My WLI-UC-GNM up crash
XiaoQI Ge
ghw at 7axu.com
Fri Jul 26 03:23:46 UTC 2013
我更新到最新的源码（r253662），这次错误信息变成了0xde9f4d34
[root at 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 at 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 at FreeBSD.ttyu0] ~ # ifconfig wlan create wlandev run0
> wlan0: Ethernet address: 10:6f:3f:2b:fd:6d
> wlan0
> [root at 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 at 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 at 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 at vitsch.nl>:
>>>> cd /usr/src/sys/dev/usb/wlan
>>>
>>>
>>>
>>> --
>>> Regards.
>>> By: XiaoQI Ge; PGP:8B09D5F7
>>> WWW: https://www.7axu.com/
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