

Hardware Trace Active and Enabled^M

Reset caused by Software reset^M

Compiled for ADSP-BF561 Rev 0.3^M

Warning: Compiled for Rev 3, but running on Rev 5^M

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

Processor Speed: 600 MHz core clock and 120 MHz System Clock^M

NOMPU: setting up cplb tables for global access^M

Instruction Cache Enabled for CPU0^M

Data Cache Enabled for CPU0 (write-through)^M

Built 1 zonelists in Zone order, mobility grouping off. Total pages: 14223^M

Kernel command line: root=/dev/mtdblock0 rw earlyprintk=serial,uart0,57600 ip=10.100.4.50:10.100.4.174:10.100.4.174:255.255.255.0:bf561-ezkit:eth0:off^M

Configuring Blackfin Priority Driven Interrupts^M

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

console handover: boot [early_BFuart0] -> real [ttyBF0]^M

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

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

Bad page state in process 'swapper'^M

page:004932c0 flags:0x00000000 mapping:00000000 mapcount:-49152 count:0^M

Trying to fix it up, but a reboot is needed^M

Backtrace:^M

Hardware Trace:^M

0 Target : <0x0000492c> { _dump_stack + 0x0 }^M

Source : <0x00032766> { _bad_page + 0x5a } CALL pcrel^M

1 Target : <0x00032766> { _bad_page + 0x5a }^M

Source : <0x0000e7a6> { _printk + 0x16 } RTS^M

2 Target : <0x0000e7a2> { _printk + 0x12 }^M

Source : <0x0000efd8> { _vprintk + 0x130 } RTS^M

3 Target : <0x0000efcc> { _vprintk + 0x124 }^M

Source : <0xffa00d58> { __common_int_entry + 0xd8 } RTI^M

4 Target : <0xffa00cf6> { __common_int_entry + 0x76 }^M

Source : <0xffa00b40> { _return_from_int + 0x58 } RTS^M

5 Target : <0xffa00b40> { _return_from_int + 0x58 }^M

Source : <0xffa00b16> { _return_from_int + 0x2e } IF !CC JUMP^M

6 Target : <0xffa00ae8> { _return_from_int + 0x0 }^M

Source : <0xffa00cf2> { __common_int_entry + 0x72 } CALL pcrel^M

7 Target : <0xffa00cf0> { __common_int_entry + 0x70 }^M

Source : <0xffa0042c> { _asm_do_IRQ + 0x70 } RTS^M

8 Target : <0xffa00424> { _asm_do_IRQ + 0x68 }^M

Source : <0x000125a6> { __local_bh_enable + 0x3e } RTS^M

9 Target : <0x00012568> { __local_bh_enable + 0x0 }^M

Source : <0x00012696> { ___do_softirq + 0xa6 } JUMP.L^M

10 Target : <0x0001268e> { ___do_softirq + 0x9e }^M

Source : <0x0001266c> { ___do_softirq + 0x7c } IF !CC JUMP^M

11 Target : <0x0001264e> { ___do_softirq + 0x5e }^M

Source : <0x0002dd8c> { _rcu_process_callbacks + 0x30 } RTS^M

12 Target : <0x0002dd88> { _rcu_process_callbacks + 0x2c }^M

Source : <0x0002dcbe> { ___rcu_process_callbacks + 0x132 } RTS^M

13 Target : <0x0002dcb8> { ___rcu_process_callbacks + 0x12c }^M

Source : <0x0002dc42> { ___rcu_process_callbacks + 0xb6 } IF !CC JUMP^M

14 Target : <0x0002dc26> { ___rcu_process_callbacks + 0x9a }^M

Source : <0x0002db9a> { ___rcu_process_callbacks + 0xe } IF !CC JUMP^M

15 Target : <0x0002db8c> { ___rcu_process_callbacks + 0x0 }^M

Source : <0x0002dd84> { _rcu_process_callbacks + 0x28 } CALL pcrel^M

Stack info:^M

SP: [0x0016def4] <0x0016def4> /* kernel dynamic memory */^M

FP: (0x0016df20)^M

Memory from 0x0016def0 to 0016e000^M

0016def0: 00000028 [10624dd3]<0003276a> 004932c0 ffff4000 00000020 0000001f fffff755 ^M

0016df10: 00000008 00000000 00000000 ffff4000 (00000000)<00032f40> 004932c0 0016df80 ^M

0016df30:<0000e7a2> 00511760 00000004 <0017e120> 00484000 00000520 000001ff 00000016 ^M

0016df50: 00000500 0014e6a4 <0000ecb8> 00160340 <0000e7a2> 0015a1d0 0014ef70 00000001 ^M

0016df70: 00160340 <0017afd8> 0015a1d0 0014ef70 0014e6b0 0014e6a4 00000000 00000000 ^M

0016df90: 00000000 00188f54 000037ff 00000001 00000000 00000000 00000000 00160340 ^M

0016dfb0: 0000000e <0016e684> 0014eb08 00186224 0014e6a4 00000000 00000000 00000000 ^M

0016dfd0: 00000000 00186224 0014e4f8 00000015 0016e0a8 00188270 0016e000 <0017b372>^M

0016dff0: 00000000 00000000 00000000 ffb00000 0014e14a ^M

Return addresses in stack:^M

address : <0x0003276a> { _bad_page + 0x5e }^M

frame 1 : <0x00032f40> { _free_hot_cold_page + 0x130 }^M

address : <0x0000e7a2> { _printk + 0x12 }^M

address : <0x0017e120> { _free_all_bootmem_core + 0x90 }^M

address : <0x0000ecb8> { _register_console + 0x1a8 }^M

address : <0x0000e7a2> { _printk + 0x12 }^M

address : <0x0017afd8> { _mem_init + 0x44 }^M

address : <0x0016e684> { _start_kernel + 0x1c4 }^M

address : <0x0017b372> { _real_start + 0x82 }^M

Bad page state in process 'swapper'^M

page:004932e0 flags:0x00000000 mapping:00000000 mapcount:-49152 count:0^M