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

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{{IssueCategory|Watchdog reset|
+
{{
'''Description:'''
+
IssueCategory| WiFi and BT prevent going to deep sleep|
* Watchdog not resetting
+
* sleep command such as:
'''Status:'''
+
rtcwake -d rtc0 -m mem -s 5
* To be fixed in future software releases
+
fails
'''Workaround:'''
+
:'''Workaround :'''  
* implemented GPIO controlled manual reset
+
before going to sleep unbind SDIO devices
 +
<pre>
 +
modprobe -r mwifiex_sdio
 +
modprobe -r btmrvl_sdio
 +
</pre>
 +
Once the device wakes up, re-bind them:
 +
<pre>
 +
modprobe mwifiex_sdio
 +
modprobe btmrvl_sdio
 +
</pre>
 
}}
 
}}
 
 
{{IssueCategory|Suspend/Resume|
 
{{IssueCategory|Suspend/Resume|
 
'''Description:'''
 
'''Description:'''
Line 16: Line 24:
 
:* run `systemctl restart weston`
 
:* run `systemctl restart weston`
 
}}
 
}}
 
+
{{IssueCategory|Watchdog reset|
{{IssueCategory|LCD backlight on SB-UCMIMX93|
+
'''Description:'''
 +
* Watchdog not resetting
 +
'''Status:'''
 +
* To be fixed in future software releases
 +
'''Workaround:'''
 +
* Build latest yocto release from source
 +
}}
 +
{{IssueCategory|MIPI DSI backlight on SB-UCMIMX93|
 
'''Description:'''
 
'''Description:'''
 
:* Backlight brightness intensity control is not supported in MIPI DSI
 
:* Backlight brightness intensity control is not supported in MIPI DSI

Latest revision as of 09:54, 18 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
Suspend/Resume

Description:

  • Weston doesn't restart after suspend

Status:

  • To be fixed in future software releases

Workaround:

  • run `systemctl restart weston`
Watchdog reset

Description:

  • Watchdog not resetting

Status:

  • To be fixed in future software releases

Workaround:

  • Build latest yocto release from source
MIPI DSI backlight on SB-UCMIMX93

Description:

  • Backlight brightness intensity control is not supported in MIPI DSI

Status:

  • To be fixed in future software releases

Workaround:

  • None