I had that error again today.
BUG: scheduling while atomic: swapper/0/0x00000100 .... was proceeded by:
Oct 30 08:31:00 michallo-laptop kernel: [16459.078865] wlan0 direct probe responded
Oct 30 08:31:00 michallo-laptop kernel: [16459.078885] wlan0: authenticate with AP 00:1e:e5:3e:79:20
Oct 30 08:31:00 michallo-laptop kernel: [16459.080769] wlan0: authenticated
Oct 30 08:31:00 michallo-laptop kernel: [16459.080778] wlan0: associate with AP 00:1e:e5:3e:79:20
Oct 30 08:31:00 michallo-laptop kernel: [16459.083234] wlan0: RX ReassocResp from 00:1e:e5:3e:79:20 (capab=0x431 status=0 aid=1)
Oct 30 08:31:00 michallo-laptop kernel: [16459.083241] wlan0: associated
Oct 30 08:31:04 michallo-laptop kernel: [16463.075222] wlan0: deauthenticated
Oct 30 08:31:05 michallo-laptop kernel: [16464.072177] wlan0: direct probe to AP 00:1e:e5:3e:79:20 try 1
Oct 30 08:31:05 michallo-laptop kernel: [16464.074849] wlan0 direct probe responded
Oct 30 08:31:05 michallo-laptop kernel: [16464.074865] wlan0: authenticate with AP 00:1e:e5:3e:79:20
Oct 30 08:31:05 michallo-laptop kernel: [16464.076735] wlan0: authenticated
Oct 30 08:31:05 michallo-laptop kernel: [16464.076749] wlan0: associate with AP 00:1e:e5:3e:79:20
Oct 30 08:31:05 michallo-laptop kernel: [16464.079203] wlan0: RX ReassocResp from 00:1e:e5:3e:79:20 (capab=0x431 status=0 aid=1)
Oct 30 08:31:05 michallo-laptop kernel: [16464.079215] wlan0: associated
Oct 30 11:10:11 michallo-laptop kernel: [26009.696222] wlan0: No ProbeResp from current AP 00:1e:e5:3e:79:20 - assume out of range
Oct 30 11:10:25 michallo-laptop kernel: [26024.266423] wlan0: deauthenticated
Oct 30 11:10:25 michallo-laptop kernel: [26024.275783] wlan0: direct probe to AP 00:1e:e5:3e:79:20 try 1
Oct 30 11:10:25 michallo-laptop kernel: [26024.289945] wlan0: direct probe to AP 00:1e:e5:3e:79:20 try 1
Oct 30 11:10:25 michallo-laptop kernel: [26024.292624] wlan0 direct probe responded
Oct 30 11:10:25 michallo-laptop kernel: [26024.292640] wlan0: authenticate with AP 00:1e:e5:3e:79:20
Oct 30 11:10:25 michallo-laptop kernel: [26024.294492] wlan0: authenticated
Oct 30 11:10:25 michallo-laptop kernel: [26024.294501] wlan0: associate with AP 00:1e:e5:3e:79:20
Oct 30 11:10:25 michallo-laptop kernel: [26024.297143] wlan0: RX ReassocResp from 00:1e:e5:3e:79:20 (capab=0x431 status=0 aid=1)
Oct 30 11:10:25 michallo-laptop kernel: [26024.297157] wlan0: associated
Maybe it is related. I also have:
iwlagn: Can not allocate SKB buffers but it was hours before BUG: scheduling while atomic: swapper... appeared.
I use newest packages + linux-backports-modules. I will try now using laptop without linux-backports-modules
I had that error again today. 0/0x00000100 .... was proceeded by:
BUG: scheduling while atomic: swapper/
Oct 30 08:31:00 michallo-laptop kernel: [16459.078865] wlan0 direct probe responded
Oct 30 08:31:00 michallo-laptop kernel: [16459.078885] wlan0: authenticate with AP 00:1e:e5:3e:79:20
Oct 30 08:31:00 michallo-laptop kernel: [16459.080769] wlan0: authenticated
Oct 30 08:31:00 michallo-laptop kernel: [16459.080778] wlan0: associate with AP 00:1e:e5:3e:79:20
Oct 30 08:31:00 michallo-laptop kernel: [16459.083234] wlan0: RX ReassocResp from 00:1e:e5:3e:79:20 (capab=0x431 status=0 aid=1)
Oct 30 08:31:00 michallo-laptop kernel: [16459.083241] wlan0: associated
Oct 30 08:31:04 michallo-laptop kernel: [16463.075222] wlan0: deauthenticated
Oct 30 08:31:05 michallo-laptop kernel: [16464.072177] wlan0: direct probe to AP 00:1e:e5:3e:79:20 try 1
Oct 30 08:31:05 michallo-laptop kernel: [16464.074849] wlan0 direct probe responded
Oct 30 08:31:05 michallo-laptop kernel: [16464.074865] wlan0: authenticate with AP 00:1e:e5:3e:79:20
Oct 30 08:31:05 michallo-laptop kernel: [16464.076735] wlan0: authenticated
Oct 30 08:31:05 michallo-laptop kernel: [16464.076749] wlan0: associate with AP 00:1e:e5:3e:79:20
Oct 30 08:31:05 michallo-laptop kernel: [16464.079203] wlan0: RX ReassocResp from 00:1e:e5:3e:79:20 (capab=0x431 status=0 aid=1)
Oct 30 08:31:05 michallo-laptop kernel: [16464.079215] wlan0: associated
Oct 30 11:10:11 michallo-laptop kernel: [26009.696222] wlan0: No ProbeResp from current AP 00:1e:e5:3e:79:20 - assume out of range
Oct 30 11:10:25 michallo-laptop kernel: [26024.266423] wlan0: deauthenticated
Oct 30 11:10:25 michallo-laptop kernel: [26024.275783] wlan0: direct probe to AP 00:1e:e5:3e:79:20 try 1
Oct 30 11:10:25 michallo-laptop kernel: [26024.289945] wlan0: direct probe to AP 00:1e:e5:3e:79:20 try 1
Oct 30 11:10:25 michallo-laptop kernel: [26024.292624] wlan0 direct probe responded
Oct 30 11:10:25 michallo-laptop kernel: [26024.292640] wlan0: authenticate with AP 00:1e:e5:3e:79:20
Oct 30 11:10:25 michallo-laptop kernel: [26024.294492] wlan0: authenticated
Oct 30 11:10:25 michallo-laptop kernel: [26024.294501] wlan0: associate with AP 00:1e:e5:3e:79:20
Oct 30 11:10:25 michallo-laptop kernel: [26024.297143] wlan0: RX ReassocResp from 00:1e:e5:3e:79:20 (capab=0x431 status=0 aid=1)
Oct 30 11:10:25 michallo-laptop kernel: [26024.297157] wlan0: associated
Maybe it is related. I also have: -modules. I will try now using laptop without linux-backports -modules
iwlagn: Can not allocate SKB buffers but it was hours before BUG: scheduling while atomic: swapper... appeared.
I use newest packages + linux-backports