another broken pipe

bambuko · 02-01-2015, 05:29 PM

Not always, but very often when starting Calibre I get the following message:

Code:

Starting up Calibre
/mnt/sdd1/Calibre
Using library at /mnt/sdd1/CalibreLibrary
Traceback (most recent call last):
  File "site-packages/calibre/gui2/splash.py", line 56, in run
  File "site-packages/calibre/gui2/splash.py", line 87, in _show_message
  File "site-packages/calibre/gui2/splash.py", line 84, in send
  File "site-packages/calibre/utils/ipc/__init__.py", line 19, in eintr_retry_call
IOError: [Errno 32] Broken pipe

and when I do get it, the Calibre usually crashes soon after starting.
Any suggestions please?

kovidgoyal · 02-01-2015, 06:40 PM

That indicates calibre could not communicate with the worker process that displays the splash screen. Turn off the splash screen in the Preferences->Look & Feel.

EDIT: note however, that if there is some fundamental underlying problem, this is unlikely to actually fix it.

bambuko · 02-02-2015, 04:37 AM

Thanks!
It always seems to be splash screen it stops at, so hopefully your suggestion will solve it and there is no underlaying problem...
The only "underlaying" I can think of is the fact that I am using Calibre as portable installation on usb HDD (with Library on the same usb HDD).

I will report after trying it without splash screen for a while.

EDIT:
well it didn't take too long...

it now crashed with:

Code:

/mnt/sdd1/calibre-portable.sh: line 222: 13469 Segmentation fault      
"`pwd`/calibre" --with-library "$CALIBRE_LIBRARY_DIRECTORY"

and another try:

Code:

/mnt/sdd1/calibre-portable.sh: line 222: 24423 Segmentation fault     
"`pwd`/calibre" --with-library "$CALIBRE_LIBRARY_DIRECTORY"

and looking at calibre-portable.sh: line 222

Code:

# original text: calibre --with-library "$CALIBRE_LIBRARY_DIRECTORY"
# below modified to make it portable
"`pwd`/calibre" --with-library "$CALIBRE_LIBRARY_DIRECTORY"

it looks like it might have been cause by the changes I have made

I have now double checked permissions on calibre and reverted back to the original

Code:

calibre --with-library "$CALIBRE_LIBRARY_DIRECTORY"

and I am still having segmentation faults

I am totally confused...

kovidgoyal · 02-02-2015, 06:33 AM

The underlying problem is that Qt is crashing on your system

You can get a backtrace using gdb to confirm that. Just google how to get a backtrace on whatever linux distro you are using.

bambuko · 02-02-2015, 06:57 AM

This is well beyond my knowledge level

but I will try

EDIT (on reflection):
If it is indeed QT crashing on my system, why doesn't it crash when I am running Calibre installed on PC HDD, only crashing when I am using portable installation on usb connected HD ?

kovidgoyal · 02-02-2015, 07:21 AM

Who knows, Qt is a sensitive beast. calibre itself is written in python,which doesn't crash (it's an interpreted language) so when a crash happens it is almost always in Qt. But, as I said, we need a backtrace to confirm that.

bambuko · 02-02-2015, 07:25 AM

Quote:

Originally Posted by kovidgoyal

... But, as I said, we need a backtrace to confirm that.

I am working on it - trying to educate myself, so it may take a bit longer

bambuko · 02-15-2015, 09:19 AM

Solved - changed distro (was thinking about doing it anyway and this problem made my mind

)
Now running in LinuxMint17.1 cinnamon and without any problems.

Thank you for your help

02-01-2015, 06:40 PM	#2
kovidgoyal creator of calibre Posts: 43,871 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	That indicates calibre could not communicate with the worker process that displays the splash screen. Turn off the splash screen in the Preferences->Look & Feel. EDIT: note however, that if there is some fundamental underlying problem, this is unlikely to actually fix it. Last edited by kovidgoyal; 02-01-2015 at 06:59 PM.

02-02-2015, 04:37 AM	#3
bambuko Connoisseur Posts: 62 Karma: 10 Join Date: Feb 2014 Device: Kobo mini, Kobo Clara HD	Thanks! It always seems to be splash screen it stops at, so hopefully your suggestion will solve it and there is no underlaying problem... The only "underlaying" I can think of is the fact that I am using Calibre as portable installation on usb HDD (with Library on the same usb HDD). I will report after trying it without splash screen for a while. EDIT: well it didn't take too long... it now crashed with: Code: /mnt/sdd1/calibre-portable.sh: line 222: 13469 Segmentation fault "`pwd`/calibre" --with-library "$CALIBRE_LIBRARY_DIRECTORY" and another try: Code: /mnt/sdd1/calibre-portable.sh: line 222: 24423 Segmentation fault "`pwd`/calibre" --with-library "$CALIBRE_LIBRARY_DIRECTORY" and looking at calibre-portable.sh: line 222 Code: # original text: calibre --with-library "$CALIBRE_LIBRARY_DIRECTORY" # below modified to make it portable "`pwd`/calibre" --with-library "$CALIBRE_LIBRARY_DIRECTORY" it looks like it might have been cause by the changes I have made I have now double checked permissions on calibre and reverted back to the original Code: calibre --with-library "$CALIBRE_LIBRARY_DIRECTORY" and I am still having segmentation faults I am totally confused... Last edited by bambuko; 02-02-2015 at 05:50 AM.

02-02-2015, 06:57 AM	#5
bambuko Connoisseur Posts: 62 Karma: 10 Join Date: Feb 2014 Device: Kobo mini, Kobo Clara HD	This is well beyond my knowledge level but I will try EDIT (on reflection): If it is indeed QT crashing on my system, why doesn't it crash when I am running Calibre installed on PC HDD, only crashing when I am using portable installation on usb connected HD ? Last edited by bambuko; 02-02-2015 at 07:10 AM.

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02-02-2015, 06:33 AM	#4
kovidgoyal creator of calibre Posts: 43,871 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	The underlying problem is that Qt is crashing on your system You can get a backtrace using gdb to confirm that. Just google how to get a backtrace on whatever linux distro you are using.

02-02-2015, 07:21 AM	#6
kovidgoyal creator of calibre Posts: 43,871 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Who knows, Qt is a sensitive beast. calibre itself is written in python,which doesn't crash (it's an interpreted language) so when a crash happens it is almost always in Qt. But, as I said, we need a backtrace to confirm that.

02-15-2015, 09:19 AM	#8
bambuko Connoisseur Posts: 62 Karma: 10 Join Date: Feb 2014 Device: Kobo mini, Kobo Clara HD	Solved - changed distro (was thinking about doing it anyway and this problem made my mind ) Now running in LinuxMint17.1 cinnamon and without any problems. Thank you for your help

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