[#5945] Gadget ethernet fails to work in dma mode when anomaly 456 is disabled on bf526-ezbrd
Submitted By: Vivi Li
Open Date
2010-03-05 04:56:53
Priority:
Medium Assignee:
Bob Liu
Status:
Open Fixed In Release:
N/A
Found In Release:
2010R1 Release:
Category:
Drivers Board:
Processor:
BF526 Silicon Revision:
Is this bug repeatable?:
Yes Resolution:
Duplicate
Uboot version or rev.:
Toolchain version or rev.:
gcc4.3-2010_Jan_22
App binary format:
Summary: Gadget ethernet fails to work in dma mode when anomaly 456 is disabled on bf526-ezbrd
Details:
Gadget ethernet fails to work in dma mode when anomaly 456 is disabled on bf526-ezbrd.
On target:
--
modprobe g_ether host_addr=00:dc:c8:f7:75:05 dev_addr=00:dd:dc:eb:6d:f1^M
usb0: MAC 00:dd:dc:eb:6d:f1^M
usb0: HOST MAC 00:dc:c8:f7:75:05^M
g_ether gadget: Ethernet Gadget, version: Memorial Day 2008^M
g_ether gadget: g_ether ready^M
root:/> g_ether gadget: high speed config #1: CDC Ethernet (ECM)^M
lsmod^M
Module Size Used by^M
g_ether 17308 0 ^M
root:/> ifconfig usb0 192.168.1.66 up
root:/> ifconfig usb0^M
usb0 Link encap:Ethernet HWaddr 00:DD:DC:EB:6D:F1 ^M
inet addr:192.168.1.66 Bcast:192.168.1.255 Mask:255.255.255.0^M
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1^M
RX packets:0 errors:0 dropped:0 overruns:0 frame:0^M
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0^M
collisions:0 txqueuelen:1000 ^M
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)^M
^M
root:/>
On host:
uclinux63-527-usbdev:/root # ifconfig eth2 192.168.1.56
uclinux63-527-usbdev:/root # ping -f -l50 -c 1000 192.168.1.66
PING 192.168.1.66 (192.168.1.66) 56(84) bytes of data.
...........................................................................................................................................................................................................................................................................................................^HE^HE^HE^HE............................................................................................................................................................................................................................................................................................................^HE^HE^HE............................................................................................................................................................................................................................................................................................................^HE^HE^HE.....................................................................................................^HE^HE^HE^M
--- 192.168.1.66 ping statistics ---
1000 packets transmitted, 0 received, +13 errors, 100% packet loss, time 9622ms^M
, pipe 52, ipg/ewma 9.631/0.000 ms
uclinux63-527-usbdev:/root #
uclinux63-527-usbdev:/root # ping -c 1 -s 1024 192.168.1.66
PING 192.168.1.66 (192.168.1.66) 1024(1052) bytes of data.
From 192.168.1.56: icmp_seq=1 Destination Host Unreachable
1 packets transmitted, 0 received, +1 errors, 100% packet loss, time 0ms
Follow-ups
--- Sonic Zhang 2010-08-24 00:11:31
No hardware fix in bf526 v0.2 for anomaly 456 is reported to
processor.support@analog.com.
Duplicate of 5944.
Files
Changes
Commits
Dependencies
Duplicates
Associations
Tags
File Name File Type File Size Posted By
config.linux.usbdev.dma application/octet-stream 37916 Vivi Li
anomaly.diff application/octet-stream 906 Vivi Li