Hi Christian, I'm not the best person to talk about the iwlwifi firmwares (that would be Emmanuel, but he is not available now), but I'll try. On Sat, 2014-08-23 at 00:01 +0200, Christian Lamparter wrote: > Hello, > > I got new hardware. Among the new stuff, there was one > Intel® Dual Band Wireless-AC 3160. When I tried to connect > to one (in fact any) of my networks, I was getting the > following errors: > > [ 1021.092378] iwlwifi 0000:01:00.0: Microcode SW error detected. Restarting 0x82000000. > [...] > [ 1021.093935] iwlwifi 0000:01:00.0: Start IWL Error Log Dump: > [ 1021.093939] iwlwifi 0000:01:00.0: Status: 0x00000000, count: 6 > [ 1021.093942] iwlwifi 0000:01:00.0: Loaded firmware version: 25.223.9.0 > [ 1021.093947] iwlwifi 0000:01:00.0: 0x00000038 | BAD_COMMAND <--- > [ 1021.093951] iwlwifi 0000:01:00.0: 0x00A00220 | uPc Where did you get this firmware version? AFAICT the last version Emmanuel sent to linux-firmware.git is 23.214.9.0 (the one you also mentioned below). > [...] > [ 1021.094192] Call Trace: > [ 1021.094205] [<ffffffff813ce9bd>] ? dump_stack+0x41/0x51 > [ 1021.094217] [<ffffffffa0b9cd8b>] ? iwl_trans_pcie_send_hcmd+0x367/0x438 [iwlwifi] > [ 1021.094226] [<ffffffffa0b9b52c>] ? iwl_pcie_enqueue_hcmd+0x5e3/0x5fe [iwlwifi] > [ 1021.094235] [<ffffffff8105fd4c>] ? finish_wait+0x5d/0x5d > [ 1021.094250] [<ffffffffa0d50106>] ? iwl_mvm_send_cmd+0xd/0x22 [iwlmvm] > [ 1021.094262] [<ffffffffa0d50160>] ? iwl_mvm_send_cmd_pdu+0x45/0x52 [iwlmvm] > [ 1021.094273] [<ffffffffa0d4c5fb>] ? iwl_mvm_configure_bcast_filter.isra.14.part.15+0x36/0x3f [iwlmvm] > > (Full log attached below) > > What cough my eye was the "BAD_COMMAND" in the error log. I disabled > "CONFIG_IWLWIFI_BCAST_FILTERING" option and the 3160 is now working. > > As far as I can tell, there is already a firmware feature flag: > "IWL_UCODE_TLV_FLAGS_BCAST_FILTERING" which can be used to > distinguish whenever the feature is supported or not. But it > seems to be "stuck on" for the 3160. Weird, but it's possible that they set the flag mistakenly for the 3160 firmware. I'll check this with the firmware team. > Regards > Christian > > BTW: I also tried the older "23.214.9.0" firmware too. > => Same result [Doesn't work with BCAST_FILTERING enabled]. Thanks a lot for your report! Broadcast filtering is not set by default, so I haven't seen that bug before. -- Cheers, Luca. -- 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
