Greetings,
On 04/11/2014 09:23 AM, Tran, Dang wrote:
Hi,
I'm running a PowerPC board that uses U-Boot and I get into this loop (see
terminal output below).
It doesn't matter how I get into this loop. What I really care about is how to
break out of it without manually resetting the board.
Is there a way to break out of this loop and reset the system via the terminal?
Ctrl-X and Ctrl-C doesn't seem to do anything.
It might be helpful to know which version of U-Boot you are using.
TERMINAL OUTPUT
Waiting for PHY auto negotiation to complete...... TIMEOUT !
eTSEC1: No link.
Speed: 1000, full duplex
Using eTSEC2 device
TFTP from server 192.168.128.127; our IP address is 192.168.128.128 Filename
'oe/bsp/mvme2500/vxWorks'.
Load address: 0x1000000
Loading: T T T T T T T T T T
Retry count exceeded; starting again
Waiting for PHY auto negotiation to complete...... TIMEOUT !
For U-Boot builds made from official sources, ctrl-C works for me to
terminate the retry TFTP, as shown
=> # with no Ethernet connection...
=> tftp 500000 test.txt
Waiting for PHY auto negotiation to complete....user interrupt!
eTSEC1: No link.
show_boot_progress(-81) boot fail
=> # in the above, "user interrupt!" was the response to ^C
=>
=> # 10.10.0.10 is known to not exist
=> setenv serverip 10.10.0.10
=> tftp 500000 test.txt
Speed: 1000, full duplex
Using eTSEC1 device
TFTP from server 10.10.0.10; our IP address is 10.10.0.15
Filename 'test.txt'.
Load address: 0x500000
Loading: T T
Abort
show_boot_progress(-81) boot fail
=> # in the above, "Abort" was the response to ^C
=>
Please make sure your serial communication terminal emulator correctly
transmits the ctrl-C when you type it. To see if this works, get to a
U-Boot prompt and type ctrl-C, you should see <INTERRUPT>
...
Thanks
Dang
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Best regards,
Jim
---
Jim Chargin
AJA Video Systems j...@aja.com
(530) 271-3334 http://www.aja.com
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