On Monday, August 25, 2014 11:20:29 PM Emmanuel Grumbach wrote: > > 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. > > Here I am - thanks Luca for stepping in. Hello you both! > > > >> [...] > >> [ 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. > > > [...] > Actually, we do have an internal ticket with this issue - but I don't > know if it was on 3160 or on 7260. Your report explicitly says that > you saw this on 3160, so I am only now connecting between the dots. > I can't check the internal bug since I am on vacation right now. Note > that 3160 is much less common than 7260 - so this kind of stupid bugs > can stay unseen for a fairly long time... I have some 7260s too. As far as I can tell, they both (one is a 7260-N, the other a 7260-AC) support the BCAST_FILTERING feature. [I'll open a bug report @ iwlwifi#Bugzilla - and check out 25.222.9.0 too [0]] Regards Christian [0] <https://git.kernel.org/cgit/linux/kernel/git/egrumbach/linux-firmware.git/commit/?id=13dfdae12b8a8018abed2224db6ad1856817ab05> -- 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
