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Old 10-01-2022, 05:15 PM   #1
sds910
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Raspberry Pi 4 Stuck on Welcome Screen
Fresh install on RPi 4; install seems to go ok; no error messages.
Start Calibre from the Desktop; welcome screen launches.
Program dies the second I attempt to select a folder for the library.

If I start from a command line, it exits with "Segmentation Fault" which seems to be the same as this problem: https://www.mobileread.com/forums/sh...d.php?t=347820

Running on latest RasPi OS 64-bit; RPi 4B+ with 8GB RAM

Thoughts?
Last edited by sds910; 10-01-2022 at 06:55 PM.
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Old 10-01-2022, 10:20 PM   #2
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If you are getting the same segfault as in the other thread, then the only thoughts are present in that thread.
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Old 10-02-2022, 04:30 AM   #3
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Quote:
Originally Posted by kovidgoyal View Post
If you are getting the same segfault as in the other thread, then the only thoughts are present in that thread.
The only thoughts being maybe not enough RAM? No. There's 8GB here. The only other thought being huh? No idea.


Not exactly helpful.
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Old 10-02-2022, 04:40 AM   #4
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Originally Posted by sds910 View Post

Not exactly helpful.
Man, what an asshole I am, not being helpful to your highness. Qt is segfaulting on your Pi. I'm afraid you aren't paying me enough to debug Qt on your Pi for you.
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Old 10-02-2022, 06:30 AM   #5
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The QT team doesn't pay Kovid either. It's a QT issue, not Calibre.
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Old 10-02-2022, 07:41 AM   #6
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Wow. Straight from not entirely helpful to abusive... guess that makes you feel good about yourself. Whatever floats your boat, my friend.
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Old 10-02-2022, 12:13 PM   #7
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Quote:
Originally Posted by sds910 View Post
Wow. Straight from not entirely helpful to abusive... guess that makes you feel good about yourself. Whatever floats your boat, my friend.
Entitled Much???
How much did you PAY Kovid to abuse his product on a unsupported device?
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Old 10-02-2022, 09:18 PM   #8
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Quote:
Originally Posted by sds910 View Post
Fresh install on RPi 4; install seems to go ok; no error messages.
Start Calibre from the Desktop; welcome screen launches.
Program dies the second I attempt to select a folder for the library.

If I start from a command line, it exits with "Segmentation Fault" which seems to be the same as this problem: https://www.mobileread.com/forums/sh...d.php?t=347820

Running on latest RasPi OS 64-bit; RPi 4B+ with 8GB RAM
Quote:
Originally Posted by sds910 View Post
The only thoughts being maybe not enough RAM? No. There's 8GB here. The only other thought being huh? No idea.

Not exactly helpful.
Did you actually try the suggestions in the thread you referenced before indulging in snark?

Quote:
Originally Posted by kovidgoyal View Post
most likely your os is missing some required libraries. try running it in a terminal via

calibre-debug -g

and see if anything more useful is printed out.
Quote:
Originally Posted by kovidgoyal View Post
then try getting a backtrace with

echo bt | coredumpctl gdb
Quote:
Originally Posted by kovidgoyal View Post
That's a segfault inside Qt's xcb backend. Anything unusual about your X server?
There seem to be quite a bit more than @gbm's suggestion that there was too little RAM in that thread.

I'm not sure where you got "huh?" from unless you were perhaps referring to:

Quote:
Originally Posted by kovidgoyal View Post
Hmm well it might be VNC related, other than that I don't have any bright ideas.
Did you try running with a monitor, keyboard and mouse connected to your Pi4 to see if VNC might be part of the issue? Did you try running calibre as root to eliminate most permissions issues?
Last edited by DNSB; 10-02-2022 at 09:26 PM.
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