minincom cannot open /dev/modem

本文介绍了一位用户在Arch Linux系统中安装Minicom后遇到的问题,即在调用minicom命令时出现错误提示minicom:cannotopen/dev/modem:Nosuchfileordirectory。通过创建一个软链接将/dev/ttyS0链接到/dev/modem,成功解决了该问题,并最终使Minicom能够正常运行并接收开发板的串口信息。
昨天用pacman -S minicom命令在archlinux上下载并安装了minicom,但是调用minicom命令时出现如下错误:
minicom: cannot open /dev/modem: No such file or directory
今天终于找到解决方案,做一个软链接到/dev/ttyS0就可以解决问题了。命令如下:
ln -s /dev/ttyS0 /dev/modem

minicom命令正常运行后,打开开发板电源,屏幕上出现预期的来自开发板串口的信息。
ALSA lib setup.c:547:(add_elem) Cannot obtain info for CTL elem (MIXER,'AC97 2ch->4ch Copy Switch',0,0,0): No such file or directory ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround21 ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround21 ALSA lib setup.c:547:(add_elem) Cannot obtain info for CTL elem (MIXER,'AC97 2ch->4ch Copy Switch',0,0,0): No such file or directory ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround41 ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround50 ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround51 ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround71 ALSA lib setup.c:547:(add_elem) Cannot obtain info for CTL elem (PCM,'IEC958 Playback PCM Stream',0,0,0): No such file or directory ALSA lib setup.c:547:(add_elem) Cannot obtain info for CTL elem (PCM,'IEC958 Playback PCM Stream',0,0,0): No such file or directory ALSA lib setup.c:547:(add_elem) Cannot obtain info for CTL elem (PCM,'IEC958 Playback PCM Stream',0,0,0): No such file or directory ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline ALSA lib pcm_oss.c:397:(_snd_pcm_oss_open) Cannot open device /dev/dsp ALSA lib pcm_oss.c:397:(_snd_pcm_oss_open) Cannot open device /dev/dsp ALSA lib confmisc.c:160:(snd_config_get_card) Invalid field card ALSA lib pcm_usb_stream.c:482:(_snd_pcm_usb_stream_open) Invalid card 'card' ALSA l
07-15
huaxi@fd4bb9d5f3ca:/ge550v1/Iplatform/build$ make PRODUCT_NAME=ge550v1 iplatform_prep openssl support zlib cp: cannot remove ‘/ge550v1/Iplatform/build/…/openwrt/package/libnfnetlink/patches/100-missing_include.patch’: Permission denied copy patches done. make toolchain done. make[1]: Entering directory /ge550v1/qca_95xx_12_2' Updating feed 'packages' from '../qca/feeds/packages' ... rm: cannot remove './feeds/packages': Permission denied ln: failed to create symbolic link './feeds/packages/packages': File exists failed. Updating feed 'networking' from '../qca/feeds/networking' ... rm: cannot remove './feeds/networking': Permission denied ln: failed to create symbolic link './feeds/networking/networking': File exists failed. Updating feed 'luci' from '../qca/feeds/luci' ... rm: cannot remove './feeds/luci': Permission denied ln: failed to create symbolic link './feeds/luci/luci': File exists failed. Updating feed 'routing' from '../qca/feeds/routing' ... rm: cannot remove './feeds/routing': Permission denied ln: failed to create symbolic link './feeds/routing/routing': File exists failed. Updating feed 'nss' from '../qca/feeds/nss' ... rm: cannot remove './feeds/nss': Permission denied ln: failed to create symbolic link './feeds/nss/nss': File exists failed. Updating feed 'nss_prop' from '../qca/feeds/nss-prop' ... rm: cannot remove './feeds/nss_prop': Permission denied ln: failed to create symbolic link './feeds/nss_prop/nss-prop': File exists failed. Updating feed 'nss_host' from '../qca/feeds/nss-host' ... rm: cannot remove './feeds/nss_host': Permission denied ln: failed to create symbolic link './feeds/nss_host/nss-host': File exists failed. Updating feed 'nss_cust' from '../qca/feeds/nss_cust' ... rm: cannot remove './feeds/nss_cust': Permission denied ln: failed to create symbolic link './feeds/nss_cust': File exists failed. Updating feed 'nss_userspace' from '../qca/feeds/nss-userspace' ... rm: cannot remove './feeds/nss_userspace': Permission denied ln: failed to create symbolic link './feeds/nss_userspace': File exists failed. Updating feed 'nss_flowid' from '../qca/feeds/nss-flowid' ... rm: cannot remove './feeds/nss_flowid': Permission denied ln: failed to create symbolic link './feeds/nss_flowid': File exists failed. Updating feed 'nss_sap' from '../qca/feeds/nss-sap' ... rm: cannot remove './feeds/nss_sap': Permission denied ln: failed to create symbolic link './feeds/nss_sap/nss-sap': File exists failed. Updating feed 'wlan_open' from '../qca/feeds/wlan-open' ... rm: cannot remove './feeds/wlan_open': Permission denied ln: failed to create symbolic link './feeds/wlan_open/wlan-open': File exists failed. Updating feed 'wlan_hostapd' from '../qca/feeds/wlan-hostapd' ... rm: cannot remove './feeds/wlan_hostapd': Permission denied ln: failed to create symbolic link './feeds/wlan_hostapd/wlan-hostapd': File exists failed. Updating feed 'wlan_iw' from '../qca/feeds/wlan-iw' ... rm: cannot remove './feeds/wlan_iw': Permission denied ln: failed to create symbolic link './feeds/wlan_iw/wlan-iw': File exists failed. Updating feed 'sigma_dut_open' from '../qca/feeds/sigma-dut-open' ... rm: cannot remove './feeds/sigma_dut_open': Permission denied ln: failed to create symbolic link './feeds/sigma_dut_open/sigma-dut-open': File exists failed. Updating feed 'ath10k_firmware' from '../qca/feeds/ath10k-firmware' ... rm: cannot remove './feeds/ath10k_firmware': Permission denied ln: failed to create symbolic link './feeds/ath10k_firmware': File exists failed. Updating feed 'wlan' from '../qca/feeds/wlan' ... rm: cannot remove './feeds/wlan': Permission denied ln: failed to create symbolic link './feeds/wlan': File exists failed. Updating feed 'qca' from '../qca/feeds/qca' ... rm: cannot remove './feeds/qca': Permission denied ln: failed to create symbolic link './feeds/qca/qca': File exists failed. Updating feed 'athdiag' from '../qca/feeds/athdiag' ... rm: cannot remove './feeds/athdiag': Permission denied ln: failed to create symbolic link './feeds/athdiag/athdiag': File exists failed. Updating feed 'art2' from '../qca/feeds/art2' ... rm: cannot remove './feeds/art2': Permission denied ln: failed to create symbolic link './feeds/art2': File exists failed. Updating feed 'athtestcmd' from '../qca/feeds/athtestcmd' ... rm: cannot remove './feeds/athtestcmd': Permission denied ln: failed to create symbolic link './feeds/athtestcmd/athtestcmd': File exists failed. Updating feed 'wapid' from '../qca/feeds/wapid' ... rm: cannot remove './feeds/wapid': Permission denied ln: failed to create symbolic link './feeds/wapid': File exists failed. Updating feed 'qcom_utils_internal' from '../qca/feeds/qcom-utils-internal' ... rm: cannot remove './feeds/qcom_utils_internal': Permission denied ln: failed to create symbolic link './feeds/qcom_utils_internal': File exists failed. Updating feed 'qca_platform_utils' from '../qca/feeds/qca-platform-utils' ... rm: cannot remove './feeds/qca_platform_utils': Permission denied ln: failed to create symbolic link './feeds/qca_platform_utils/qca-platform-utils': File exists failed. Updating feed 'shortcut_fe' from '../qca/feeds/shortcut-fe' ... rm: cannot remove './feeds/shortcut_fe': Permission denied ln: failed to create symbolic link './feeds/shortcut_fe': File exists failed. Updating feed 'qca_mcs' from '../qca/feeds/qca-mcs' ... rm: cannot remove './feeds/qca_mcs': Permission denied ln: failed to create symbolic link './feeds/qca_mcs/qca-mcs': File exists failed. Updating feed 'qca_lib' from '../qca/feeds/qca-lib' ... rm: cannot remove './feeds/qca_lib': Permission denied ln: failed to create symbolic link './feeds/qca_lib/qca-lib': File exists failed. Updating feed 'apple_homekit' from '../qca/feeds/apple-homekit' ... rm: cannot remove './feeds/apple_homekit': Permission denied ln: failed to create symbolic link './feeds/apple_homekit': File exists failed. Updating feed 'ieee1905_security' from '../qca/feeds/ieee1905-security' ... rm: cannot remove './feeds/ieee1905_security': Permission denied ln: failed to create symbolic link './feeds/ieee1905_security/ieee1905-security': File exists failed. Updating feed 'hyfi' from '../qca/feeds/hyfi' ... rm: cannot remove './feeds/hyfi': Permission denied ln: failed to create symbolic link './feeds/hyfi/hyfi': File exists failed. Updating feed 'qca_plc' from '../qca/feeds/qca-plc' ... rm: cannot remove './feeds/qca_plc': Permission denied ln: failed to create symbolic link './feeds/qca_plc': File exists failed. Updating feed 'whc' from '../qca/feeds/whc' ... rm: cannot remove './feeds/whc': Permission denied ln: failed to create symbolic link './feeds/whc/whc': File exists failed. Updating feed 'bluetopia' from '../qca/feeds/bluetopia' ... rm: cannot remove './feeds/bluetopia': Permission denied ln: failed to create symbolic link './feeds/bluetopia/bluetopia': File exists failed. Updating feed 'wigig_utils' from '../qca/feeds/wigig-utils' ... rm: cannot remove './feeds/wigig_utils': Permission denied ln: failed to create symbolic link './feeds/wigig_utils': File exists failed. Updating feed 'wigig_utils_oss' from '../qca/feeds/wigig-utils-oss' ... rm: cannot remove './feeds/wigig_utils_oss': Permission denied ln: failed to create symbolic link './feeds/wigig_utils_oss': File exists failed. Updating feed 'wigig_firmware' from '../qca/feeds/wigig-firmware' ... rm: cannot remove './feeds/wigig_firmware': Permission denied ln: failed to create symbolic link './feeds/wigig_firmware': File exists failed. Updating feed 'ssdk' from '../qca/feeds/ssdk' ... rm: cannot remove './feeds/ssdk': Permission denied ln: failed to create symbolic link './feeds/ssdk/ssdk': File exists failed. Updating feed 'bluetooth' from '../qca/feeds/bluetooth' ... rm: cannot remove './feeds/bluetooth': Permission denied ln: failed to create symbolic link './feeds/bluetooth': File exists failed. Updating feed 'thread' from '../qca/feeds/thread' ... rm: cannot remove './feeds/thread': Permission denied ln: failed to create symbolic link './feeds/thread': File exists failed. Updating feed 'ioe_bridges' from '../qca/feeds/ioe-bridges' ... rm: cannot remove './feeds/ioe_bridges': Permission denied ln: failed to create symbolic link './feeds/ioe_bridges': File exists failed. Updating feed 'qca_hk' from '../qca/feeds/qca_hk' ... rm: cannot remove './feeds/qca_hk': Permission denied ln: failed to create symbolic link './feeds/qca_hk/qca_hk': File exists failed. Updating feed 'qca_cp' from '../qca/feeds/qca-cp' ... rm: cannot remove './feeds/qca_cp': Permission denied ln: failed to create symbolic link './feeds/qca_cp/qca-cp': File exists failed. Updating feed 'qca_np' from '../qca/feeds/qca_np' ... rm: cannot remove './feeds/qca_np': Permission denied ln: failed to create symbolic link './feeds/qca_np': File exists failed. Updating feed 'qca_lit' from '../qca/feeds/qca-lit' ... rm: cannot remove './feeds/qca_lit': Permission denied ln: failed to create symbolic link './feeds/qca_lit': File exists failed. Updating feed 'csrmesh' from '../qca/feeds/csrmesh' ... rm: cannot remove './feeds/csrmesh': Permission denied ln: failed to create symbolic link './feeds/csrmesh': File exists failed. Updating feed 'sigma_dut' from '../qca/feeds/sigma-dut' ... rm: cannot remove './feeds/sigma_dut': Permission denied ln: failed to create symbolic link './feeds/sigma_dut': File exists failed. Updating feed 'qca_wapi' from '../qca/feeds/qca-wapi' ... rm: cannot remove './feeds/qca_wapi': Permission denied ln: failed to create symbolic link './feeds/qca_wapi': File exists failed. Updating feed 'qca_IOT' from '../qca/feeds/qca-IOT' ... rm: cannot remove './feeds/qca_IOT': Permission denied ln: failed to create symbolic link './feeds/qca_IOT': File exists failed. Updating feed 'bootloader' from '../qca/feeds/bootloader' ... rm: cannot remove './feeds/bootloader': Permission denied ln: failed to create symbolic link './feeds/bootloader/bootloader': File exists failed. Updating feed 'platform_utils' from '../qca/feeds/platform_utils' ... rm: cannot remove './feeds/platform_utils': Permission denied ln: failed to create symbolic link './feeds/platform_utils/platform_utils': File exists failed. Updating feed 'lte_data_oss' from '../qca/feeds/lte-data-oss' ... rm: cannot remove './feeds/lte_data_oss': Permission denied ln: failed to create symbolic link './feeds/lte_data_oss/lte-data-oss': File exists failed. Updating feed 'lte_data_prop' from '../qca/feeds/lte-data-prop' ... rm: cannot remove './feeds/lte_data_prop': Permission denied ln: failed to create symbolic link './feeds/lte_data_prop': File exists failed. Updating feed 'snpe' from '../qca/feeds/snpe' ... rm: cannot remove './feeds/snpe': Permission denied ln: failed to create symbolic link './feeds/snpe': File exists failed. Updating feed 'data_modem_monitor' from '../qca/feeds/data-modem-monitor' ... rm: cannot remove './feeds/data_modem_monitor': Permission denied ln: failed to create symbolic link './feeds/data_modem_monitor': File exists failed. Updating feed 'wlan_utils' from '../qca/feeds/wlan_utils' ... rm: cannot remove './feeds/wlan_utils': Permission denied ln: failed to create symbolic link './feeds/wlan_utils/wlan_utils': File exists failed. Updating feed 'afc' from '../qca/feeds/afc' ... rm: cannot remove './feeds/afc': Permission denied ln: failed to create symbolic link './feeds/afc/afc': File exists failed. Updating feed 'qca_mad' from '../qca/feeds/qca-mad' ... rm: cannot remove './feeds/qca_mad': Permission denied ln: failed to create symbolic link './feeds/qca_mad/qca-mad': File exists failed. Updating feed 'qca_son_mem_debug' from '../qca/feeds/qca-son-mem-debug' ... rm: cannot remove './feeds/qca_son_mem_debug': Permission denied ln: failed to create symbolic link './feeds/qca_son_mem_debug/qca-son-mem-debug': File exists failed. Updating feed 'healthmonitor' from '../qca/feeds/healthmonitor' ... rm: cannot remove './feeds/healthmonitor': Permission denied ln: failed to create symbolic link './feeds/healthmonitor': File exists failed. Updating feed 'minidump' from '../qca/feeds/minidump' ... rm: cannot remove './feeds/minidump': Permission denied ln: failed to create symbolic link './feeds/minidump/minidump': File exists failed. Updating feed 'btdaemon' from '../qca/feeds/btdaemon' ... rm: cannot remove './feeds/btdaemon': Permission denied ln: failed to create symbolic link './feeds/btdaemon/btdaemon': File exists failed. Updating feed 'kickstart' from '../qca/feeds/kickstart' ... rm: cannot remove './feeds/kickstart': Permission denied ln: failed to create symbolic link './feeds/kickstart': File exists failed. Updating feed 'qca_ezmesh' from '../qca/feeds/qca-ezmesh' ... rm: cannot remove './feeds/qca_ezmesh': Permission denied ln: failed to create symbolic link './feeds/qca_ezmesh': File exists failed. Updating feed 'qtip_server' from '../qca/feeds/qtip-server' ... rm: cannot remove './feeds/qtip_server': Permission denied ln: failed to create symbolic link './feeds/qtip_server': File exists failed. Updating feed 'wifi_fw_headers' from '../qca/feeds/wifi-fw-headers' ... rm: cannot remove './feeds/wifi_fw_headers': Permission denied ln: failed to create symbolic link './feeds/wifi_fw_headers': File exists failed. Updating feed 'odd' from '../qca/feeds/odd' ... rm: cannot remove './feeds/odd': Permission denied ln: failed to create symbolic link './feeds/odd': File exists failed. Updating feed 'wifi_debug_tools' from '../qca/feeds/wifi-debug-tools' ... rm: cannot remove './feeds/wifi_debug_tools': Permission denied ln: failed to create symbolic link './feeds/wifi_debug_tools': File exists failed. Updating feed 'qca_rsrcmgr' from '../qca/feeds/qca-rsrcmgr' ... rm: cannot remove './feeds/qca_rsrcmgr': Permission denied ln: failed to create symbolic link './feeds/qca_rsrcmgr/qca-rsrcmgr': File exists failed. Updating feed 'qwes_tools' from '../qca/feeds/qwes_tools' ... rm: cannot remove './feeds/qwes_tools': Permission denied ln: failed to create symbolic link './feeds/qwes_tools': File exists failed. Updating feed 'optic_apps_oss' from '../qca/feeds/optic-apps-oss' ... rm: cannot remove './feeds/optic_apps_oss': Permission denied ln: failed to create symbolic link './feeds/optic_apps_oss': File exists failed. Updating feed 'optic_apps_prop' from '../qca/feeds/optic-apps-prop' ... rm: cannot remove './feeds/optic_apps_prop': Permission denied ln: failed to create symbolic link './feeds/optic_apps_prop': File exists failed. Updating feed 'optic_drivers_oss' from '../qca/feeds/optic-drivers-oss' ... rm: cannot remove './feeds/optic_drivers_oss': Permission denied ln: failed to create symbolic link './feeds/optic_drivers_oss': File exists failed. Updating feed 'optic_drivers_prop' from '../qca/feeds/optic-drivers-prop' ... rm: cannot remove './feeds/optic_drivers_prop': Permission denied ln: failed to create symbolic link './feeds/optic_drivers_prop': File exists failed. Updating feed 'em_ext_ctrl' from '../qca/feeds/em-ext-ctrl' ... rm: cannot remove './feeds/em_ext_ctrl': Permission denied ln: failed to create symbolic link './feeds/em_ext_ctrl': File exists failed. rm: cannot remove 'tmp/.packageinfo': Permission denied make[1]: *** [package/symlinks] Error 1 make[1]: Leaving directory /ge550v1/qca_95xx_12_2’ make: *** [package/symlinks] Error 2 huaxi@fd4bb9d5f3ca:/ge550v1/Iplatform/build$ cat /etc/passwd root❌0:0:root:/root:/bin/bash daemon❌1:1:daemon:/usr/sbin:/usr/sbin/nologin bin❌2:2:bin:/bin:/usr/sbin/nologin sys❌3:3:sys:/dev:/usr/sbin/nologin sync❌4:65534:sync:/bin:/bin/sync games❌5:60:games:/usr/games:/usr/sbin/nologin man❌6:12👨/var/cache/man:/usr/sbin/nologin lp❌7:7:lp:/var/spool/lpd:/usr/sbin/nologin mail❌8:8:mail:/var/mail:/usr/sbin/nologin news❌9:9:news:/var/spool/news:/usr/sbin/nologin uucp❌10:10:uucp:/var/spool/uucp:/usr/sbin/nologin proxy❌13:13:proxy:/bin:/usr/sbin/nologin www-data❌33:33:www-data:/var/www:/usr/sbin/nologin backup❌34:34:backup:/var/backups:/usr/sbin/nologin list❌38:38:Mailing List Manager:/var/list:/usr/sbin/nologin irc❌39:39:ircd:/var/run/ircd:/usr/sbin/nologin gnats❌41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/usr/sbin/nologin nobody❌65534:65534:nobody:/nonexistent:/usr/sbin/nologin libuuid❌100:101::/var/lib/libuuid: syslog❌101:104::/home/syslog:/bin/false huaxi❌1000:1000::/home/huaxi: huaxi@fd4bb9d5f3ca:/ge550v1/Iplatform/build$
最新发布
09-04
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