[#4792] telnet to target response slower

Submitted By: Mingquan Pan

Open Date

2009-01-09 06:53:55 Close Date

2009-01-14 01:12:44

Priority:

Medium Assignee:

Nobody

Status:

Closed Fixed In Release:

N/A

Found In Release:

N/A Release:

Category:

N/A Board:

N/A

Processor:

BF537 Silicon Revision:

Is this bug repeatable?:

Yes Resolution:

Assigned (Not Start)

Uboot version or rev.:

Toolchain version or rev.:

Nov 11

App binary format:

N/A

Summary: telnet to target response slower

Details:

telnet to target response sometimes quite slow when doing ls command (one in seven times), and sometimes it can't smoothly input a long command like ping 10.100.4.50,but the ping process looks ok.

root:~> dmesg

Linux version 2.6.28-ADI-2009R1-pre-svn5978 (test@uclinux54-adv7393-ad1981-usb1362) (gcc version 4.1.2 (ADI svn)) #108 Fri Jan 9 19:18:50 CST 2009

console [early_BFuart0] enabled

early printk enabled on early_BFuart0

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

Board Memory: 64MB

Kernel Managed Memory: 64MB

Memory map:

fixedcode = 0x00000400-0x00000490

text = 0x00001000-0x0010a4d0

rodata = 0x0010a4d0-0x0015c810

bss = 0x0015c810-0x0016b2b0

data = 0x0016b2b0-0x0017c000

stack = 0x0017a000-0x0017c000

init = 0x0017c000-0x0064c000

available = 0x0064c000-0x037ff000

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 100 MHz System Clock

boot memmap: 000000000064c000 - 00000000037ff000 (usable)

On node 0 totalpages: 14335

free_area_init_node: node 0, pgdat 001784b4, node_mem_map 00651000

DMA zone: 112 pages used for memmap

DMA zone: 0 pages reserved

DMA zone: 14223 pages, LIFO batch:3

Normal zone: 0 pages used for memmap

Movable zone: 0 pages used for memmap

NOMPU: setting up cplb tables

Instruction Cache Enabled for CPU0

Data Cache Enabled for CPU0 (write-through)

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

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:BF537:eth0:off

Configuring Blackfin Priority Driven Interrupts

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

bfin-rtc: invalid date; resetting

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

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

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

Kernel managed physical pages: 14335

Memory available: 50312k/65536k RAM, (4928k init code, 1061k kernel code, 455k data, 1024k dma, 7756k reserved)

Calibrating delay loop... 995.32 BogoMIPS (lpj=1990656)

Security Framework initialized

Mount-cache hash table entries: 512

Blackfin Scratchpad data SRAM: 4 KB

Blackfin L1 Data A SRAM: 16 KB (15 KB free)

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

Blackfin L1 Instruction SRAM: 48 KB (41 KB free)

PDA for CPU0 reserved at 0015d8f8

net_namespace: 288 bytes

NET: Registered protocol family 16

Blackfin GPIO Controller

Blackfin DMA Controller

stamp_init(): registering device resources

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

NET: Registered protocol family 1

Setting up Blackfin MMR debugfs

msgmni has been set to 98

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

brd: module loaded

bfin_mac_mdio: probed

bfin_mac: attached PHY driver [SMSC LAN83C185] (mii_bus:phy_addr=0:01, irq=-1, mdc_clk=2500000Hz(mdc_div=19)@sclk=100MHz)

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

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

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

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

TCP cubic registered

NET: Registered protocol family 17

rtc-bfin rtc-bfin: setting system clock to 1970-01-01 00:00:01 UTC (1)

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: 4928k freed

dma_alloc_init: dma_page @ 0x00648000 - 256 pages at 0x03f00000

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

root:~> ifconfig

eth0 Link encap:Ethernet HWaddr 00:E0:22:FE:47:C0

inet addr:10.100.4.50 Bcast:10.100.4.255 Mask:255.255.255.0

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:1875 errors:0 dropped:0 overruns:0 frame:0

TX packets:1518 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:210880 (205.9 KiB) TX bytes:272131 (265.7 KiB)

lo Link encap:Local Loopback

inet addr:127.0.0.1 Mask:255.0.0.0

UP LOOPBACK RUNNING MTU:16436 Metric:1

RX packets:0 errors:0 dropped:0 overruns:0 frame:0

TX packets:0 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

on host:

test@uclinux54-adv7393-ad1981-usb1362:~/work/cruise/checkouts/uclinux-dist/testsuites/stress> telnet 10.100.4.50

Trying 10.100.4.50...

Connected to 10.100.4.50.

Escape character is '^]'.

BusyBox v1.13.2 (2009-01-09 19:11:09 CST) built-in shell (msh)

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

root:/> ls

bin etc init mnt root sys usr