2018-06-22 16:48 GMT+02:00 Stanislaw Gruszka <sgruszka@xxxxxxxxxx>: > Hi > > On Fri, Jun 22, 2018 at 10:37:35AM +0200, Janusz Dziedzic wrote: >> Have this card in my laptop: >> 02:00.0 Network controller: MEDIATEK Corp. Device 7612 >> >> [ 8.478104] mt76x2e 0000:02:00.0: ASIC revision: 76120044 >> [ 8.489582] mt76x2e 0000:02:00.0: ROM patch already applied >> [ 8.833476] mt76x2e 0000:02:00.0: Firmware Version: 0.0.00 >> [ 8.833477] mt76x2e 0000:02:00.0: Build: 1 >> [ 8.833479] mt76x2e 0000:02:00.0: Build Time: 201507311614____ >> [ 8.856115] mt76x2e 0000:02:00.0: Firmware running! >> [ 9.558075] mt76x2e 0000:02:00.0 wlp2s0: renamed from wlan1 > > I'm just curious. Does the card was installed in the laptop by default? > If so what is the model of the laptop? > No, I just buy this card on aliexpress and put into some dell (MTK MT7612 2x2 half miniPCIE). >> Linux test4 4.17.0-rc7+ #5 SMP Mon May 28 12:35:22 CEST 2018 x86_64 GNU/Linux >> >> Seems iw scan works correctly and first assoc. After will run some >> traffic (iperf in such case) get: >> >> [ 432.372081] wlp2s0: associate with 52:b4:f7:f0:16:c2 (try 2/3) >> [ 432.375255] wlp2s0: RX AssocResp from 52:b4:f7:f0:16:c2 >> (capab=0x511 status=0 aid=2) >> [ 432.375336] wlp2s0: associated >> [ 432.451097] IPv6: ADDRCONF(NETDEV_CHANGE): wlp2s0: link becomes ready >> [ 522.562157] mt76x2e 0000:02:00.0: MCU message 31 (seq 13) timed out >> [ 524.610281] mt76x2e 0000:02:00.0: MCU message 31 (seq 14) timed out >> [ 526.658384] mt76x2e 0000:02:00.0: MCU message 31 (seq 15) timed out >> [ 528.258455] mt76x2e 0000:02:00.0: MCU message 30 (seq 1) timed out >> [ 529.282499] mt76x2e 0000:02:00.0: MCU message 30 (seq 2) timed out >> [ 530.402544] mt76x2e 0000:02:00.0: MCU message 30 (seq 3) timed out >> [ 531.426587] mt76x2e 0000:02:00.0: MCU message 30 (seq 4) timed out >> [ 531.427444] wlp2s0: authenticate with 52:b4:f7:f0:14:ac >> [ 532.450624] mt76x2e 0000:02:00.0: MCU message 30 (seq 5) timed out >> [ 533.474666] mt76x2e 0000:02:00.0: MCU message 30 (seq 6) timed out >> [ 534.498709] mt76x2e 0000:02:00.0: MCU message 30 (seq 7) timed out >> [ 535.522736] mt76x2e 0000:02:00.0: MCU message 30 (seq 8) timed out >> [ 535.522807] wlp2s0: send auth to 52:b4:f7:f0:14:ac (try 1/3) >> [ 535.726740] wlp2s0: send auth to 52:b4:f7:f0:14:ac (try 2/3) >> [ 535.930742] wlp2s0: send auth to 52:b4:f7:f0:14:ac (try 3/3) >> [ 536.134747] wlp2s0: authentication with 52:b4:f7:f0:14:ac timed out > > I observed quite similar issue on some rt2800 devices when > I applied this patch: > https://github.com/sgruszka/wireless-drivers-next/commit/846d205edd8c36d1b7828fee54bf4cf40bf8cb1a > It works on some devices and does not work on others with similar > symptoms - correctly associate but stop to work as soon as some > data traffic is performed. > > So, I would check if send IEEE80211_TX_CTL_RATE_CTRL_PROBE frames > with qsel = MT_QSEL_EDCA would help. > Thanks, will check this. > Another thing to try is checkout vendor driver and see if there is need > to add extra code if device is_mt7612() . > > Regards > Stanislaw -- Janusz Dziedzic
