Date: Wed, 24 Jul 2013 10:39:32 +0800 From: XiaoQI Ge <ghw@7axu.com> To: Daan Vreeken <Daan@vitsch.nl> Cc: freebsd-arm@freebsd.org, freebsd-wireless@freebsd.org Subject: Re: My WLI-UC-GNM up crash Message-ID: <CAKrd9eXJH6VQPBTLCayat47Dch8BWmhz3gzYtcSv-6unHb8QMQ@mail.gmail.com> In-Reply-To: <CAKrd9eWsfgd9EZytBOrxBYyeTaNjPhFO6O5qv-K4ODf9bSDvVw@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>
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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/
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