Return-path: Received: from mail-io0-f195.google.com ([209.85.223.195]:40846 "EHLO mail-io0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756125AbdLOVId (ORCPT ); Fri, 15 Dec 2017 16:08:33 -0500 Received: by mail-io0-f195.google.com with SMTP id v186so3994418iod.7 for ; Fri, 15 Dec 2017 13:08:33 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <07a73398-fbc8-7c84-9512-edff9cbc5e89@lwfinger.net> References: <07a73398-fbc8-7c84-9512-edff9cbc5e89@lwfinger.net> From: James Hemsing Date: Fri, 15 Dec 2017 16:08:32 -0500 Message-ID: (sfid-20171215_220847_772528_83F6BA32) Subject: Re: rtl8723bu support on Complex 11t To: Larry Finger Cc: linux-wireless@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-wireless-owner@vger.kernel.org List-ID: Ha! I didn't realize those were two separate drivers. Blacklisting rtl8xxxu made it work consistently. The throughput is still about 1/2 what it is in Windows 10, but at least it works! Thanks. On Mon, Dec 11, 2017 at 9:21 PM, Larry Finger wrote: > On 12/11/2017 06:59 PM, James Hemsing wrote: >> >> Hello, >> >> I have a Complex 11t tablet with this wireless card on USB. The kernel >> driver supports it, but even at its best, it doesn't work at full >> speed and frequently loses connections, whereas Windows 10 doesn't >> have any problems. I'd be happy to test and debug code, and provide >> whatever help I can to improve the driver for this device. Here is >> some system information. The kernel I'm currently using is version >> 4.13.0 on Ubuntu 17.10. >> >> Thanks, >> James >> >> [ 4.031513] Bluetooth: hci0: rtl: examining hci_ver=06 hci_rev=000b >> lmp_ver=06 lmp_subver=8723 >> [ 4.031515] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723b_config.bin >> [ 4.032132] bluetooth hci0: Direct firmware load for >> rtl_bt/rtl8723b_config.bin failed with error -2 >> [ 4.032136] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723b_fw.bin >> [ 4.160515] usb 1-6: rtl8723bu_parse_efuse: dumping efuse (0x200 >> bytes): >> [ 4.160667] usb 1-6: RTL8723BU rev E (SMIC) 1T1R, TX queues 3, >> WiFi=1, BT=1, GPS=0, HI PA=0 >> [ 4.160670] usb 1-6: RTL8723BU MAC: 7c:c7:09:69:b6:3a >> [ 4.160674] usb 1-6: rtl8xxxu: Loading firmware >> rtlwifi/rtl8723bu_nic.bin >> [ 5.038493] 8723bu: loading out-of-tree module taints kernel. >> [ 5.039092] 8723bu: module verification failed: signature and/or >> required key missing - tainting kernel > > > Why are you loading BOTH rtl8xxxu and 8723bu? The conflict between them will > cause all kinds of problems. > > Larry > >