[#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:
N/A
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:
N/A
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
--- 192.168.1.66 ping statistics ---
1 packets transmitted, 0 received, +1 errors, 100% packet loss, time 0ms
uclinux63-527-usbdev:/root #
--
Follow-ups
--- Sonic Zhang 2010-08-24 00:11:31
No hardware fix in bf526 v0.2 for anomaly 456 is reported to
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