Date: Sun, 28 Jul 2013 11:34:07 +0800 From: XiaoQI Ge <ghw@7axu.com> To: Adrian Chadd <adrian@freebsd.org> Cc: freebsd-arm <freebsd-arm@freebsd.org>, freebsd-wireless@freebsd.org Subject: Re: My WLI-UC-GNM up crash Message-ID: <CAKrd9eV4-KNwgZGsRq1JRY31V8Dvmt2RLHSn4TKgbHTUxOJFfA@mail.gmail.com> In-Reply-To: <CAJ-VmonJcSVs%2Bt0jziUyeH1JMztWchObQmb3NrJ0frVq62nhDg@mail.gmail.com> References: <cakrd9exvuqeqz=3ntmh7k3e4_6fjw9jph_tpfchujhqhwwbzsg@mail.gmail.com> <1374573600-2351360719.d37ada5f86@bliksem.vehosting.nl> <CAKrd9eXHXmM5_ai0=kV4Sd8U3Fej8FkKp7XXcbppxeBVDHB3Pg@mail.gmail.com> <201307231220.52817.Daan@vitsch.nl> <CAKrd9eXPB2-cAySVSGm-BJHPU9L65fm6rynMpCnNQ-M_B9zMMw@mail.gmail.com> <CAKrd9eWsfgd9EZytBOrxBYyeTaNjPhFO6O5qv-K4ODf9bSDvVw@mail.gmail.com> <CAKrd9eXJH6VQPBTLCayat47Dch8BWmhz3gzYtcSv-6unHb8QMQ@mail.gmail.com> <CAKrd9eW-HUqUTRkaeeC0jaeRjrgRmVhXVfiG0b_0tvgXLuTteg@mail.gmail.com> <CAJ-VmonJcSVs%2Bt0jziUyeH1JMztWchObQmb3NrJ0frVq62nhDg@mail.gmail.com>
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That should be how to solve it? -- Regards. By: XiaoQI Ge; PGP:8B09D5F7 WWW: https://www.7axu.com/ 2013/7/27 Adrian Chadd <adrian@freebsd.org>: > This is known; there's some alignment issue with the radiotap TX/RX > structures in some of these USB devices. > > > > -adrain > > On 25 July 2013 20:23, XiaoQI Ge <ghw@7axu.com> wrote: >> 我更新到最新的源码（r253662），这次错误信息变成了0xde9f4d34 >> >> [root@FreeBSD.ttyu0] ~ # Fatal kernel mode data abort: 'Alignment Fault 1' >> trapframe: 0xde9f4d34 >> FSR=00000801, FAR=c284afbb, spsr=00000013 >> r0 =c284c000, r1 =c284afbb, r2 =c284c210, r3 =0000096c >> r4 =c284c024, r5 =c05f07c5, r6 =00000014, r7 =c2844800 >> r8 =c05f07c5, r9 =c284c000, r10=000035cb, r11=de9f4e10 >> r12=0000002e, ssp=de9f4d80, slr=00000000, pc =c046d20c >> >> [ thread pid 0 tid 100053 ] >> Stopped at ieee80211_radiotap_chan_change+0x90: strh r3, [r1] >> db> >> --- >> Kernel wlan related options >> device wlan # 802.11 support >> options IEEE80211_DEBUG # enable debug msgs >> options IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's >> options IEEE80211_SUPPORT_MESH # enable 802.11s draft support >> device wlan_wep # 802.11 WEP support >> device wlan_ccmp # 802.11 CCMP support >> device wlan_tkip # 802.11 TKIP support >> device wlan_amrr # AMRR transmit rate control algorithm >> device firmware # firmware assist module >> device run #Ralink Technology USB IEEE 802.11a/g/n >> wireless network device >> device runfw #Firmware Module for Ralink driver >> >> --- >> The compiler command >> make TARGET_ARCH=armv6 TARGET_CPUTYPE=armv6 KERNCONF=BBB WITH_FDT=yes >> buildkernel >> -- >> Regards. >> By: XiaoQI Ge; PGP:8B09D5F7 >> WWW: https://www.7axu.com/ >> >> >> >> 2013/7/24 XiaoQI Ge <ghw@7axu.com>: >>> How do I debug it? Can provide useful information >>> >>> login: root >>> Jul 24 18:27:31 FreeBSD login: ROOT LOGIN (root) ON ttyu0 >>> FreeBSD 10.0-CURRENT (BBB) #4 r253585M: Wed Jul 24 17:07:53 CST 2013 >>> [root@FreeBSD.ttyu0] ~ # ifconfig wlan create wlandev run0 >>> wlan0: Ethernet address: 10:6f:3f:2b:fd:6d >>> wlan0 >>> [root@FreeBSD.ttyu0] ~ # ifconfig wlan0 up >>> run0: firmware RT2870 ver. 0.236 loaded >>> Fatal kernel mode data abort: 'Alignment Fault 1' >>> trapframe: 0xde9e4d5c >>> FSR=00000801, FAR=c282ffbb, spsr=00000013 >>> r0 =c2831000, r1 =c282ffbb, r2 =c2831210, r3 =0000096c >>> r4 =c2831024, r5 =c2831000, r6 =c05d9362, r7 =c2829800 >>> r8 =00000014, r9 =c08144d8, r10=80001cce, r11=de9e4e10 >>> r12=0000002e, ssp=de9e4da8, slr=00000000, pc =c045c510 >>> >>> [ thread pid 0 tid 100053 ] >>> Stopped at ieee80211_radiotap_chan_change+0x90: strh r3, [r1] >>> db> >>> >>> >>> These two places modified: >>> 2522 } >>> 2523 >>> 2524 ant = run_maxrssi_chain(sc, rxwi); >>> 2525 rssi = rxwi->rssi[ant]; >>> 2526 nf = run_rssi2dbm(sc, rssi, ant); >>> 2527 >>> 2528 m->m_pkthdr.rcvif = ifp; >>> 2529 m->m_pkthdr.len = m->m_len = len; >>> 2530 /* >>> 2531 if (ni != NULL) { >>> 2532 (void)ieee80211_input(ni, m, rssi, nf); >>> 2533 ieee80211_free_node(ni); >>> 2534 } else { >>> 2535 (void)ieee80211_input_all(ic, m, rssi, nf); >>> 2536 } >>> 2537 */ >>> 2538 /* >>> 2539 * DAAN: fill-in tap header BEFORE calling ieee80211_input*() so the >>> 2540 * user will see the actual data that belongs to THIS packet.. >>> 2541 */ >>> 2542 if (__predict_false(ieee80211_radiotap_active(ic))) { >>> 2543 struct run_rx_radiotap_header *tap = &sc->sc_rxtap; >>> 2544 >>> 2545 tap->wr_flags = 0; >>> 2546 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); >>> 2547 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); >>> 2548 tap->wr_antsignal = rssi; >>> 2549 tap->wr_antenna = ant; >>> 2550 tap->wr_dbm_antsignal = run_rssi2dbm(sc, rssi, ant); >>> 2551 tap->wr_rate = 2; /* in case it can't be found below */ >>> 2552 phy = le16toh(rxwi->phy); >>> 2553 switch (phy & RT2860_PHY_MODE) { >>> 2554 case RT2860_PHY_CCK: >>> 2555 switch ((phy & RT2860_PHY_MCS) & ~RT2860_PHY_SHPRE) { >>> 2556 case 0: tap->wr_rate = 2; break; >>> 2557 case 1: tap->wr_rate = 4; break; >>> 2558 case 2: tap->wr_rate = 11; break; >>> 2559 case 3: tap->wr_rate = 22; break; >>> 2560 } >>> 2561 if (phy & RT2860_PHY_SHPRE) >>> 2562 tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; >>> 2563 break; >>> 2564 case RT2860_PHY_OFDM: >>> 2565 switch (phy & RT2860_PHY_MCS) { >>> 2566 case 0: tap->wr_rate = 12; break; >>> 2567 case 1: tap->wr_rate = 18; break; >>> 2568 case 2: tap->wr_rate = 24; break; >>> 2569 case 3: tap->wr_rate = 36; break; >>> 2570 case 4: tap->wr_rate = 48; break; >>> 2571 case 5: tap->wr_rate = 72; break; >>> 2572 case 6: tap->wr_rate = 96; break; >>> 2573 case 7: tap->wr_rate = 108; break; >>> 2574 } >>> 2575 break; >>> 2576 } >>> 2577 } >>> 2578 >>> 2579 if (ni != NULL) { >>> 2580 (void)ieee80211_input(ni, m, rssi, nf); >>> 2581 ieee80211_free_node(ni); >>> 2582 } else { >>> 2583 (void)ieee80211_input_all(ic, m, rssi, nf); >>> 2584 } >>> 2585 >>> 2586 } >>> 2587 >>> 2588 static void >>> >>> >>> Index: sys/vm/vm_map.c >>> =================================================================== >>> --- sys/vm/vm_map.c (revision 253514) >>> +++ sys/vm/vm_map.c (working copy) >>> @@ -239,8 +239,7 @@ >>> vm_map_t map; >>> >>> map = (vm_map_t)mem; >>> - map->nentries = 0; >>> - map->size = 0; >>> + memset(map, 0, sizeof(*map)); >>> mtx_init(&map->system_mtx, "vm map (system)", NULL, MTX_DEF | >>> MTX_DUPOK); >>> sx_init(&map->lock, "vm map (user)"); >>> return (0); >>> >>> -- >>> Regards. >>> By: XiaoQI Ge; PGP:8B09D5F7 >>> WWW: https://www.7axu.com/ >>> >>> >>> >>> 2013/7/24 XiaoQI Ge <ghw@7axu.com>: >>>> I manually make up, is compiling the kernel >>>> -- >>>> Regards. >>>> By: XiaoQI Ge; PGP:8B09D5F7 >>>> WWW: https://www.7axu.com/ >>>> >>>> >>>> >>>> 2013/7/24 XiaoQI Ge <ghw@7axu.com>: >>>>> patch < /root/if_run_2013_01_19_radiotap_fix_only.diff appears to be invalid >>>>> >>>>> ] /usr/src/sys/dev/usb/wlan # patch < >>>>> /root/if_run_2013_01_19_radiotap_fix_only.diff >>>>> Hmm... Looks like a unified diff to me... >>>>> The text leading up to this was: >>>>> -------------------------- >>>>> |--- if_run.c.fix1_vnet 2013-06-14 10:12:49.786774072 +0200 >>>>> |+++ if_run.c.fix2_vnet_plus_radiotap 2013-06-14 10:15:34.890774314 +0200 >>>>> -------------------------- >>>>> File to patch: >>>>> >>>>> >>>>> 2013/7/23 Daan Vreeken <Daan@vitsch.nl>: >>>>>> cd /usr/src/sys/dev/usb/wlan >>>>> >>>>> >>>>> >>>>> -- >>>>> Regards. >>>>> By: XiaoQI Ge; PGP:8B09D5F7 >>>>> WWW: https://www.7axu.com/ >> _______________________________________________ >> freebsd-wireless@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-wireless >> To unsubscribe, send any mail to "freebsd-wireless-unsubscribe@freebsd.org"help
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