Difference between revisions of "MCM-iMX93: Yocto Linux: Known Issues"

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  /sys/devices/platform/imx93-lpm/mode
 
  /sys/devices/platform/imx93-lpm/mode
 
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+
 
IssueCategory|WIFI AP not communicating|
 
* can create AP
 
nmcli device wifi hotspot ssid imx93test con-name HotspotCon
 
but connection from other system fails
 
<pre>
 
root@ucm-imx93:~# nmcli radio wifi on
 
root@ucm-imx93:~# nmcli dev wifi con "imx93test" password "6hcZLYTg9b7v" name "Wifi"
 
mwifiex_sdio mmc2:0001:1: info: successfully disconnected from e8:ed:d6:99:a0:f1: reason code 3
 
mwifiex_sdio mmc2:0001:1: info: trying to associate to bssid e8:fb:1c:61:74:55
 
mwifiex_sdio mmc2:0001:1: ASSOC_RESP: failed,    status code=46 err=0x431 a_id=0x0
 
mwifiex_sdio mmc2:0001:1: assoc failure: reason Unknown connect failure
 
mwifiex_sdio mmc2:0001:1: info: association to bssid e8:fb:1c:61:74:55 failed
 
</pre>
 
}}
 
 
[[Category:Linux]]
 
[[Category:Linux]]
 
[[Category:Yocto]]
 
[[Category:Yocto]]
 
[[Category:MCM-iMX93]]
 
[[Category:MCM-iMX93]]

Revision as of 13:03, 16 February 2025

WiFi and BT prevent going to deep sleep
  • sleep command such as:
rtcwake -d rtc0 -m mem -s 5

fails

Workaround :

before going to sleep unbind SDIO devices

modprobe -r mwifiex_sdio
modprobe -r btmrvl_sdio

Once the device wakes up, re-bind them:

modprobe mwifiex_sdio
modprobe btmrvl_sdio
LPM doesn't work
  • missing file
/sys/devices/platform/imx93-lpm/mode