Raspberry Pi Forums

Posted: **Wed Nov 13, 2019 10:23 pm**

Hi, not a professional, I use a RPi 4B, updated buster and I get the following boot messages at each startup :

[    0.851143] vc_vchi_sm_init: failed to open VCHI service (-1)
[    0.851154] [vc_sm_connected_init]: failed to initialize shared memory service

I ran dmesg >> blabla.txt to be abble to read and copy these 2 msg. I can transmit the complete result , i.e. blabla.txt, if it can help.

Should I know/fear/do something about it ?
Or should I forget it ?
If so, how could I avoid them ?

Any comment/hint/key welcomed !

Posted: **Wed Nov 13, 2019 10:34 pm**

If you've set gpu_mem=16 in /boot/config.txt then those two errors are normal. The firmware disables most of the VideoCore services to minimise memory needed and one of them is the VCSM shared memory service which is what those two errors are complaining about.

Posted: **Thu Nov 14, 2019 7:50 am**

One who knows is better than 10 who search ! Thanks a lot !

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