I just hit this on Linus' current post 3.10 tree. hardware is 03:00.0 Network controller: Intel Corporation Centrino Ultimate-N 6300 (rev 3e) iwlwifi 0000:03:00.0: fail to flush all tx fifo queues Q 11 iwlwifi 0000:03:00.0: Current SW read_ptr 247 write_ptr 2 iwl data: 00000000: 03 00 00 00 00 00 00 00 00 00 80 ff 00 00 00 03 ................ iwlwifi 0000:03:00.0: FH TRBs(0) = 0x00000000 iwlwifi 0000:03:00.0: FH TRBs(1) = 0xc010b001 iwlwifi 0000:03:00.0: FH TRBs(2) = 0x00000000 iwlwifi 0000:03:00.0: FH TRBs(3) = 0x80300095 iwlwifi 0000:03:00.0: FH TRBs(4) = 0x00000000 iwlwifi 0000:03:00.0: FH TRBs(5) = 0x00000000 iwlwifi 0000:03:00.0: FH TRBs(6) = 0x00000000 iwlwifi 0000:03:00.0: FH TRBs(7) = 0x00704006 iwlwifi 0000:03:00.0: Q 0 is active and mapped to fifo 3 ra_tid 0x0000 [150,150] iwlwifi 0000:03:00.0: Q 1 is active and mapped to fifo 2 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 2 is active and mapped to fifo 1 ra_tid 0x0000 [67,71] iwlwifi 0000:03:00.0: Q 3 is active and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 4 is active and mapped to fifo 7 ra_tid 0x0000 [7,7] iwlwifi 0000:03:00.0: Q 5 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 6 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 7 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 8 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 9 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 10 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 11 is active and mapped to fifo 1 ra_tid 0x0000 [247,2] iwlwifi 0000:03:00.0: Q 12 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 13 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 14 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 15 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 16 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 17 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 18 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 19 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: fail to flush all tx fifo queues Q 2 iwlwifi 0000:03:00.0: Current SW read_ptr 157 write_ptr 161 iwl data: 00000000: 00 00 00 e0 00 00 00 00 01 00 00 00 00 00 00 00 ................ iwlwifi 0000:03:00.0: FH TRBs(0) = 0x00000000 iwlwifi 0000:03:00.0: FH TRBs(1) = 0xc010b0e6 iwlwifi 0000:03:00.0: FH TRBs(2) = 0x00000000 iwlwifi 0000:03:00.0: FH TRBs(3) = 0x80300098 iwlwifi 0000:03:00.0: FH TRBs(4) = 0x00000000 iwlwifi 0000:03:00.0: FH TRBs(5) = 0x00000000 iwlwifi 0000:03:00.0: FH TRBs(6) = 0x00000000 iwlwifi 0000:03:00.0: FH TRBs(7) = 0x0070408e iwlwifi 0000:03:00.0: Q 0 is active and mapped to fifo 3 ra_tid 0x0000 [153,153] iwlwifi 0000:03:00.0: Q 1 is active and mapped to fifo 2 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 2 is active and mapped to fifo 1 ra_tid 0x0000 [157,161] iwlwifi 0000:03:00.0: Q 3 is active and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 4 is active and mapped to fifo 7 ra_tid 0x0000 [143,143] iwlwifi 0000:03:00.0: Q 5 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 6 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 7 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 8 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 9 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 10 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 11 is active and mapped to fifo 1 ra_tid 0x0000 [227,231] iwlwifi 0000:03:00.0: Q 12 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 13 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 14 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 15 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 16 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 17 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 18 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] iwlwifi 0000:03:00.0: Q 19 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] At this point, the chip was hung. Even unloading/reloading the driver, or suspend/resume wouldn't bring it back to life. I had to power off/on to get it to work again. Dave -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
