Date: Wed, 13 Feb 2013 11:35:36 GMT From: Anton Shterenlikht <mexas@bristol.ac.uk> To: FreeBSD-gnats-submit@freebsd.org Subject: kern/176104: iwn0: iwn_intr: fatal firmware error Message-ID: <201302131135.r1DBZa2h095199@mech-cluster241.men.bris.ac.uk> Resent-Message-ID: <201302131140.r1DBe1P3036754@freefall.freebsd.org>
next in thread | raw e-mail | index | archive | help
>Number: 176104 >Category: kern >Synopsis: iwn0: iwn_intr: fatal firmware error >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Feb 13 11:40:00 UTC 2013 >Closed-Date: >Last-Modified: >Originator: Anton Shterenlikht >Release: FreeBSD 10.0-CURRENT ia64 >Organization: University of Bristol >Environment: FreeBSD zzz 10.0-CURRENT FreeBSD 10.0-CURRENT #4 r246552: Sun Feb 10 00:37:33 GM T 2013 root@zzz:/usr/obj/usr/src/sys/T61p amd64 >Description: At some, seemingly random points, the iwn driver will stop working with this message: iwn0: iwn_intr: fatal firmware error firmware error log: error type = "NMI_INTERRUPT_WDG" (0x00000004) program counter = 0x0000046C source line = 0x000000D0 error data = 0x0000000207030000 branch link = 0x00008370000004C2 interrupt link = 0x000006DA000018B8 time = 200035 driver status: tx ring 0: qid=0 cur=0 queued=0 tx ring 1: qid=1 cur=0 queued=0 tx ring 2: qid=2 cur=0 queued=0 tx ring 3: qid=3 cur=2 queued=1 tx ring 4: qid=4 cur=67 queued=0 tx ring 5: qid=5 cur=0 queued=0 tx ring 6: qid=6 cur=0 queued=0 tx ring 7: qid=7 cur=0 queued=0 tx ring 8: qid=8 cur=0 queued=0 tx ring 9: qid=9 cur=0 queued=0 tx ring 10: qid=10 cur=0 queued=0 tx ring 11: qid=11 cur=0 queued=0 tx ring 12: qid=12 cur=0 queued=0 tx ring 13: qid=13 cur=0 queued=0 tx ring 14: qid=14 cur=0 queued=0 tx ring 15: qid=15 cur=0 queued=0 rx ring: cur=13 After that a restart of the network is required, i.e. /etc/rc.d/netif restart It seems sometimes flipping the radio switch a few times will lead to the same problem. Sometimes restarting network doesn't help, and in some cases I have to restart it 3-4-5 times before the iwn works again: wlan0: link state changed to DOWN wlan0: link state changed to UP wlan0: link state changed to DOWN wlan0: link state changed to UP iwn0: iwn_intr: fatal firmware error firmware error log: error type = "NMI_INTERRUPT_WDG" (0x00000004) program counter = 0x0000046C source line = 0x000000D0 error data = 0x0000000207430000 branch link = 0x00008370000004C2 interrupt link = 0x000006DA000018B8 time = 2357321991 driver status: tx ring 0: qid=0 cur=19 queued=0 tx ring 1: qid=1 cur=0 queued=0 tx ring 2: qid=2 cur=0 queued=0 tx ring 3: qid=3 cur=79 queued=0 tx ring 4: qid=4 cur=220 queued=0 tx ring 5: qid=5 cur=0 queued=0 tx ring 6: qid=6 cur=0 queued=0 tx ring 7: qid=7 cur=0 queued=0 tx ring 8: qid=8 cur=0 queued=0 tx ring 9: qid=9 cur=0 queued=0 tx ring 10: qid=10 cur=0 queued=0 tx ring 11: qid=11 cur=0 queued=0 tx ring 12: qid=12 cur=0 queued=0 tx ring 13: qid=13 cur=0 queued=0 tx ring 14: qid=14 cur=0 queued=0 tx ring 15: qid=15 cur=0 queued=0 rx ring: cur=12 in6_purgeaddr: err=65, destination address delete failed wlan0: link state changed to DOWN wlan0: Ethernet address: 00:21:5c:50:68:c3 iwn0: iwn_intr: fatal firmware error firmware error log: error type = "NMI_INTERRUPT_WDG" (0x00000004) program counter = 0x0000046C source line = 0x000000D0 error data = 0x0000000202030000 branch link = 0x00005CEE000004C2 interrupt link = 0x000006DE00007386 time = 10259240 driver status: tx ring 0: qid=0 cur=0 queued=0 tx ring 1: qid=1 cur=0 queued=0 tx ring 2: qid=2 cur=0 queued=0 tx ring 3: qid=3 cur=1 queued=0 tx ring 4: qid=4 cur=41 queued=0 tx ring 5: qid=5 cur=0 queued=0 tx ring 6: qid=6 cur=0 queued=0 tx ring 7: qid=7 cur=0 queued=0 tx ring 8: qid=8 cur=0 queued=0 tx ring 9: qid=9 cur=0 queued=0 tx ring 10: qid=10 cur=0 queued=0 tx ring 11: qid=11 cur=0 queued=0 tx ring 12: qid=12 cur=0 queued=0 tx ring 13: qid=13 cur=0 queued=0 tx ring 14: qid=14 cur=0 queued=0 tx ring 15: qid=15 cur=0 queued=0 rx ring: cur=38 in6_purgeaddr: err=65, destination address delete failed wlan0: Ethernet address: 00:21:5c:50:68:c3 iwn0: iwn_intr: fatal firmware error firmware error log: error type = "NMI_INTERRUPT_WDG" (0x00000004) program counter = 0x0000046C source line = 0x000000D0 error data = 0x0000000207030000 branch link = 0x00008370000004C2 interrupt link = 0x000006DA000018B8 time = 200035 driver status: tx ring 0: qid=0 cur=0 queued=0 tx ring 1: qid=1 cur=0 queued=0 tx ring 2: qid=2 cur=0 queued=0 tx ring 3: qid=3 cur=2 queued=1 tx ring 4: qid=4 cur=67 queued=0 tx ring 5: qid=5 cur=0 queued=0 tx ring 6: qid=6 cur=0 queued=0 tx ring 7: qid=7 cur=0 queued=0 tx ring 8: qid=8 cur=0 queued=0 tx ring 9: qid=9 cur=0 queued=0 tx ring 10: qid=10 cur=0 queued=0 tx ring 11: qid=11 cur=0 queued=0 tx ring 12: qid=12 cur=0 queued=0 tx ring 13: qid=13 cur=0 queued=0 tx ring 14: qid=14 cur=0 queued=0 tx ring 15: qid=15 cur=0 queued=0 rx ring: cur=0 in6_purgeaddr: err=65, destination address delete failed wlan0: Ethernet address: 00:21:5c:50:68:c3 wlan0: link state changed to UP wlan0: link state changed to DOWN iwn0: iwn_intr: fatal firmware error firmware error log: error type = "NMI_INTERRUPT_WDG" (0x00000004) program counter = 0x0000046C source line = 0x000000D0 error data = 0x0000000207430000 branch link = 0x00008370000004C2 interrupt link = 0x000006DE000018B8 time = 11958181 driver status: tx ring 0: qid=0 cur=229 queued=0 tx ring 1: qid=1 cur=0 queued=0 tx ring 2: qid=2 cur=0 queued=0 tx ring 3: qid=3 cur=17 queued=1 tx ring 4: qid=4 cur=109 queued=0 tx ring 5: qid=5 cur=0 queued=0 tx ring 6: qid=6 cur=0 queued=0 tx ring 7: qid=7 cur=0 queued=0 tx ring 8: qid=8 cur=0 queued=0 tx ring 9: qid=9 cur=0 queued=0 tx ring 10: qid=10 cur=0 queued=0 tx ring 11: qid=11 cur=0 queued=0 tx ring 12: qid=12 cur=0 queued=0 tx ring 13: qid=13 cur=0 queued=0 tx ring 14: qid=14 cur=0 queued=0 tx ring 15: qid=15 cur=0 queued=0 rx ring: cur=15 in6_purgeaddr: err=65, destination address delete failed wlan0: Ethernet address: 00:21:5c:50:68:c3 wlan0: link state changed to UP iwn0: iwn_intr: fatal firmware error firmware error log: error type = "NMI_INTERRUPT_WDG" (0x00000004) program counter = 0x0000046C source line = 0x000000D0 error data = 0x0000000207030000 branch link = 0x00008370000004C2 interrupt link = 0x000006DE000018B8 time = 1412239977 driver status: tx ring 0: qid=0 cur=41 queued=0 tx ring 1: qid=1 cur=0 queued=0 tx ring 2: qid=2 cur=0 queued=0 tx ring 3: qid=3 cur=15 queued=0 tx ring 4: qid=4 cur=81 queued=0 tx ring 5: qid=5 cur=0 queued=0 tx ring 6: qid=6 cur=0 queued=0 tx ring 7: qid=7 cur=0 queued=0 tx ring 8: qid=8 cur=0 queued=0 tx ring 9: qid=9 cur=0 queued=0 tx ring 10: qid=10 cur=0 queued=0 tx ring 11: qid=11 cur=0 queued=0 tx ring 12: qid=12 cur=0 queued=0 tx ring 13: qid=13 cur=0 queued=0 tx ring 14: qid=14 cur=0 queued=0 tx ring 15: qid=15 cur=0 queued=0 rx ring: cur=53 in6_purgeaddr: err=65, destination address delete failed wlan0: link state changed to DOWN wlan0: Ethernet address: 00:21:5c:50:68:c3 wlan0: link state changed to UP >How-To-Repeat: Build a kernel with device iwn # Intel 4965/1000/5000/6000 wireless NICs. device iwn4965fw Initialise the wlan device: iwn0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 2290 ether 00:21:5c:50:68:c3 nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> media: IEEE 802.11 Wireless Ethernet autoselect mode 11g status: associated wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 ether 00:21:5c:50:68:c3 inet 172.21.222.82 netmask 0xfffffc00 broadcast 255.255.255.255 nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> media: IEEE 802.11 Wireless Ethernet OFDM/36Mbps mode 11g status: associated ssid eduroam channel 1 (2412 MHz 11g) bssid 00:3a:98:62:cd:a0 country US authmode WPA2/802.11i privacy ON deftxkey UNDEF AES-CCM 3:128-bit txpower 14 bmiss 10 scanvalid 450 bgscan bgscanintvl 300 bgscanidle 250 roam:rssi 7 roam:rate 5 protmode CTS wme roaming MANUAL Then use the wireless and see. Maybe it crumbles more under load. Try flipping the radio switch on and off few times. >Fix: This has been discussed briefly in this thread: http://lists.freebsd.org/pipermail/freebsd-mobile/2013-February/012748.html It seems 9.1-release is also affected. >Release-Note: >Audit-Trail: >Unformatted:
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201302131135.r1DBZa2h095199>