Olivier Cochard-Labbé
2010-Apr-18 01:49 UTC
iwn firmware instability with an up-to-date stable kernel
Hi,
I meet instability with an up-to-date stable 8 kernel and iwn drivers:
About twice a day, my wireless connection hang and I've this error
message in dmesg:
firmware error log:
error type = "NMI_INTERRUPT_WDG" (0x00000004)
program counter = 0x0000046C
source line = 0x000000D0
error data = 0x0000000207030000
branch link = 0x000050F2000004C2
interrupt link = 0x000006DE000018B8
time = 2103860338
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=2 queued=0
tx ring 4: qid=4 cur=234 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=52
Does anyone meet the same problem ?
More information about my kernel and device (Dell Latitude D630):
uname -a
FreeBSD d630.bsdrp.net 8.0-STABLE FreeBSD 8.0-STABLE #66: Tue Apr 13
02:16:26 CEST 2010
root@d630.bsdrp.net:/usr/obj/usr/src/sys/DellD630 amd64
dmesg
iwn0: <Intel(R) PRO/Wireless 4965BGN> mem 0xf6cfe000-0xf6cfffff irq 17
at device 0.0 on pci12
iwn0: MIMO 2T3R, MoW2, address 00:1d:e0:72:10:01
iwn0: [ITHREAD]
iwn0: 11a rates: 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
iwn0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
iwn0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps
24Mbps 36Mbps 48Mbps 54Mbps
pciconf
iwn0@pci0:12:0:0: class=0x028000 card=0x11218086 chip=0x42298086
rev=0x61 hdr=0x00
vendor = 'Intel Corporation'
device = 'Intel Wireless WiFi Link 4965AGN(supporting
802.11a/b/g/Draft-N) (Intel 4965AGN)'
class = network
Thanks,
Olivier
Bernhard Schmidt
2010-Apr-18 08:14 UTC
iwn firmware instability with an up-to-date stable kernel
On Sun, Apr 18, 2010 at 03:49:14AM +0200, Olivier Cochard-Labb? wrote:> Hi, > > I meet instability with an up-to-date stable 8 kernel and iwn drivers: > About twice a day, my wireless connection hang and I've this error > message in dmesg: > > firmware error log: > error type = "NMI_INTERRUPT_WDG" (0x00000004) > program counter = 0x0000046C > source line = 0x000000D0 >[..] > > Does anyone meet the same problem ?I've seen this error a few times, even Intel knows about it: http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=1965 Issue is that there is no known workaround. Are you able to reproduce this on demand? As in type a few commands and the firmware error occurs? -- Bernhard