我使用rt2800usb驱动程序(带有RT5370 USB软件狗)并将Raspberry Pi配置为具有hostapd的WiFi热点。问题是,我会定期超时(请参见示例)。如果我不将RPi用作四轴飞行器的遥控器,这将不是问题。它似乎与我为RPi供电的方式无关,它与我拥有的所有此类Ralink wifi加密狗都一样。
Antwort von 192.168.42.1: Bytes=32 Zeit=1ms TTL=64
Antwort von 192.168.42.1: Bytes=32 Zeit=1ms TTL=64
Antwort von 192.168.42.1: Bytes=32 Zeit=1ms TTL=64
Zeitüberschreitung der Anforderung.
Antwort von 192.168.42.1: Bytes=32 Zeit=1ms TTL=64
Antwort von 192.168.42.1: Bytes=32 Zeit=1ms TTL=64
Antwort von 192.168.42.1: Bytes=32 Zeit=1ms TTL=64
dmesg输出:
[ 2606.960813] ieee80211 phy0: rt2800usb_entry_txstatus_timeout: Warning - TX status timeout for entry 6 in queue 2
[ 2606.960897] ieee80211 phy0: rt2800usb_entry_txstatus_timeout: Warning - TX status timeout for entry 6 in queue 2
[ 2606.960925] ieee80211 phy0: rt2800usb_entry_txstatus_timeout: Warning - TX status timeout for entry 6 in queue 2
[ 2606.961001] ieee80211 phy0: rt2800usb_entry_txstatus_timeout: Warning - TX status timeout for entry 7 in queue 2
[ 2606.961052] ieee80211 phy0: rt2800usb_entry_txstatus_timeout: Warning - TX status timeout for entry 8 in queue 2
[ 2606.961093] ieee80211 phy0: rt2800usb_entry_txstatus_timeout: Warning - TX status timeout for entry 9 in queue 2
[ 2606.961133] ieee80211 phy0: rt2800usb_entry_txstatus_timeout: Warning - TX status timeout for entry 10 in queue 2
[ 2606.961174] ieee80211 phy0: rt2800usb_entry_txstatus_timeout: Warning - TX status timeout for entry 11 in queue 2
[ 2608.352291] ieee80211 phy0: rt2800usb_txdone: Warning - Got TX status for an empty queue 2, dropping
[ 2608.352524] ieee80211 phy0: rt2800usb_txdone: Warning - Got TX status for an empty queue 2, dropping
[ 2608.352766] ieee80211 phy0: rt2800usb_txdone: Warning - Got TX status for an empty queue 2, dropping
[ 2608.353014] ieee80211 phy0: rt2800usb_txdone: Warning - Got TX status for an empty queue 2, dropping
[ 2608.353262] ieee80211 phy0: rt2800usb_txdone: Warning - Got TX status for an empty queue 2, dropping
[ 2608.353511] ieee80211 phy0: rt2800usb_txdone: Warning - Got TX status for an empty queue 2, dropping
我准备了一个小图形作为插图。我实现了自己的ping函数(出于测试原因,定时可变),每隔12秒就会看到一个超时(以红色表示,有一个小间隙)。我相信普通用户在上网时不会注意到这些超时。