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+--- Thread: In place update from 9.0.6. (/showthread.php?tid=7035)
In place update from 9.0.6. - suzywong - 10-26-2024
A quickie before I do a clean install.
One of my Pi 3B/3B+ streamers shows “check for update failed” when attempting an in-place update.
All the othere are updated to 9.1.3, via the intermediate versions.
I suppose the question is, “Should I be able to do an in-place update from 9.0.6 to 9.1.3?”
Interestingly this particular unit is the only one connected by WiFi, and its location - the kitchen - may not be ideal; there are two interior brick/block walls in the path from the router - but it mostly works, and I can certainly control it from my iThings.
Thought or suggestions anyone?
Edit: the unit in question is a 3B and the sig strength is -77 dBm
RE: In place update from 9.0.6. - TheOldPresbyope - 10-26-2024
(10-26-2024, 09:55 AM)suzywong Wrote: A quickie before I do a clean install.
One of my Pi 3B/3B+ streamers shows “check for update failed” when attempting an in-place update.
All the othere are updated to 9.1.3, via the intermediate versions.
I suppose the question is, “Should I be able to do an in-place update from 9.0.6 to 9.1.3?”
Interestingly this particular unit is the only one connected by WiFi, and its location - the kitchen - may not be ideal; there are two interior brick/block walls in the path from the router - but it mostly works, and I can certainly control it from my iThings.
Thought or suggestions anyone?
Edit: the unit in question is a 3B and the sig strength is -77 dBm
I’m surprised you can get reliable WiFi service with such a low signal. The 3B has a relatively poor onboard antenna. You might have better performance with an external USB/WiFi adapter; I did on one of my players.
I’ll let Tim give a definitive answer on the update from 9.0.6 to 9.1.3.
Regards,
Kent
RE: In place update from 9.0.6. - Tim Curtis - 10-26-2024
The words "but it mostly works" would suggest just doing a fresh image would be the way to go.
RE: In place update from 9.0.6. - suzywong - 10-27-2024
That was my thinking as well, although I might move it onto t’Ethernet and try from there.
As an aside, is the WiFi antenna on the 3B+ deemed to be better than the 3B? If so, I might try swapping the Kitchen wified 3B for one of the Ethernetted 3B+.
Something to play with, next week.
RE: In place update from 9.0.6. - TheOldPresbyope - 10-27-2024
(10-27-2024, 10:37 AM)suzywong Wrote: That was my thinking as well, although I might move it onto t’Ethernet and try from there.
As an aside, is the WiFi antenna on the 3B+ deemed to be better than the 3B? If so, I might try swapping the Kitchen wified 3B for one of the Ethernetted 3B+.
Something to play with, next week.
It would be interesting to hear what you get if you do try the swap. I'm remiss for never having done comprehensive side-by-side comparisons.
The networking subsystem of the Pi 3B+ is improved in several ways, but how much of a difference that would make in your circumstance is difficult to predict.
Candidly, you may not find much of a difference in performance. Your reported -77 dBm signal level is extremely weak (1000 times weaker than the -47 dBm reported by an Pi 3A+ which is my player most distant from our access point). I don't see that being overcome just by changing boards. An external WiFi adapter with external antenna likely would be more helpful.
My rule of thumb: received WiFi signal levels -50 dBm or better give adequate moOde performance.
BTW, are you using a wired amp and speaker in the kitchen or a Bluetooth speaker? Using (2.4 GHz) Bluetooth at the same time as the (2.4 GHz-only) WiFi on the original Pi 3B is problematic for many; less so with the improvements of the 3B+. Even on my Pi 3A+ (essentially a cut-down 3B+), I get sputtering from a Bluetooth speaker when I'm streaming over 2.4 GHz WiFi but not when I'm streaming over 5 GHz WiFi., perhaps in part because of the low received WiFi signal level. As always, YMMV.
Regards,
Kent
PS - dBm is a measure based on the logarithm of the ratio of a signal to a reference level. A reported 0 dBm means the signal is equal to the reference level while -10 dBm is a factor of ten less, -20 dBm is a factor of 100 less, etc. So, -77 dBm differs from -47 dBm by 30 dBm which is a factor of 1000.
PPS - An interesting Linux command that reports detected access points in terms of a more familiar if arbitrary 0 - 100 scale along with a familiar 1 - 4 signal bars representation is sudo nmcli dev wifi
RE: In place update from 9.0.6. - DRONE7 - 10-28-2024
Quote:An interesting Linux command that reports detected access points in terms of a more familiar if arbitrary 0 - 100 scale along with a familiar 1 - 4 signal bars representation is sudo nmcli dev wifi
Wow ! I had not heard of it and having explored from your command I am well pleased !!
Many thanks for that gem Kent !
RE: In place update from 9.0.6. - the_bertrum - 10-28-2024
(10-28-2024, 06:02 AM)DRONE7 Wrote:Quote:An interesting Linux command that reports detected access points in terms of a more familiar if arbitrary 0 - 100 scale along with a familiar 1 - 4 signal bars representation is sudo nmcli dev wifi
Wow ! I had not heard of it and having explored from your command I am well pleased !!
Many thanks for that gem Kent !
Secnded. That's a lovely tool Kent, thanks muchly.
RE: In place update from 9.0.6. - TheOldPresbyope - 10-28-2024
Bookworm forced NetworkManager on us, which was both a nuisance and an opportunity. The nmcli command is an amazing Swiss Army knife of a tool.
Regards,
Kent
RE: In place update from 9.0.6. - suzywong - 10-29-2024
Moved the Kitchen 3B into the study and plonked in next to one of the WAPs. A more healthy -44dBm ensued. However it still failed the check for in-place update.
Plugged Ethernet in and rebooted for good measure. And a successful in-place update ensued.
Moved it back to the kitchen - now at -81 dBm - and playing very happily.
RF is a wonderful thing - it gets everywhere!