kern/134591: [ral] ral(4) driver frequently loses carrier (on RT2560)

J.R. Oldroyd fbsd at opal.com
Sat May 16 20:10:07 UTC 2009


>Number:         134591
>Category:       kern
>Synopsis:       [ral] ral(4) driver frequently loses carrier (on RT2560)
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat May 16 20:10:05 UTC 2009
>Closed-Date:
>Last-Modified:
>Originator:     J.R. Oldroyd
>Release:        FreeBSD 7.2-PRERELEASE i386
>Organization:
>Environment:
System: FreeBSD xx.opal.com 7.2-PRERELEASE FreeBSD 7.2-PRERELEASE #0: Thu Apr 9 19:46:17 CEST 2009 xx at xx.opal.com:/usr/obj/usr/src/sys/XX i386
>Description:
The ral(4) inferface repeatedly goes down and up even when in close proximity
to the access-point.

ifconfig ral0
ral0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        ether 00:11:09:xx:xx:xx
        inet6 fe80::211:9ff:fexx:xxxx%ral0 prefixlen 64 scopeid 0x1 
        inet6 2001:5c0:1100:f103:211:9ff:fexx:xxxx prefixlen 64 autoconf 
        inet 192.168.3.67 netmask 0xffffff00 broadcast 192.168.3.255
        media: IEEE 802.11 Wireless Ethernet autoselect (OFDM/54Mbps)
        status: associated
        ssid xx channel 6 (2437 Mhz 11g) bssid 00:16:b6:xx:xx:xx
        authmode WPA privacy ON deftxkey UNDEF TKIP 2:128-bit TKIP 3:128-bit
        txpower 50 bmiss 7 scanvalid 60 bgscan bgscanintvl 300 bgscanidle 250
        roam:rssi11g 7 roam:rate11g 5 protmode CTS roaming MANUAL

boot stuff:
May 10 07:11:29 xx kernel: ral0: <Ralink Technology RT2560> mem 0xdfffe000-0xdfffffff irq 11 at device 9.0 on pci0
May 10 07:11:29 xx kernel: ral0: MAC/BBP RT2560 (rev 0x04), RF RT2525
May 10 07:11:29 xx kernel: ral0: Ethernet address: 00:11:09:xx:xx:xx
May 10 07:11:29 xx kernel: ral0: [ITHREAD]

>How-To-Repeat:
1. enable ral(4) driver.
2. wait a while.
3. look at syslog:
May 16 12:02:14 xx kernel: ral0: link state changed to DOWN
May 16 12:02:17 xx kernel: ral0: link state changed to UP
May 16 12:02:27 xx kernel: ral0: link state changed to DOWN
May 16 12:02:55 xx kernel: ral0: link state changed to UP
May 16 12:22:56 xx kernel: ral0: link state changed to DOWN
May 16 12:23:11 xx kernel: ral0: link state changed to UP
May 16 12:28:49 xx kernel: ral0: link state changed to DOWN
May 16 12:29:05 xx kernel: ral0: link state changed to UP
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:


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