On Fri, Feb 05, 2016 at 01:23:18AM -0500, Michael McConville wrote: > When forcing my laptop to swap, I almost immediately got the following > firmware error. I'm not sure whether this is expected. Restarting the > interface brought things back to normal. > > dmesg follows.
Looks like the firmware crashed because an interrupt could not be serviced by the host on time, perhaps? Low-memory situations are evil. Interesting problem, but I don't think I'll find time to look into this. > Feb 5 01:19:04 thinkpad /bsd: iwn0: fatal firmware error > Feb 5 01:19:04 thinkpad /bsd: firmware error log: > Feb 5 01:19:04 thinkpad /bsd: error type = "NMI_INTERRUPT_WDG" > (0x00000004) > Feb 5 01:19:04 thinkpad /bsd: program counter = 0x000006B4 > Feb 5 01:19:04 thinkpad /bsd: source line = 0x0000D3EA > Feb 5 01:19:04 thinkpad /bsd: error data = 0x0000000202630000 > Feb 5 01:19:04 thinkpad /bsd: branch link = 0x0000067A0000071A > Feb 5 01:19:04 thinkpad /bsd: interrupt link = 0x000015320000E762 > Feb 5 01:19:04 thinkpad /bsd: time = 1346051188 > Feb 5 01:19:04 thinkpad /bsd: driver status: > Feb 5 01:19:04 thinkpad /bsd: tx ring 0: qid=0 cur=188 queued=135 > Feb 5 01:19:04 thinkpad /bsd: tx ring 1: qid=1 cur=0 queued=0 > Feb 5 01:19:04 thinkpad /bsd: tx ring 2: qid=2 cur=0 queued=0 > Feb 5 01:19:04 thinkpad /bsd: tx ring 3: qid=3 cur=0 queued=0 > Feb 5 01:19:04 thinkpad /bsd: tx ring 4: qid=4 cur=135 queued=0 > Feb 5 01:19:04 thinkpad /bsd: tx ring 5: qid=5 cur=0 queued=0 > Feb 5 01:19:04 thinkpad /bsd: tx ring 6: qid=6 cur=0 queued=0 > Feb 5 01:19:04 thinkpad /bsd: tx ring 7: qid=7 cur=0 queued=0 > Feb 5 01:19:04 thinkpad /bsd: tx ring 8: qid=8 cur=0 queued=0 > Feb 5 01:19:04 thinkpad /bsd: tx ring 9: qid=9 cur=0 queued=0 > Feb 5 01:19:04 thinkpad /bsd: tx ring 10: qid=10 cur=0 queued=0 > Feb 5 01:19:04 thinkpad /bsd: tx ring 11: qid=11 cur=0 queued=0 > Feb 5 01:19:04 thinkpad /bsd: tx ring 12: qid=12 cur=0 queued=0 > Feb 5 01:19:04 thinkpad /bsd: tx ring 13: qid=13 cur=0 queued=0 > Feb 5 01:19:04 thinkpad /bsd: tx ring 14: qid=14 cur=0 queued=0 > Feb 5 01:19:04 thinkpad /bsd: tx ring 15: qid=15 cur=0 queued=0 > Feb 5 01:19:04 thinkpad /bsd: tx ring 16: qid=16 cur=0 queued=0 > Feb 5 01:19:05 thinkpad /bsd: tx ring 17: qid=17 cur=0 queued=0 > Feb 5 01:19:06 thinkpad /bsd: tx ring 18: qid=18 cur=0 queued=0 > Feb 5 01:19:06 thinkpad /bsd: tx ring 19: qid=19 cur=0 queued=0 > Feb 5 01:19:06 thinkpad /bsd: rx ring: cur=47 > Feb 5 01:19:06 thinkpad /bsd: 802.11 state 4
