Raspberry Pi 偶尔的网络问题公告
树莓派大概每两个多月的样子就会出现一些问题，连不上网，这个偶尔发生的问题，不知道深层次的原因是什么，因为没法联网，该报警的都报警了！
https://andreas.scherbaum.la/blog/archives/1001-Reboot-the-Raspberry-Pi-on-network-failures-brcmfmac-brcmf_cfg80211_scan-scan-error-110.html
May 1 03:20:34 raspberrypi kernel: [1996808.530881] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:20:34 raspberrypi kernel: [1996808.530896] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:21:34 raspberrypi kernel: [1996868.434696] brcmfmac: brcmf_sdio_bus_rxctl: resumed on timeout May 1 03:21:34 raspberrypi kernel: [1996868.435178] brcmfmac: brcmf_sdio_checkdied: firmware trap in dongle May 1 03:21:34 raspberrypi kernel: [1996868.435431] brcmfmac: dongle trap info: type 0x4 @ epc 0x0007a094 May 1 03:21:34 raspberrypi kernel: [1996868.435431] cpsr 0x6000019f spsr 0x600001bf sp 0x0025f888 May 1 03:21:34 raspberrypi kernel: [1996868.435431] lr 0x0007a093 pc 0x0007a094 offset 0x25f830 May 1 03:21:34 raspberrypi kernel: [1996868.435431] r0 0x00000037 r1 0x00000005 r2 0x00000000 r3 0x00000001 May 1 03:21:34 raspberrypi kernel: [1996868.435431] r4 0x002494d0 r5 0x00000000 r6 0x00249460 r7 0x00000004 May 1 03:21:34 raspberrypi kernel: [1996868.435454] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:21:34 raspberrypi kernel: [1996868.435470] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:22:34 raspberrypi kernel: [1996928.339272] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:22:34 raspberrypi kernel: [1996928.339296] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:23:34 raspberrypi kernel: [1996988.499861] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:23:34 raspberrypi kernel: [1996988.499882] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:23:37 raspberrypi kernel: [1996991.061905] CIFS VFS: \\192.168.31.103 has not responded in 180 seconds. Reconnecting... May 1 03:24:34 raspberrypi kernel: [1997048.404442] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:24:34 raspberrypi kernel: [1997048.404465] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:25:34 raspberrypi kernel: [1997108.309023] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:25:34 raspberrypi kernel: [1997108.309044] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:26:34 raspberrypi kernel: [1997168.469616] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:26:34 raspberrypi kernel: [1997168.469636] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:27:34 raspberrypi kernel: [1997228.374194] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:27:34 raspberrypi kernel: [1997228.374214] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:28:34 raspberrypi kernel: [1997288.534795] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:28:34 raspberrypi kernel: [1997288.534816] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:29:34 raspberrypi kernel: [1997348.439387] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:29:34 raspberrypi kernel: [1997348.439408] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:30:01 raspberrypi CRON[24311]: (pi) CMD (php /script.php) May 1 03:30:34 raspberrypi kernel: [1997408.343978] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:30:34 raspberrypi kernel: [1997408.343999] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:30:52 raspberrypi CRON[24307]: (CRON) info (No MTA installed, discarding output) May 1 03:31:34 raspberrypi kernel: [1997468.504589] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:31:34 raspberrypi kernel: [1997468.504609] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:32:34 raspberrypi kernel: [1997528.409178] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:32:34 raspberrypi kernel: [1997528.409199] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:33:34 raspberrypi kernel: [1997588.313804] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:33:34 raspberrypi kernel: [1997588.313826] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:34:34 raspberrypi kernel: [1997648.474380] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:34:34 raspberrypi kernel: [1997648.474401] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110)
May 1 03:35:02 raspberrypi systemd-timesyncd[299]: Timed out waiting for reply from 84.16.73.33:123 (2.debian.pool.ntp.org). May 1 03:35:13 raspberrypi systemd-timesyncd[299]: Timed out waiting for reply from 119.28.206.193:123 (2.debian.pool.ntp.org). May 1 03:35:23 raspberrypi systemd-timesyncd[299]: Timed out waiting for reply from 193.182.111.143:123 (2.debian.pool.ntp.org). May 1 03:35:33 raspberrypi systemd-timesyncd[299]: Timed out waiting for reply from 203.107.6.88:123 (2.debian.pool.ntp.org). May 1 03:35:34 raspberrypi kernel: [1997708.378984] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:35:34 raspberrypi kernel: [1997708.379005] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:36:34 raspberrypi kernel: [1997768.539593] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:36:34 raspberrypi kernel: [1997768.539615] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:37:34 raspberrypi kernel: [1997828.444200] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:37:34 raspberrypi kernel: [1997828.444221] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:38:34 raspberrypi kernel: [1997888.348796] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:38:34 raspberrypi kernel: [1997888.348816] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:39:01 raspberrypi CRON[24365]: (root) CMD ( [ -x /usr/lib/php/sessionclean ] && if [ ! -d /run/systemd/system ]; then /usr/lib/php/sessionclean; fi) May 1 03:39:05 raspberrypi systemd[1]: Starting Clean php session files... May 1 03:39:05 raspberrypi systemd[1]: phpsessionclean.service: Succeeded. May 1 03:39:05 raspberrypi systemd[1]: Started Clean php session files. May 1 03:39:34 raspberrypi kernel: [1997948.509413] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:39:34 raspberrypi kernel: [1997948.509434] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:40:01 raspberrypi CRON[24434]: (pi) CMD (php /script.php) May 1 03:40:34 raspberrypi kernel: [1998008.414010] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:40:34 raspberrypi kernel: [1998008.414031] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:40:52 raspberrypi CRON[24430]: (CRON) info (No MTA installed, discarding output) May 1 03:40:56 raspberrypi rngd[479]: stats: bits received from HRNG source: 16700064 May 1 03:40:56 raspberrypi rngd[479]: stats: bits sent to kernel pool: 16642048 May 1 03:40:56 raspberrypi rngd[479]: stats: entropy added to kernel pool: 16642048 May 1 03:40:56 raspberrypi rngd[479]: stats: FIPS 140-2 successes: 835 May 1 03:40:56 raspberrypi rngd[479]: stats: FIPS 140-2 failures: 0 May 1 03:40:56 raspberrypi rngd[479]: stats: FIPS 140-2(2001-10-10) Monobit: 0 May 1 03:40:56 raspberrypi rngd[479]: stats: FIPS 140-2(2001-10-10) Poker: 0 May 1 03:40:56 raspberrypi rngd[479]: stats: FIPS 140-2(2001-10-10) Runs: 0 May 1 03:40:56 raspberrypi rngd[479]: stats: FIPS 140-2(2001-10-10) Long run: 0 May 1 03:40:56 raspberrypi rngd[479]: stats: FIPS 140-2(2001-10-10) Continuous run: 0 May 1 03:40:56 raspberrypi rngd[479]: stats: HRNG source speed: (min=407.461; avg=525.528; max=550.269)Kibits/s May 1 03:40:56 raspberrypi rngd[479]: stats: FIPS tests speed: (min=9.682; avg=13.925; max=28.596)Mibits/s May 1 03:40:56 raspberrypi rngd[479]: stats: Lowest ready-buffers level: 2 May 1 03:40:56 raspberrypi rngd[479]: stats: Entropy starvations: 0 May 1 03:40:56 raspberrypi rngd[479]: stats: Time spent starving for entropy: (min=0; avg=0.000; max=0)us
May 1 03:41:34 raspberrypi kernel: [1998068.318620] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:41:34 raspberrypi kernel: [1998068.318641] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:42:34 raspberrypi kernel: [1998128.479223] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:42:34 raspberrypi kernel: [1998128.479243] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:43:34 raspberrypi kernel: [1998188.383835] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:43:34 raspberrypi kernel: [1998188.383857] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:44:34 raspberrypi kernel: [1998248.544449] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:44:34 raspberrypi kernel: [1998248.544470] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:45:34 raspberrypi kernel: [1998308.449057] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:45:34 raspberrypi kernel: [1998308.449080] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:46:34 raspberrypi kernel: [1998368.353677] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:46:34 raspberrypi kernel: [1998368.353699] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:47:34 raspberrypi kernel: [1998428.514289] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:47:34 raspberrypi kernel: [1998428.514310] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:48:34 raspberrypi kernel: [1998488.418886] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:48:34 raspberrypi kernel: [1998488.418907] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:49:34 raspberrypi kernel: [1998548.579505] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:49:34 raspberrypi kernel: [1998548.579528] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:50:01 raspberrypi CRON[24479]: (pi) CMD (php /script.php) May 1 03:50:34 raspberrypi kernel: [1998608.484106] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:50:34 raspberrypi kernel: [1998608.484127] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:50:52 raspberrypi CRON[24475]: (CRON) info (No MTA installed, discarding output) May 1 03:51:34 raspberrypi kernel: [1998668.388722] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:51:34 raspberrypi kernel: [1998668.388743] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:52:34 raspberrypi kernel: [1998728.549341] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:52:34 raspberrypi kernel: [1998728.549364] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:53:34 raspberrypi kernel: [1998788.453947] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:53:34 raspberrypi kernel: [1998788.453967] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:54:34 raspberrypi kernel: [1998848.358549] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:54:34 raspberrypi kernel: [1998848.358571] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:55:34 raspberrypi kernel: [1998908.519172] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:55:34 raspberrypi kernel: [1998908.519196] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:56:34 raspberrypi kernel: [1998968.423772] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:56:34 raspberrypi kernel: [1998968.423794] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:57:34 raspberrypi kernel: [1999028.584388] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:57:34 raspberrypi kernel: [1999028.584409] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:58:34 raspberrypi kernel: [1999088.489001] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:58:34 raspberrypi kernel: [1999088.489023] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 03:59:34 raspberrypi kernel: [1999148.393630] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 03:59:34 raspberrypi kernel: [1999148.393652] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 04:00:01 raspberrypi CRON[24524]: (pi) CMD (php /script.php) May 1 04:00:34 raspberrypi kernel: [1999208.554220] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 04:00:34 raspberrypi kernel: [1999208.554242] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 04:00:52 raspberrypi CRON[24520]: (CRON) info (No MTA installed, discarding output)
May 1 04:01:34 raspberrypi kernel: [1999268.458837] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 04:01:34 raspberrypi kernel: [1999268.458860] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 04:02:34 raspberrypi kernel: [1999328.363445] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 04:02:34 raspberrypi kernel: [1999328.363466] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 04:03:34 raspberrypi kernel: [1999388.524057] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 04:03:34 raspberrypi kernel: [1999388.524077] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 04:04:34 raspberrypi kernel: [1999448.428679] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 04:04:34 raspberrypi kernel: [1999448.428701] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 04:05:34 raspberrypi kernel: [1999508.589276] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 04:05:34 raspberrypi kernel: [1999508.589297] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 04:06:34 raspberrypi kernel: [1999568.493892] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 04:06:34 raspberrypi kernel: [1999568.493912] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 04:07:34 raspberrypi kernel: [1999628.398529] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 04:07:34 raspberrypi kernel: [1999628.398549] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 04:08:34 raspberrypi kernel: [1999688.559117] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 04:08:34 raspberrypi kernel: [1999688.559138] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 04:09:01 raspberrypi CRON[24574]: (root) CMD ( [ -x /usr/lib/php/sessionclean ] && if [ ! -d /run/systemd/system ]; then /usr/lib/php/sessionclean; fi) May 1 04:09:05 raspberrypi systemd[1]: Starting Clean php session files... May 1 04:09:05 raspberrypi systemd[1]: phpsessionclean.service: Succeeded. May 1 04:09:05 raspberrypi systemd[1]: Started Clean php session files. May 1 04:09:34 raspberrypi kernel: [1999748.463736] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 04:09:34 raspberrypi kernel: [1999748.463757] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 04:10:01 raspberrypi CRON[24642]: (pi) CMD (php /script.php) May 1 04:10:34 raspberrypi kernel: [1999808.368340] ieee80211 phy0: brcmf_run_escan: error (-110) May 1 04:10:34 raspberrypi kernel: [1999808.368362] ieee80211 phy0: brcmf_cfg80211_scan: scan error (-110) May 1 04:10:51 raspberrypi CRON[24638]: (CRON) info (No MTA installed, discarding output)
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