Ardour Segmentation fault- won't start at all!

Alexandros Bitoulas albitoulas at yahoo.gr
Mon May 30 06:41:59 UTC 2011


Goodmorning,

I made a memtest all night but it found no errors to my memories.

Also there are these files in the /dev/shm folder. Could you explain why should 
I remove all pusle files? Do they cause any conflict with the programm?  

alex at Kubuntu-pc:/dev/shm$ ls
libv4l-alex:usb-0000:00:04.0-1:093a:2460:CIF Single Chip          
pulse-shm-3932302597       pulse-shm-2471209672                                     
pulse-shm-927429857         pulse-shm-269307697                                            
pulse-shm-949059306
alex at Kubuntu-pc:/dev/shm$ 

Furthermore, I get this on my terminal when I run qjack and it runs perfectly. 
Can you find something suspicious here?

alex at Kubuntu-pc:~$ qjackctl 
QInotifyFileSystemWatcherEngine::addPaths: inotify_add_watch failed: No such 
file or directory
QFileSystemWatcher: failed to add paths: /home/alex/.config/ibus/bus

Finally, (sorry for the long text!) I paste this text among others which I get 
when I run "strace ardour2". Could somebody assess all this information?

open("/usr/share/themes/Raleigh/gtk-2.0/gtkrc", O_RDONLY) = 8
read(8, "#\n# This theme is the default th"..., 4000) = 69
read(8, "", 4000)                       = 0
close(8)                                = 0
access("/usr/share/themes/Raleigh/gtk-2.0/gtkrc.en_US", F_OK) = -1 ENOENT (No 
such file or directory)
access("/usr/share/themes/Raleigh/gtk-2.0/gtkrc.en", F_OK) = -1 ENOENT (No 
such file or directory)
open("/home/alex/.icons/default/cursors/bottom_right_corner", O_RDONLY) = -1 
ENOENT (No such file or directory)
open("/home/alex/.icons/default/index.theme", O_RDONLY) = -1 ENOENT (No such 
file or directory)
open("/usr/share/icons/default/cursors/bottom_right_corner", O_RDONLY) = -1 
ENOENT (No such file or directory)
open("/usr/share/icons/default/index.theme", O_RDONLY) = 8
fstat(8, {st_mode=S_IFREG|0644, st_size=108, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 
0x7f661802c000
read(8, "[Icon Theme]\nName = Oxygen White"..., 4096) = 108
close(8)                                = 0
munmap(0x7f661802c000, 4096)            = 0
open("/usr/share/pixmaps/default/cursors/bottom_right_corner", O_RDONLY) = -1 
ENOENT (No such file or directory)
open("/home/alex/.icons/oxy-white/cursors/bottom_right_corner", O_RDONLY) = -1 
ENOENT (No such file or directory)
open("/home/alex/.icons/oxy-white/index.theme", O_RDONLY) = -1 ENOENT (No such 
file or directory)
open("/usr/share/icons/oxy-white/cursors/bottom_right_corner", O_RDONLY) = -1 
ENOENT (No such file or directory)
open("/usr/share/icons/oxy-white/index.theme", O_RDONLY) = 8
fstat(8, {st_mode=S_IFREG|0644, st_size=87, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 
0x7f661802c000
read(8, "[Icon Theme]\nName = Oxygen White"..., 4096) = 87
read(8, "", 4096)                       = 0
close(8)                                = 0
munmap(0x7f661802c000, 4096)            = 0
open("/usr/share/pixmaps/oxy-white/cursors/bottom_right_corner", O_RDONLY) = 
-1 ENOENT (No such file or directory)
open("/usr/share/pixmaps/oxy-white/index.theme", O_RDONLY) = -1 ENOENT (No 
such file or directory)
open("/home/alex/.icons/default/cursors/bottom_right_corner", O_RDONLY) = -1 
ENOENT (No such file or directory)
open("/home/alex/.icons/default/index.theme", O_RDONLY) = -1 ENOENT (No such 
file or directory)
open("/usr/share/icons/default/cursors/bottom_right_corner", O_RDONLY) = -1 
ENOENT (No such file or directory)
open("/usr/share/icons/default/index.theme", O_RDONLY) = 8
fstat(8, {st_mode=S_IFREG|0644, st_size=108, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 
0x7f661802c000
read(8, "[Icon Theme]\nName = Oxygen White"..., 4096) = 108
close(8)                                = 0
munmap(0x7f661802c000, 4096)            = 0
open("/usr/share/pixmaps/default/cursors/bottom_right_corner", O_RDONLY) = -1 
ENOENT (No such file or directory)
open("/home/alex/.icons/oxy-white/cursors/bottom_right_corner", O_RDONLY) = -1 
ENOENT (No such file or directory)
open("/home/alex/.icons/oxy-white/index.theme", O_RDONLY) = -1 ENOENT (No such 
file or directory)
open("/usr/share/icons/oxy-white/cursors/bottom_right_corner", O_RDONLY) = -1 
ENOENT (No such file or directory)
open("/usr/share/icons/oxy-white/index.theme", O_RDONLY) = 8
fstat(8, {st_mode=S_IFREG|0644, st_size=87, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 
0x7f661802c000
read(8, "[Icon Theme]\nName = Oxygen White"..., 4096) = 87
read(8, "", 4096)                       = 0
close(8)                                = 0
munmap(0x7f661802c000, 4096)            = 0
open("/usr/share/pixmaps/oxy-white/cursors/bottom_right_corner", O_RDONLY) = 
-1 ENOENT (No such file or directory)
open("/usr/share/pixmaps/oxy-white/index.theme", O_RDONLY) = -1 ENOENT (No 
such file or directory)
brk(0x28dc000)                          = 0x28dc000
brk(0x28fd000)                          = 0x28fd000
brk(0x28fc000)                          = 0x28fc000
brk(0x291d000)                          = 0x291d000
fstat(3, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0
fcntl(3, F_GETFL)                       = 0x800 (flags O_RDONLY|O_NONBLOCK)
brk(0x2940000)                          = 0x2940000
open("/usr/share/locale/en_US.UTF-8/LC_MESSAGES/libgtkmm2ext.mo", O_RDONLY) = 
-1 ENOENT (No such file or directory)
open("/usr/share/locale/en_US.utf8/LC_MESSAGES/libgtkmm2ext.mo", O_RDONLY) = 
-1 ENOENT (No such file or directory)
open("/usr/share/locale/en_US/LC_MESSAGES/libgtkmm2ext.mo", O_RDONLY) = -1 
ENOENT (No such file or directory)
open("/usr/share/locale/en.UTF-8/LC_MESSAGES/libgtkmm2ext.mo", O_RDONLY) = -1 
ENOENT (No such file or directory)
open("/usr/share/locale/en.utf8/LC_MESSAGES/libgtkmm2ext.mo", O_RDONLY) = -1 
ENOENT (No such file or directory)
open("/usr/share/locale/en/LC_MESSAGES/libgtkmm2ext.mo", O_RDONLY) = -1 ENOENT 
(No such file or directory)
open("/usr/share/locale-langpack/en_US.UTF-8/LC_MESSAGES/libgtkmm2ext.mo", 
O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale-langpack/en_US.utf8/LC_MESSAGES/libgtkmm2ext.mo", 
O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale-langpack/en_US/LC_MESSAGES/libgtkmm2ext.mo", O_RDONLY) 
= -1 ENOENT (No such file or directory)
open("/usr/share/locale-langpack/en.UTF-8/LC_MESSAGES/libgtkmm2ext.mo", 
O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale-langpack/en.utf8/LC_MESSAGES/libgtkmm2ext.mo", 
O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale-langpack/en/LC_MESSAGES/libgtkmm2ext.mo", O_RDONLY) = 
-1 ENOENT (No such file or directory)
open("/dev/urandom", O_RDONLY)          = 8
read(8, "\314\361\313\365\264\24\2173\347\343}\212\220\217-D", 16) = 16
close(8)                                = 0
poll([{fd=5, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=5, revents=POLLOUT}])
writev(5, [{"\4\0\2\0+\0\340\0035\10\4\0,
\0\340\3\3\0\340\3\1\0\1\0\231\4\5\0-\0\340\3"..., 324}, {NULL, 0}, {"", 0}], 
3) = 324
poll([{fd=5, events=POLLIN}], 1, -1)    = 1 ([{fd=5, revents=POLLIN}])
read(5, 
"\21\0\335\0\3\0\340\3\3\0\340\3\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 
4096) = 544
read(5, 0x27f0ae4, 4096)                = -1 EAGAIN (Resource temporarily 
unavailable)
poll([{fd=5, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=5, revents=POLLOUT}])
writev(5, [{"\224\10\7\0\0\1G\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\5\0", 28}, 
{NULL, 0}, {"", 0}], 3) = 28
poll([{fd=5, events=POLLIN}], 1, -1)    = 1 ([{fd=5, revents=POLLIN}])
read(5, 
"\1\3\341\0y\5\0\0\0\0\10\377G\0\0\31\31\10V\2\370\0\0\0\0\0\0\0\0\0\0\10"..., 
4096) = 4096
read(5, 
"\0\0\0\0\1\1\1\0\261\0\0\0\5\0\0\0\1\2\2\0\23\377\0\0k\377\0\0\0\0\0\0"..., 
1540) = 1540
read(5, 0x27f0ae4, 4096)                = -1 EAGAIN (Resource temporarily 
unavailable)
read(5, 0x27f0ae4, 4096)                = -1 EAGAIN (Resource temporarily 
unavailable)
poll([{fd=5, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=5, revents=POLLOUT}])
writev(5, [{"\224\21\3\0\3\0G\0\0\30\0\0", 12}, {NULL, 0}, {"", 0}], 3) = 12
poll([{fd=5, events=POLLIN}], 1, -1)    = 1 ([{fd=5, revents=POLLIN}])
read(5, 
"\1\3\342\0\17\0\0\0\0\30\0\0\10\377\31\3\377\37\10\370\0\0\0\0\0\0\0\0\0\0\0\0"..., 
4096) = 92
read(5, 0x27f0ae4, 4096)                = -1 EAGAIN (Resource temporarily 
unavailable)
read(5, 0x27f0ae4, 4096)                = -1 EAGAIN (Resource temporarily 
unavailable)
poll([{fd=5, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=5, revents=POLLOUT}])
writev(5, [{"\20\0\3\0\4\0G\0Meta", 12}, {NULL, 0}, {"", 0}], 3) = 12
poll([{fd=5, events=POLLIN}], 1, -1)    = 1 ([{fd=5, revents=POLLIN}])
read(5, 
"\1\0\343\0\0\0\0\0\217\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 4096) 
= 32
read(5, 0x27f0ae4, 4096)                = -1 EAGAIN (Resource temporarily 
unavailable)
read(5, 0x27f0ae4, 4096)                = -1 EAGAIN (Resource temporarily 
unavailable)
poll([{fd=5, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=5, revents=POLLOUT}])
writev(5, [{"\20\0\4\0\5\0G\0Super\0\0\0", 16}, {NULL, 0}, {"", 0}], 3) = 16
poll([{fd=5, events=POLLIN}], 1, -1)    = 1 ([{fd=5, revents=POLLIN}])
read(5, 
"\1\0\344\0\0\0\0\0\220\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 4096) 
= 32
read(5, 0x27f0ae4, 4096)                = -1 EAGAIN (Resource temporarily 
unavailable)
read(5, 0x27f0ae4, 4096)                = -1 EAGAIN (Resource temporarily 
unavailable)
poll([{fd=5, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=5, revents=POLLOUT}])
writev(5, [{"\20\0\4\0\5\0G\0Hyper\0\0\0", 16}, {NULL, 0}, {"", 0}], 3) = 16
poll([{fd=5, events=POLLIN}], 1, -1)    = 1 ([{fd=5, revents=POLLIN}])
read(5, 
"\1\0\345\0\0\0\0\0\221\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 4096) 
= 32
read(5, 0x27f0ae4, 4096)                = -1 EAGAIN (Resource temporarily 
unavailable)
read(5, 0x27f0ae4, 4096)                = -1 EAGAIN (Resource temporarily 
unavailable)
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
+++ killed by SIGSEGV +++
Segmentation fault


Thank you all, 

Alex


On Monday 30 of May 2011 00:38:47 Pablo Fernández wrote:
> > Thanks guys, but this doesn't either solves the problem. I have
> > purged-removed and installed again, but nothing.
> > 
> > I will try a memtest...
> 
> Hi,
> 
> Also, take a look at /dev/shm
> 
> ls -l /dev/shm
> 
> You might need a
> 
> rm -f /dev/shm/pulse*
> 
> Cheers, Pablo



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