[kdialog] [Bug 363185] file selection dialog very slow when samba shares are not present

[Frederick Zhang]

https://bugs.kde.org/show_bug.cgi?id=363185

--- Comment #8 from Frederick Zhang  ---
And by the way, even the application launcher would lag if you have any files
from a samba share in the history tab...

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[kdialog] [Bug 363185] file selection dialog very slow when samba shares are not present

[Frederick Zhang]

https://bugs.kde.org/show_bug.cgi?id=363185

--- Comment #7 from Frederick Zhang  ---
And actually Kdialog and Dolphin often cause my sleeping disks to be spun up,
which is a bit irritating...

So can we 1. avoiding scanning network drives for any info unless needed 2.
asynchronously load info of network drives, so it won't block the UI?

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[kdialog] [Bug 363185] file selection dialog very slow when samba shares are not present

[Frederick Zhang]

https://bugs.kde.org/show_bug.cgi?id=363185

Frederick Zhang  changed:

   What|Removed |Added

 CC||frederick...@gmail.com

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[kdialog] [Bug 363185] file selection dialog very slow when samba shares are not present

[Toni Asensi Esteve]

https://bugs.kde.org/show_bug.cgi?id=363185

Toni Asensi Esteve  changed:

   What|Removed |Added

 Status|UNCONFIRMED |CONFIRMED
 Ever confirmed|0   |1

--- Comment #6 from Toni Asensi Esteve  ---
*** This bug has been confirmed by popular vote. ***

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[kdialog] [Bug 363185] file selection dialog very slow when samba shares are not present

[Andrey Bondarenko]

https://bugs.kde.org/show_bug.cgi?id=363185

Andrey Bondarenko  changed:

   What|Removed |Added

 CC||abon...@mail.ru

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[kdialog] [Bug 363185] file selection dialog very slow when samba shares are not present

[Stefanos Harhalakis]

https://bugs.kde.org/show_bug.cgi?id=363185

Stefanos Harhalakis  changed:

   What|Removed |Added

 CC||v...@v13.gr

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[kdialog] [Bug 363185] file selection dialog very slow when samba shares are not present

[Anton Latuha]

https://bugs.kde.org/show_bug.cgi?id=363185

--- Comment #5 from Anton Latuha  ---
People please vote for this bug.

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[kdialog] [Bug 363185] file selection dialog very slow when samba shares are not present

[Anton Latuha]

https://bugs.kde.org/show_bug.cgi?id=363185

Anton Latuha  changed:

   What|Removed |Added

 CC||piroxil...@gmail.com

--- Comment #4 from Anton Latuha  ---
Somebody, please take notice.

My additional information.
In Firefox it loads eventually, after ~30 seconds, in Chromium seems completely
not.

And I do have disconnected NFS now.

Dolphin also freezes completely, when I click that NFS folder.

It is also reported for Kdialog in:
Bug 323650
Bug 340584
Bug 354694
Bug 340584

And in Kfile Bug 320560
And in Dolphin Bug 357509

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[kdialog] [Bug 363185] file selection dialog very slow when samba shares are not present

[Romain Bazile]

https://bugs.kde.org/show_bug.cgi?id=363185

Romain Bazile  changed:

   What|Removed |Added

   See Also||https://bugs.kde.org/show_b
   ||ug.cgi?id=320560

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[kdialog] [Bug 363185] file selection dialog very slow when samba shares are not present

[Romain Bazile]

https://bugs.kde.org/show_bug.cgi?id=363185

Romain Bazile  changed:

   What|Removed |Added

 CC||grom...@hotmail.com

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[kdialog] [Bug 363185] file selection dialog very slow when samba shares are not present

[Romain Bazile]

https://bugs.kde.org/show_bug.cgi?id=363185

Romain Bazile  changed:

   What|Removed |Added

   See Also||https://bugs.kde.org/show_b
   ||ug.cgi?id=323650

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[kdialog] [Bug 363185] file selection dialog very slow when samba shares are not present

[Romain Bazile]

https://bugs.kde.org/show_bug.cgi?id=363185

Romain Bazile  changed:

   What|Removed |Added

   Severity|crash   |major

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[kdialog] [Bug 363185] file selection dialog very slow when samba shares are not present

[Romain Bazile]

https://bugs.kde.org/show_bug.cgi?id=363185

Romain Bazile  changed:

   What|Removed |Added

Product|kfile   |kdialog
  Component|general |general
Version|unspecified |1.0

--- Comment #3 from Romain Bazile  ---
I changed the concerned module. The problem can be reproduced by calling
'kdialog  --getopenfilename'.
Also, I ran an strace on the call.
A lot of calls are made and are all the same.

More specifically this sequence is repeated continuously:
ioctl(10, FIONREAD, [32])   = 0 <0.21>
read(10, "\2\0\0\0\2\0\0\0\0\0\0\0\20\0\0\0logkdialog2\0\0\0\0\0", 32) = 32
<0.23>
recvmsg(6, {msg_namelen=0}, 0)  = -1 EAGAIN (Resource temporarily
unavailable) <0.23>
poll([{fd=3, events=POLLIN}, {fd=6, events=POLLIN}, {fd=7, events=POLLIN},
{fd=8, events=POLLIN}, {fd=10, events=POLLIN}, {fd=11, events=POLLIN}, {fd=13,
events=POLLPRI}, {fd=14, events=POLLIN}, {fd=16, events=POLLIN}, {fd=17,
events=POLLIN}, {fd=18, events=POLLIN}], 11, 0) = 1 ([{fd=10, revents=POLLIN}])
<0.28>
recvmsg(6, {msg_namelen=0}, 0)  = -1 EAGAIN (Resource temporarily
unavailable) <0.22>


If the calls are counted I get this results:
% time seconds  usecs/call callserrors syscall
-- --- --- - - 
 30.910.17   0  1213   821 recvmsg
 27.270.15   8 2   wait4
 20.000.11   0  2099   206 stat
 10.910.06   0   652   fstat
 10.910.06   0  2806  1650 access

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