Date: Mon, 28 Jan 2008 23:30:04 GMT From: Robert Jenssen <robertjenssen@ozemail.com.au> To: freebsd-bugs@FreeBSD.org Subject: Re:kern/119696: [irq] [ral] ral device causes massive interrupt storm sometimes Message-ID: <200801282330.m0SNU42o080898@freefall.freebsd.org>
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The following reply was made to PR kern/119696; it has been noted by GNATS. From: Robert Jenssen <robertjenssen@ozemail.com.au> To: bug-followup@freebsd.org Cc: Subject: Re:kern/119696: [irq] [ral] ral device causes massive interrupt storm sometimes Date: Tue, 29 Jan 2008 09:54:06 +1100 Hi, For two years I have been successfully using an Ralink Wireless Ethernet card with a Belkin F1PI241EGau wireless router under FreeBSD 6. After upgrading to FreeBSD 7 RC1 the card doesn't reliably connect to the router at bootup. Perhaps the problem is related to this PR? I am not sure how to diagnose an "interrupt storm". There is nothing relevant in /var/log/messages. Rebooting (sometimes multiple times) fixes the problem. As you can see in the following example, simply restarting ral0 is not sufficient. I have not seen this problem when booting into Win2K. Regards, Rob Jenssen For example (SSID blanked): # uname -a FreeBSD kraken.wollstonecraft 7.0-RC1 FreeBSD 7.0-RC1 #0: Mon Jan 28 18:24:20 EST 2008 root@kraken.wollstonecraft:/usr/obj/usr/src/sys/KRAKEN i386 # dmesg | grep ral0 ral0: <Ralink Technology RT2560> mem 0xf2004000-0xf2005fff irq 22 at device 6.0 on pci2 ral0: MAC/BBP RT2560 (rev 0x04), RF RT2525 ral0: Ethernet address: 00:11:50:63:cd:47 ral0: [ITHREAD] # pciconf -lv . . ral0@pci0:2:6:0: class=0x028000 card=0x700a1799 chip=0x02011814 rev=0x01 hdr=0x00 vendor = 'Ralink Technology, Corp' device = '0x03011814 Zonet ZEW1601 (Ralink Chipset) 802.11b/g WLAN Card' class = network # ifconfig ral0 list scan SSID BSSID CHAN RATE S:N INT CAPS Ear########... 00:12:bf:25:34:6b 10 54M -63:-95 100 EPS WPA # sudo /etc/rc.d/netif restart ral0 Starting wpa_supplicant. ral0: no link .............. giving up ral0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 ether 00:11:50:63:cd:47 media: IEEE 802.11 Wireless Ethernet autoselect (DS/1Mbps) status: no carrier ssid Ear##################### channel 10 (2457 Mhz 11g) authmode WPA privacy ON deftxkey UNDEF txpower 50 bmiss 7 scanvalid 60 bgscan bgscanintvl 300 bgscanidle 250 roam:rssi11g 7 roam:rate11g 5 protmode CTS roaming MANUAL
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