I tested with the 3.16.1-031601-generic #201408140014 from http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.16.1-utopic/
The kernel booted without any problems. However after a short time in the mentioned network the same error happend again. Following a snip from dmesg [ 158.868825] iwlwifi 0000:01:00.0: fail to flush all tx fifo queues Q 2 [ 158.868842] iwlwifi 0000:01:00.0: Current SW read_ptr 198 write_ptr 144 [ 158.868957] iwl data: 00000000: c0 ff 3f 00 00 00 00 00 00 00 00 00 00 00 00 00 ..?............. [ 158.869016] iwlwifi 0000:01:00.0: FH TRBs(0) = 0x00000000 [ 158.869117] iwlwifi 0000:01:00.0: FH TRBs(1) = 0x801020d5 [ 158.869189] iwlwifi 0000:01:00.0: FH TRBs(2) = 0x00000000 [ 158.869272] iwlwifi 0000:01:00.0: FH TRBs(3) = 0x80300025 [ 158.869332] iwlwifi 0000:01:00.0: FH TRBs(4) = 0x00000000 [ 158.869410] iwlwifi 0000:01:00.0: FH TRBs(5) = 0x00000000 [ 158.869489] iwlwifi 0000:01:00.0: FH TRBs(6) = 0x00000000 [ 158.869547] iwlwifi 0000:01:00.0: FH TRBs(7) = 0x0070905b [ 158.869714] iwlwifi 0000:01:00.0: Q 0 is active and mapped to fifo 3 ra_tid 0x0000 [38,38] [ 158.869873] iwlwifi 0000:01:00.0: Q 1 is active and mapped to fifo 2 ra_tid 0x0000 [0,0] [ 158.870040] iwlwifi 0000:01:00.0: Q 2 is active and mapped to fifo 1 ra_tid 0x0000 [198,144] [ 158.870205] iwlwifi 0000:01:00.0: Q 3 is active and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 158.870366] iwlwifi 0000:01:00.0: Q 4 is active and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 158.870532] iwlwifi 0000:01:00.0: Q 5 is active and mapped to fifo 4 ra_tid 0x0000 [0,0] [ 158.870693] iwlwifi 0000:01:00.0: Q 6 is active and mapped to fifo 2 ra_tid 0x0000 [0,0] [ 158.870859] iwlwifi 0000:01:00.0: Q 7 is active and mapped to fifo 5 ra_tid 0x0000 [0,0] [ 158.871026] iwlwifi 0000:01:00.0: Q 8 is active and mapped to fifo 4 ra_tid 0x0000 [0,0] [ 158.871192] iwlwifi 0000:01:00.0: Q 9 is active and mapped to fifo 7 ra_tid 0x0000 [92,92] [ 158.871358] iwlwifi 0000:01:00.0: Q 10 is active and mapped to fifo 5 ra_tid 0x0000 [0,0] [ 158.871512] iwlwifi 0000:01:00.0: Q 11 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 158.871678] iwlwifi 0000:01:00.0: Q 12 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 158.871838] iwlwifi 0000:01:00.0: Q 13 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 158.872004] iwlwifi 0000:01:00.0: Q 14 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 158.872170] iwlwifi 0000:01:00.0: Q 15 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 158.872336] iwlwifi 0000:01:00.0: Q 16 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 158.872503] iwlwifi 0000:01:00.0: Q 17 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 158.872669] iwlwifi 0000:01:00.0: Q 18 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 158.872866] iwlwifi 0000:01:00.0: Q 19 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 207.918913] iwlwifi 0000:01:00.0: fail to flush all tx fifo queues Q 2 [ 207.918919] iwlwifi 0000:01:00.0: Current SW read_ptr 192 write_ptr 130 [ 207.919005] iwl data: 00000000: ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 207.919053] iwlwifi 0000:01:00.0: FH TRBs(0) = 0x00000000 [ 207.919095] iwlwifi 0000:01:00.0: FH TRBs(1) = 0x801020cf [ 207.919178] iwlwifi 0000:01:00.0: FH TRBs(2) = 0x00000000 [ 207.919212] iwlwifi 0000:01:00.0: FH TRBs(3) = 0x80300054 [ 207.919268] iwlwifi 0000:01:00.0: FH TRBs(4) = 0x00000000 [ 207.919354] iwlwifi 0000:01:00.0: FH TRBs(5) = 0x00000000 [ 207.919410] iwlwifi 0000:01:00.0: FH TRBs(6) = 0x00000000 [ 207.919495] iwlwifi 0000:01:00.0: FH TRBs(7) = 0x007090c9 [ 207.919725] iwlwifi 0000:01:00.0: Q 0 is active and mapped to fifo 3 ra_tid 0x0000 [85,85] [ 207.919925] iwlwifi 0000:01:00.0: Q 1 is active and mapped to fifo 2 ra_tid 0x0000 [0,0] [ 207.920095] iwlwifi 0000:01:00.0: Q 2 is active and mapped to fifo 1 ra_tid 0x0000 [192,130] [ 207.920265] iwlwifi 0000:01:00.0: Q 3 is active and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 207.920434] iwlwifi 0000:01:00.0: Q 4 is active and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 207.920604] iwlwifi 0000:01:00.0: Q 5 is active and mapped to fifo 4 ra_tid 0x0000 [0,0] [ 207.920766] iwlwifi 0000:01:00.0: Q 6 is active and mapped to fifo 2 ra_tid 0x0000 [0,0] [ 207.920958] iwlwifi 0000:01:00.0: Q 7 is active and mapped to fifo 5 ra_tid 0x0000 [0,0] [ 207.921125] iwlwifi 0000:01:00.0: Q 8 is active and mapped to fifo 4 ra_tid 0x0000 [0,0] [ 207.921292] iwlwifi 0000:01:00.0: Q 9 is active and mapped to fifo 7 ra_tid 0x0000 [202,202] [ 207.921459] iwlwifi 0000:01:00.0: Q 10 is active and mapped to fifo 5 ra_tid 0x0000 [0,0] [ 207.921633] iwlwifi 0000:01:00.0: Q 11 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 207.921795] iwlwifi 0000:01:00.0: Q 12 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 207.921989] iwlwifi 0000:01:00.0: Q 13 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 207.922159] iwlwifi 0000:01:00.0: Q 14 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 207.922329] iwlwifi 0000:01:00.0: Q 15 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 207.922498] iwlwifi 0000:01:00.0: Q 16 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 207.922662] iwlwifi 0000:01:00.0: Q 17 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 207.922881] iwlwifi 0000:01:00.0: Q 18 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 207.923076] iwlwifi 0000:01:00.0: Q 19 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 210.152333] wlan0: deauthenticating from 08:81:f4:55:b5:06 by local choice (Reason: 3=DEAUTH_LEAVING) [ 212.158751] iwlwifi 0000:01:00.0: fail to flush all tx fifo queues Q 2 [ 212.158757] iwlwifi 0000:01:00.0: Current SW read_ptr 10 write_ptr 168 [ 212.158841] iwl data: 00000000: 00 fc ff 03 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 212.158889] iwlwifi 0000:01:00.0: FH TRBs(0) = 0x00000000 [ 212.158943] iwlwifi 0000:01:00.0: FH TRBs(1) = 0x80102019 [ 212.158991] iwlwifi 0000:01:00.0: FH TRBs(2) = 0x00000000 [ 212.159045] iwlwifi 0000:01:00.0: FH TRBs(3) = 0x80300056 [ 212.159100] iwlwifi 0000:01:00.0: FH TRBs(4) = 0x00000000 [ 212.159154] iwlwifi 0000:01:00.0: FH TRBs(5) = 0x00000000 [ 212.159209] iwlwifi 0000:01:00.0: FH TRBs(6) = 0x00000000 [ 212.159263] iwlwifi 0000:01:00.0: FH TRBs(7) = 0x007090cf [ 212.159462] iwlwifi 0000:01:00.0: Q 0 is active and mapped to fifo 3 ra_tid 0x0000 [87,87] [ 212.159628] iwlwifi 0000:01:00.0: Q 1 is active and mapped to fifo 2 ra_tid 0x0000 [0,0] [ 212.159790] iwlwifi 0000:01:00.0: Q 2 is active and mapped to fifo 1 ra_tid 0x0000 [10,168] [ 212.159952] iwlwifi 0000:01:00.0: Q 3 is active and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 212.160106] iwlwifi 0000:01:00.0: Q 4 is active and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 212.160273] iwlwifi 0000:01:00.0: Q 5 is active and mapped to fifo 4 ra_tid 0x0000 [0,0] [ 212.160432] iwlwifi 0000:01:00.0: Q 6 is active and mapped to fifo 2 ra_tid 0x0000 [0,0] [ 212.160630] iwlwifi 0000:01:00.0: Q 7 is active and mapped to fifo 5 ra_tid 0x0000 [0,0] [ 212.160797] iwlwifi 0000:01:00.0: Q 8 is active and mapped to fifo 4 ra_tid 0x0000 [0,0] [ 212.160964] iwlwifi 0000:01:00.0: Q 9 is active and mapped to fifo 7 ra_tid 0x0000 [208,208] [ 212.161131] iwlwifi 0000:01:00.0: Q 10 is active and mapped to fifo 5 ra_tid 0x0000 [0,0] [ 212.161298] iwlwifi 0000:01:00.0: Q 11 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 212.161492] iwlwifi 0000:01:00.0: Q 12 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 212.161658] iwlwifi 0000:01:00.0: Q 13 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 212.161824] iwlwifi 0000:01:00.0: Q 14 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 212.161991] iwlwifi 0000:01:00.0: Q 15 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 212.162157] iwlwifi 0000:01:00.0: Q 16 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 212.162318] iwlwifi 0000:01:00.0: Q 17 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 212.162479] iwlwifi 0000:01:00.0: Q 18 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 212.162632] iwlwifi 0000:01:00.0: Q 19 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 214.170614] iwlwifi 0000:01:00.0: fail to flush all tx fifo queues Q 2 [ 214.170620] iwlwifi 0000:01:00.0: Current SW read_ptr 58 write_ptr 169 [ 214.170702] iwl data: 00000000: ff 03 00 00 00 00 00 00 00 00 00 fc 00 00 00 00 ................ [ 214.170758] iwlwifi 0000:01:00.0: FH TRBs(0) = 0x00000000 [ 214.170813] iwlwifi 0000:01:00.0: FH TRBs(1) = 0x80102049 [ 214.170869] iwlwifi 0000:01:00.0: FH TRBs(2) = 0x00000000 [ 214.170924] iwlwifi 0000:01:00.0: FH TRBs(3) = 0x80300057 [ 214.170979] iwlwifi 0000:01:00.0: FH TRBs(4) = 0x00000000 [ 214.171033] iwlwifi 0000:01:00.0: FH TRBs(5) = 0x00000000 [ 214.171088] iwlwifi 0000:01:00.0: FH TRBs(6) = 0x00000000 [ 214.171143] iwlwifi 0000:01:00.0: FH TRBs(7) = 0x007090cf [ 214.171313] iwlwifi 0000:01:00.0: Q 0 is active and mapped to fifo 3 ra_tid 0x0000 [88,88] [ 214.171484] iwlwifi 0000:01:00.0: Q 1 is active and mapped to fifo 2 ra_tid 0x0000 [0,0] [ 214.171653] iwlwifi 0000:01:00.0: Q 2 is active and mapped to fifo 1 ra_tid 0x0000 [58,169] [ 214.171821] iwlwifi 0000:01:00.0: Q 3 is active and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 214.171990] iwlwifi 0000:01:00.0: Q 4 is active and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 214.172160] iwlwifi 0000:01:00.0: Q 5 is active and mapped to fifo 4 ra_tid 0x0000 [0,0] [ 214.172328] iwlwifi 0000:01:00.0: Q 6 is active and mapped to fifo 2 ra_tid 0x0000 [0,0] [ 214.172497] iwlwifi 0000:01:00.0: Q 7 is active and mapped to fifo 5 ra_tid 0x0000 [0,0] [ 214.172666] iwlwifi 0000:01:00.0: Q 8 is active and mapped to fifo 4 ra_tid 0x0000 [0,0] [ 214.172829] iwlwifi 0000:01:00.0: Q 9 is active and mapped to fifo 7 ra_tid 0x0000 [208,208] [ 214.172993] iwlwifi 0000:01:00.0: Q 10 is active and mapped to fifo 5 ra_tid 0x0000 [0,0] [ 214.173156] iwlwifi 0000:01:00.0: Q 11 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 214.173325] iwlwifi 0000:01:00.0: Q 12 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 214.173494] iwlwifi 0000:01:00.0: Q 13 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 214.173663] iwlwifi 0000:01:00.0: Q 14 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 214.173832] iwlwifi 0000:01:00.0: Q 15 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 214.173995] iwlwifi 0000:01:00.0: Q 16 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 214.174148] iwlwifi 0000:01:00.0: Q 17 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 214.174310] iwlwifi 0000:01:00.0: Q 18 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] [ 214.174473] iwlwifi 0000:01:00.0: Q 19 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1356236 Title: [Samsung NP900X3C-A05DE] iwlwifi 0000:01:00.0: fail to flush all tx fifo queues Q 2 with Centrino Advanced-N 6235 wireless card To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1356236/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs