再次请教6.0 eboot的下载问题
自己修改mainstoneiii,遇到很奇怪的问题,eboot下载nk.bin到RAM,有时候能下进去,但大部分tftp总是超时,DNW打印信息如下:
EBoot Loader Configuration:
0) IP address: 172.16.96.128
1) Subnet mask: 255.255.255.0
2) Boot delay: 5 seconds
3) DHCP: (Disabled)
4) Reset to factory default configuration
5) RNDIS MAC address: 0-0-0-0-0-0
6) Launch existing flash resident image at startup
7) Boot device order: SMSC, USB RNDIS, PCMCIA0, PCMCIA1, USB SERIAL (DL Only)
8) Debug serial port: FFUART
D) Download image now
L) Launch existing flash resident image now
Enter your selection: d
FlashErase: flash erase complete!.
INFO: FlashWrite: writing to flash...
FlashWrite: flash write complete!.
INFO: Trying to initialize the built-in SMSC NIC...
INFO: CS8900AInit chip detected
INFO: SMSC CS8900A Ethernet controller initialized.
INFO: MAC address: 0-11-22-33-44-55
System ready!
Preparing for download...
+OEMPreDownload()
INFO: Using device name: 'MAINSTN17493'
+EbootSendBootmeAndWaitForTftp
Sent BOOTME to 255.255.255.255
Sent BOOTME to 255.255.255.255
Sent BOOTME to 255.255.255.255
Sent BOOTME to 255.255.255.255
Sent BOOTME to 255.255.255.255
Packet has the following data:
boot.bin[NULL]octet[NULL]
TFTP packet could have 1 name/value pairs
Locked Down Link 1
Src IP 172.16.96.128 Port 03D4 Dest IP 172.16.96.27 Port 0414
Default TFTP block size set to: 512 bytes
There were no options detected in the TFTP
EthDown::TFTPD_OPEN::boot.bin
-EbootSendBootmeAndWaitForTftp
BL_IMAGE_TYPE_BIN
Download file information:
-------------------------------------------------------------------------------
[0]: Address=0x80100000 Length=0xD72F70 Name=
****** OEMVerifyMemory checking physical range [ 0xA0100000 ==> 0xA0E72F6F ]...
****** RAM address ******
<> Record [ 0 ] dwRecAddr = 0x80100000, dwRecLen = 0x4
<> Record [ 1 ] dwRecAddr = 0x80100040, dwRecLen = 0x8
<> Record [ 2 ] dwRecAddr = 0x80100048, dwRecLen = 0x4
<> Record [ 3 ] dwRecAddr = 0x80101000, dwRecLen = 0xEC14
TFTP: Desktop losing ACK, block number = 1, Ack again
TFTP: Desktop losing ACK, block number = 1, Ack again
TFTP: Desktop losing ACK, block number = 1, Ack again
每次都是在这里超时卡住,一直找不到原因,目前两块板子都这样,网线也没什么问题,如果是代码的问题,可是偶尔也可以下载进去,已经关了防火墙,杀毒软件。
各位帮忙分析分析,原因出在什么地方呢,无奈了。