[KPhotoAlbum] KPhotoAlbum crashes while generating thumbnails during start

[Manfred Usselmann]

Am 01.05.2013 06:31, schrieb Miika Turkia: 

> On Tue, Apr 30, 2013
at 11:41 PM, Manfred Usselmann <usselmann.m at icg-online.de> wrote:
> 
>>>
* KPhotoAlbum is insanely searching for icon "file-broken" (png, svg and
possibly some other versions of it). At least on my system this occurs
and renders KPA useless. I did not find any package providing such an
icon, but a quick hack to just create an empty file with such name gets
KPA functioning properly (sudo touch
/usr/share/icons/oxygen/8x8/emblems/file-broken.png). Of course I cannot
test with Manfred's images, but at least the empty index.xml file loads.

>>> - KPA should be fixed to handle the case when broken image icon is
not found
>> 
>> For now I'm using the workaround to create
file-broken.png, but it seems there is already a fix in the development
version. Thanks... 
>> But something is still wrong even when
/usr/share/icons/oxygen/8x8/emblems/file-broken.png exists, KPA is still
very slow opening the detail view and switching between pictures and
also going back to Home. Maybe it's looking for different icons besides
file-broken.png? Or I need to use a different folder than the one
mentioned above?
> 
> You could run strace to see what is so slow. Run
the KPA from a terminal with the command strace in front: 
> strace
kphotoalbum
> 
> It will print out a lot of information about system
calls that are called and slows everything down somewhat. When you do
action that takes too long, see what is being written on the terminal.
If there is e.g. plenty of attempts to open some image file from
different directories, that is probably causing the slow down.

Thanks
for mentioning strace, I didn't know this utility. During the delays the
following is displayed: 

poll([{fd=6, events=POLLIN|POLLOUT}], 1,
4294967295) = 1 ([{fd=6, revents=POLLOUT}])
writev(6,
[{"(421700534072222644", 16}, {NULL, 0}, {"", 0}], 3) = 16
poll([{fd=6,
events=POLLIN}], 1, 4294967295) = 1 ([{fd=6,
revents=POLLIN}])
recvfrom(6, "11254rs#", 4096, 0, NULL, NULL) =
32
recvfrom(6, 0x15a1614, 4096, 0, 0, 0) = -1 EAGAIN (Resource
temporarily unavailable)
recvfrom(6, 0x15a1614, 4096, 0, 0, 0) = -1
EAGAIN (Resource temporarily unavailable)
poll([{fd=6,
events=POLLIN|POLLOUT}], 1, 4294967295) = 1 ([{fd=6,
revents=POLLOUT}])
writev(6, [{"240053407@", 16}, {NULL, 0}, {"", 0}],
3) = 16
recvfrom(6, 0x15a1614, 4096, 0, 0, 0) = -1 EAGAIN (Resource
temporarily unavailable)
poll([{fd=6, events=POLLIN|POLLOUT}], 1,
4294967295) = 1 ([{fd=6, revents=POLLOUT}])
writev(6,
[{"(42170053407U2224", 16}, {NULL, 0}, {"", 0}], 3) = 16
poll([{fd=6,
events=POLLIN}], 1, 4294967295) = 1 ([{fd=6,
revents=POLLIN}])
recvfrom(6, "11256r0061", 4096, 0, NULL, NULL) =
32
recvfrom(6, 0x15a1614, 4096, 0, 0, 0) = -1 EAGAIN (Resource
temporarily unavailable)
recvfrom(6, 0x15a1614, 4096, 0, 0, 0) = -1
EAGAIN (Resource temporarily unavailable)
poll([{fd=6,
events=POLLIN|POLLOUT}], 1, 4294967295) = 1 ([{fd=6,
revents=POLLOUT}])
writev(6, [{"240053407@", 16}, {NULL, 0}, {"", 0}],
3) = 16
recvfrom(6, 0x15a1614, 4096, 0, 0, 0) = -1 EAGAIN (Resource
temporarily unavailable)
recvfrom(6, 0x15a1614, 4096, 0, 0, 0) = -1
EAGAIN (Resource temporarily unavailable)
recvfrom(6, 0x15a1614, 4096,
0, 0, 0) = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=6,
events=POLLIN|POLLOUT}], 1, 4294967295) = 1 ([{fd=6,
revents=POLLOUT}])
writev(6, [{"(42170053407N2154", 16}, {NULL, 0}, {"",
0}], 3) = 16
poll([{fd=6, events=POLLIN}], 1, 4294967295) = 1 ([{fd=6,
revents=POLLIN}])
recvfrom(6, "11260r/374377", 4096, 0, NULL, NULL) =
32
recvfrom(6, 0x15a1614, 4096, 0, 0, 0) = -1 EAGAIN (Resource
temporarily unavailable)
recvfrom(6, 0x15a1614, 4096, 0, 0, 0) = -1
EAGAIN (Resource temporarily unavailable)
poll([{fd=6,
events=POLLIN|POLLOUT}], 1, 4294967295) = 1 ([{fd=6,
revents=POLLOUT}])
writev(6, [{"(4217333407N2154", 16}, {NULL, 0}, {"",
0}], 3) = 16
poll([{fd=6, events=POLLIN}], 1, 4294967295) = 1 ([{fd=6,
revents=POLLIN}])
recvfrom(6, "11261r/374377", 4096, 0, NULL, NULL) =
32
recvfrom(6, 0x15a1614, 4096, 0, 0, 0) = -1 EAGAIN (Resource
temporarily unavailable)
recvfrom(6, 0x15a1614, 4096, 0, 0, 0) = -1
EAGAIN (Resource temporarily unavailable)
poll([{fd=6,
events=POLLIN|POLLOUT}], 1, 4294967295) = 1 ([{fd=6,
revents=POLLOUT}])
writev(6, [{"&2217", 8}, {NULL, 0}, {"", 0}], 3) =
8
poll([{fd=6, events=POLLIN}], 1, 4294967295) = 1 ([{fd=6,
revents=POLLIN}])
recvfrom(6, "11262r21730425630014200044200420", 4096,
0, NULL, NULL) = 32
recvfrom(6, 0x15a1614, 4096, 0, 0, 0) = -1 EAGAIN
(Resource temporarily unavailable)
recvfrom(6, 0x15a1614, 4096, 0, 0, 0)
= -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=6,
events=POLLIN|POLLOUT}], 1, 4294967295) = 1 ([{fd=6,
revents=POLLOUT}])
writev(6, [{"+1", 4}, {NULL, 0}, {"", 0}], 3) =
4
poll([{fd=6, events=POLLIN}], 1, 4294967295) = 1 ([{fd=6,
revents=POLLIN}])
recvfrom(6, "11263r333407", 4096, 0, NULL, NULL) =
32
recvfrom(6, 0x15a1614, 4096, 0, 0, 0) = -1 EAGAIN (Resource
temporarily unavailable)
recvfrom(6, 0x15a1614, 4096, 0, 0, 0) = -1
EAGAIN (Resource temporarily unavailable)
recvfrom(6, 0x15a1614, 4096,
0, 0, 0) = -1 EAGAIN (Resource temporarily unavailable)
recvfrom(6,
0x15a1614, 4096, 0, 0, 0) = -1 EAGAIN (Resource temporarily
unavailable)
recvfrom(6, 0x15a1614, 4096, 0, 0, 0) = -1 EAGAIN (Resource
temporarily unavailable)
recvfrom(6, 0x15a1614, 4096, 0, 0, 0) = -1
EAGAIN (Resource temporarily unavailable)
write(3, "1", 8) =
8
poll([{fd=6, events=POLLIN|POLLOUT}], 1, 4294967295) = 1 ([{fd=6,
revents=POLLOUT}])
writev(6, [{"246333407^144", 24}, {NULL, 0}, {"",
0}], 3) = 24
poll([{fd=6, events=POLLIN}], 1, 4294967295) = 1 ([{fd=6,
revents=POLLIN}])
recvfrom(6, "1 264r141"..., 4096, 0, NULL, NULL) =
36
recvfrom(6, 0x15a1614, 4096, 0, 0, 0) = -1 EAGAIN (Resource
temporarily unavailable)
recvfrom(6, 0x15a1614, 4096, 0, 0, 0) = -1
EAGAIN (Resource temporarily unavailable) 
Manfred 
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