Hi, > Interesting. Can you try rtl8xxxu with the newer v28 firmware? > You can download it from here: > https://bugzilla.kernel.org/attachment.cgi?id=304160 I might got better using rtl8xxxu, but I am not sure. ping -I wlan0 -s 1430 10.10.0.1 69 packets transmitted, 35 received, 49.2754% packet loss Here are the packet dumps of a broken and a working packet using v28 firmware: Broken: urb_len 1560 pkt_cnt 136 pkt_len 1504 drvinfo_sz 32 desc_shift 0 00000000: 84c405e0 21f0d700 30880012 0000104d 00000000 4a9c2c2e 000c002f 0000fcbb .......!...0M........,.J/....... 00000020: 0000fc06 3700c800 00000300 00200e00 8400d000 00000000 00244288 561cf170 .......7...... ..........B$.p..V 00000040: eb50c390 142783f6 83f6eb50 01201427 00130007 00002000 aaaa0000 00000003 ..P...'.P...'. ...... .......... 00000060: 00450008 515cb205 01400000 0a0a7704 0a0a0100 00006f00 f6137e0a 4cbf0c00 ..E...\Q..@..w.......o...~.....L 00000080: 91606440 09080008 0d0c0b0a 11100f0e 15141312 19181716 1d1c1b1a 21201f1e @d`........................... ! 000000a0: 25242322 29282726 2d2c2b2a 31302f2e 35343332 39383736 3d3c3b3a 41403f3e "#$%&'()*+,-./0123456789:;<=>?@A 000000c0: 45444342 49484746 4d4c4b4a 51504f4e 55545352 59585756 5d5c5b5a 61605f5e BCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`a 000000e0: 65646362 69686766 6d6c6b6a 71706f6e 75747372 79787776 7d7c7b7a 81807f7e bcdefghijklmnopqrstuvwxyz{|}~... 00000100: 85848382 89888786 8d8c8b8a 91908f8e 95949392 99989796 9d9c9b9a a1a09f9e ................................ 00000120: a5a4a3a2 a9a8a7a6 adacabaa b1b0afae b5b4b3b2 b9b8b7b6 bdbcbbba c1c0bfbe ................................ 00000140: c5c4c3c2 c9c8c7c6 cdcccbca d1d0cfce d5d4d3d2 d9d8d7d6 dddcdbda e1e0dfde ................................ 00000160: e5e4e3e2 e9e8e7e6 edecebea f1f0efee f5f4f3f2 f9f8f7f6 fdfcfbfa 0100fffe ................................ 00000180: 05040302 09080706 0d0c0b0a 11100f0e 15141312 19181716 1d1c1b1a 21201f1e .............................. ! 000001a0: 25242322 29282726 2d2c2b2a 31302f2e 35343332 39383736 3d3c3b3a 41403f3e "#$%&'()*+,-./0123456789:;<=>?@A 000001c0: 45444342 49484746 4d4c4b4a 51504f4e 55545352 59585756 5d5c5b5a 61605f5e BCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`a 000001e0: 65646362 69686766 6d6c6b6a 71706f6e 75747372 79787776 7d7c7b7a 81807f7e bcdefghijklmnopqrstuvwxyz{|}~... 00000200: 85848382 89888786 8d8c8b8a 91908f8e 95949392 99989796 9d9c9b9a a1a09f9e ................................ 00000220: a5a4a3a2 a9a8a7a6 adacabaa b1b0afae b5b4b3b2 b9b8b7b6 bdbcbbba c1c0bfbe ................................ 00000240: c5c4c3c2 c9c8c7c6 cdcccbca d1d0cfce d5d4d3d2 d9d8d7d6 dddcdbda e1e0dfde ................................ 00000260: e5e4e3e2 e9e8e7e6 edecebea f1f0efee f5f4f3f2 f9f8f7f6 fdfcfbfa 0100fffe ................................ 00000280: 05040302 09080706 0d0c0b0a 11100f0e 15141312 19181716 1d1c1b1a 21201f1e .............................. ! 000002a0: 25242322 29282726 2d2c2b2a 31302f2e 35343332 39383736 3d3c3b3a 41403f3e "#$%&'()*+,-./0123456789:;<=>?@A 000002c0: 45444342 49484746 4d4c4b4a 51504f4e 55545352 59585756 5d5c5b5a 61605f5e BCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`a 000002e0: 65646362 69686766 6d6c6b6a 71706f6e 75747372 79787776 7d7c7b7a 81807f7e bcdefghijklmnopqrstuvwxyz{|}~... 00000300: 85848382 89888786 8d8c8b8a 91908f8e 95949392 99989796 9d9c9b9a a1a09f9e ................................ 00000320: a5a4a3a2 a9a8a7a6 adacabaa b1b0afae b5b4b3b2 b9b8b7b6 bdbcbbba c1c0bfbe ................................ 00000340: c5c4c3c2 c9c8c7c6 cdcccbca d1d0cfce d5d4d3d2 d9d8d7d6 dddcdbda e1e0dfde ................................ 00000360: e5e4e3e2 e9e8e7e6 edecebea f1f0efee f5f4f3f2 f9f8f7f6 fdfcfbfa 0100fffe ................................ 00000380: 05040302 09080706 0d0c0b0a 11100f0e 15141312 19181716 1d1c1b1a 21201f1e .............................. ! 000003a0: 25242322 29282726 2d2c2b2a 31302f2e 35343332 39383736 3d3c3b3a 41403f3e "#$%&'()*+,-./0123456789:;<=>?@A 000003c0: 45444342 49484746 4d4c4b4a 51504f4e 55545352 59585756 5d5c5b5a 61605f5e BCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`a 000003e0: 65646362 69686766 6d6c6b6a 71706f6e 75747372 79787776 7d7c7b7a 81807f7e bcdefghijklmnopqrstuvwxyz{|}~... 00000400: 85848382 89888786 8d8c8b8a 91908f8e 95949392 99989796 9d9c9b9a a1a09f9e ................................ 00000420: a5a4a3a2 a9a8a7a6 adacabaa b1b0afae b5b4b3b2 b9b8b7b6 bdbcbbba c1c0bfbe ................................ 00000440: c5c4c3c2 c9c8c7c6 cdcccbca d1d0cfce d5d4d3d2 d9d8d7d6 dddcdbda e1e0dfde ................................ 00000460: e5e4e3e2 e9e8e7e6 edecebea f1f0efee f5f4f3f2 f9f8f7f6 fdfcfbfa 0100fffe ................................ 00000480: 05040302 09080706 0d0c0b0a 11100f0e 15141312 19181716 1d1c1b1a 21201f1e .............................. ! 000004a0: 25242322 29282726 2d2c2b2a 31302f2e 35343332 39383736 3d3c3b3a 41403f3e "#$%&'()*+,-./0123456789:;<=>?@A 000004c0: 45444342 49484746 4d4c4b4a 51504f4e 55545352 59585756 5d5c5b5a 61605f5e BCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`a 000004e0: 65646362 69686766 6d6c6b6a 71706f6e 75747372 79787776 7d7c7b7a 81807f7e bcdefghijklmnopqrstuvwxyz{|}~... 00000500: 85848382 89888786 8d8c8b8a 91908f8e 95949392 99989796 9d9c9b9a a1a09f9e ................................ 00000520: a5a4a3a2 a9a8a7a6 adacabaa b1b0afae b5b4b3b2 b9b8b7b6 bdbcbbba c1c0bfbe ................................ 00000540: c5c4c3c2 c9c8c7c6 cdcccbca d1d0cfce d5d4d3d2 d9d8d7d6 dddcdbda e1e0dfde ................................ 00000560: e5e4e3e2 e9e8e7e6 edecebea f1f0efee f5f4f3f2 f9f8f7f6 fdfcfbfa 0100fffe ................................ 00000580: 05040302 09080706 0d0c0b0a 11100f0e 15141312 19181716 1d1c1b1a 21201f1e .............................. ! 000005a0: 25242322 29282726 2d2c2b2a 31302f2e 35343332 39383736 3d3c3b3a 41403f3e "#$%&'()*+,-./0123456789:;<=>?@A 000005c0: 45444342 49484746 4d4c4b4a 51504f4e 55545352 59585756 5d5c5b5a 61605f5e BCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`a 000005e0: 65646362 69686766 6d6c6b6a 71706f6e 75747372 79787776 7d7c7b7a 81807f7e bcdefghijklmnopqrstuvwxyz{|}~... 00000600: 85848382 89888786 8d8c8b8a 91908f8e 95949392 5bbb8367 ....................g..[ Working: urb_len 1564 pkt_cnt 136 pkt_len 1508 drvinfo_sz 32 desc_shift 0 00000000: 84c405e4 21f01700 3088001f 00001004 00000000 4cd774a4 000c002f 0000fdbc .......!...0.........t.L/....... 00000020: 0000fc06 4200c400 00000300 00210c00 8400d000 00000000 00244288 561cf170 .......B......!..........B$.p..V 00000040: eb50c390 142783f6 83f6eb50 01f01427 00200007 00002000 aaaa0000 00000003 ..P...'.P...'..... .. .......... 00000060: 00450008 8a61b205 01400000 0a0a3dff 0a0a0100 00006f00 661d9b70 4ce50b00 ..E...a...@..=.......o..p..f...L 00000080: 04d36440 09080000 0d0c0b0a 11100f0e 15141312 19181716 1d1c1b1a 21201f1e @d............................ ! 000000a0: 25242322 29282726 2d2c2b2a 31302f2e 35343332 39383736 3d3c3b3a 41403f3e "#$%&'()*+,-./0123456789:;<=>?@A 000000c0: 45444342 49484746 4d4c4b4a 51504f4e 55545352 59585756 5d5c5b5a 61605f5e BCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`a 000000e0: 65646362 69686766 6d6c6b6a 71706f6e 75747372 79787776 7d7c7b7a 81807f7e bcdefghijklmnopqrstuvwxyz{|}~... 00000100: 85848382 89888786 8d8c8b8a 91908f8e 95949392 99989796 9d9c9b9a a1a09f9e ................................ 00000120: a5a4a3a2 a9a8a7a6 adacabaa b1b0afae b5b4b3b2 b9b8b7b6 bdbcbbba c1c0bfbe ................................ 00000140: c5c4c3c2 c9c8c7c6 cdcccbca d1d0cfce d5d4d3d2 d9d8d7d6 dddcdbda e1e0dfde ................................ 00000160: e5e4e3e2 e9e8e7e6 edecebea f1f0efee f5f4f3f2 f9f8f7f6 fdfcfbfa 0100fffe ................................ 00000180: 05040302 09080706 0d0c0b0a 11100f0e 15141312 19181716 1d1c1b1a 21201f1e .............................. ! 000001a0: 25242322 29282726 2d2c2b2a 31302f2e 35343332 39383736 3d3c3b3a 41403f3e "#$%&'()*+,-./0123456789:;<=>?@A 000001c0: 45444342 49484746 4d4c4b4a 51504f4e 55545352 59585756 5d5c5b5a 61605f5e BCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`a 000001e0: 65646362 69686766 6d6c6b6a 71706f6e 75747372 79787776 7d7c7b7a 81807f7e bcdefghijklmnopqrstuvwxyz{|}~... 00000200: 85848382 89888786 8d8c8b8a 91908f8e 95949392 99989796 9d9c9b9a a1a09f9e ................................ 00000220: a5a4a3a2 a9a8a7a6 adacabaa b1b0afae b5b4b3b2 b9b8b7b6 bdbcbbba c1c0bfbe ................................ 00000240: c5c4c3c2 c9c8c7c6 cdcccbca d1d0cfce d5d4d3d2 d9d8d7d6 dddcdbda e1e0dfde ................................ 00000260: e5e4e3e2 e9e8e7e6 edecebea f1f0efee f5f4f3f2 f9f8f7f6 fdfcfbfa 0100fffe ................................ 00000280: 05040302 09080706 0d0c0b0a 11100f0e 15141312 19181716 1d1c1b1a 21201f1e .............................. ! 000002a0: 25242322 29282726 2d2c2b2a 31302f2e 35343332 39383736 3d3c3b3a 41403f3e "#$%&'()*+,-./0123456789:;<=>?@A 000002c0: 45444342 49484746 4d4c4b4a 51504f4e 55545352 59585756 5d5c5b5a 61605f5e BCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`a 000002e0: 65646362 69686766 6d6c6b6a 71706f6e 75747372 79787776 7d7c7b7a 81807f7e bcdefghijklmnopqrstuvwxyz{|}~... 00000300: 85848382 89888786 8d8c8b8a 91908f8e 95949392 99989796 9d9c9b9a a1a09f9e ................................ 00000320: a5a4a3a2 a9a8a7a6 adacabaa b1b0afae b5b4b3b2 b9b8b7b6 bdbcbbba c1c0bfbe ................................ 00000340: c5c4c3c2 c9c8c7c6 cdcccbca d1d0cfce d5d4d3d2 d9d8d7d6 dddcdbda e1e0dfde ................................ 00000360: e5e4e3e2 e9e8e7e6 edecebea f1f0efee f5f4f3f2 f9f8f7f6 fdfcfbfa 0100fffe ................................ 00000380: 05040302 09080706 0d0c0b0a 11100f0e 15141312 19181716 1d1c1b1a 21201f1e .............................. ! 000003a0: 25242322 29282726 2d2c2b2a 31302f2e 35343332 39383736 3d3c3b3a 41403f3e "#$%&'()*+,-./0123456789:;<=>?@A 000003c0: 45444342 49484746 4d4c4b4a 51504f4e 55545352 59585756 5d5c5b5a 61605f5e BCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`a 000003e0: 65646362 69686766 6d6c6b6a 71706f6e 75747372 79787776 7d7c7b7a 81807f7e bcdefghijklmnopqrstuvwxyz{|}~... 00000400: 85848382 89888786 8d8c8b8a 91908f8e 95949392 99989796 9d9c9b9a a1a09f9e ................................ 00000420: a5a4a3a2 a9a8a7a6 adacabaa b1b0afae b5b4b3b2 b9b8b7b6 bdbcbbba c1c0bfbe ................................ 00000440: c5c4c3c2 c9c8c7c6 cdcccbca d1d0cfce d5d4d3d2 d9d8d7d6 dddcdbda e1e0dfde ................................ 00000460: e5e4e3e2 e9e8e7e6 edecebea f1f0efee f5f4f3f2 f9f8f7f6 fdfcfbfa 0100fffe ................................ 00000480: 05040302 09080706 0d0c0b0a 11100f0e 15141312 19181716 1d1c1b1a 21201f1e .............................. ! 000004a0: 25242322 29282726 2d2c2b2a 31302f2e 35343332 39383736 3d3c3b3a 41403f3e "#$%&'()*+,-./0123456789:;<=>?@A 000004c0: 45444342 49484746 4d4c4b4a 51504f4e 55545352 59585756 5d5c5b5a 61605f5e BCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`a 000004e0: 65646362 69686766 6d6c6b6a 71706f6e 75747372 79787776 7d7c7b7a 81807f7e bcdefghijklmnopqrstuvwxyz{|}~... 00000500: 85848382 89888786 8d8c8b8a 91908f8e 95949392 99989796 9d9c9b9a a1a09f9e ................................ 00000520: a5a4a3a2 a9a8a7a6 adacabaa b1b0afae b5b4b3b2 b9b8b7b6 bdbcbbba c1c0bfbe ................................ 00000540: c5c4c3c2 c9c8c7c6 cdcccbca d1d0cfce d5d4d3d2 d9d8d7d6 dddcdbda e1e0dfde ................................ 00000560: e5e4e3e2 e9e8e7e6 edecebea f1f0efee f5f4f3f2 f9f8f7f6 fdfcfbfa 0100fffe ................................ 00000580: 05040302 09080706 0d0c0b0a 11100f0e 15141312 19181716 1d1c1b1a 21201f1e .............................. ! 000005a0: 25242322 29282726 2d2c2b2a 31302f2e 35343332 39383736 3d3c3b3a 41403f3e "#$%&'()*+,-./0123456789:;<=>?@A 000005c0: 45444342 49484746 4d4c4b4a 51504f4e 55545352 59585756 5d5c5b5a 61605f5e BCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`a 000005e0: 65646362 69686766 6d6c6b6a 71706f6e 75747372 79787776 7d7c7b7a 81807f7e bcdefghijklmnopqrstuvwxyz{|}~... 00000600: 85848382 89888786 8d8c8b8a 91908f8e 95949392 094523fb 5c8ab2b3 .....................#E....\
