[X2go-Dev] KDE applications causing session crash with latest builds

[Mike Gabriel]

Hi,

On So 22 Jan 2012 00:47:21 CET Mike Gabriel wrote:

> Hi Stefan, hi all,
>
> On Sa 21 Jan 2012 23:12:25 CET "newsgroups.mail2 at stefanbaur.de" wrote:
>
>> Hi list,
>>
>> after upgrading to the latest Debian packages, I can no longer run   
>> KDE applications in rootless mode - neither with NX nor with X2Go.
>>
>> Steps to reproduce:
>> 1. Run Terminal as single application (not in a full-blown desktop  
>> -  everything works fine there)
>> 2. Type: kdialog --yesno "Test"
>> 3. Session will crash
>
> I can reproduce this with squeeze as X2Go server and Ubuntu lucid as  
>  client system (PyHoca-GUI).

and here are the last line of an strace output just before the crash occurs...


Greets,
Mike

"""
[...]
open("/usr/lib/libtiff.so.4", O_RDONLY) = 10
read(10,  
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0P\200\0\0\0\0\0\0"...,  
832) = 832
fstat(10, {st_mode=S_IFREG|0644, st_size=404936, ...}) = 0
mmap(NULL, 2501224, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE,  
10, 0) = 0x7f2d43abe000
mprotect(0x7f2d43b1f000, 2093056, PROT_NONE) = 0
mmap(0x7f2d43d1e000, 12288, PROT_READ|PROT_WRITE,  
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 10, 0x60000) = 0x7f2d43d1e000
close(10)                               = 0
munmap(0x7f2d51dbd000, 131065)          = 0
lseek(9, 0, SEEK_SET)                   = 0
close(9)                                = 0
poll([{fd=7, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=7, revents=POLLOUT}])
writev(7,  
[{"\22\0\f\0\34\0\200\0'\0\0\0\3\1\0\0\10\0\0\0\27\0\0\0Frage  
\33%"..., 252},  
{"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,  
16384}, {"", 0}], 3) = 16636
lstat("/var/tmp/kdecache-mike/kpc/kde-icon-cache.lock",  
0x7fff1401d130) = -1 ENOENT (No such file or directory)
stat("/tmp/kde-mike/", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
stat("/var/tmp/kdecache-mike/kpc", {st_mode=S_IFDIR|0700,  
st_size=4096, ...}) = 0
open("/var/tmp/kdecache-mike/kpc/kde-icon-cache.lock.k24836",  
O_RDWR|O_CREAT|O_EXCL|O_CLOEXEC, 0600) = 9
fcntl(9, F_SETFD, FD_CLOEXEC)           = 0
fchmod(9, 0644)                         = 0
uname({sys="Linux", node="fylgja.das-netzwerkteam.de", ...}) = 0
fstat(9, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
write(9, "24836\n", 6)                  = 6
write(9, "kdialog\n", 8)                = 8
write(9, "fylgja.das-netzwerkteam.de\n", 27) = 27
link("/var/tmp/kdecache-mike/kpc/kde-icon-cache.lock.k24836",  
"/var/tmp/kdecache-mike/kpc/kde-icon-cache.lock") = 0
lstat("/var/tmp/kdecache-mike/kpc/kde-icon-cache.lock.k24836",  
{st_mode=S_IFREG|0644, st_size=41, ...}) = 0
lstat("/var/tmp/kdecache-mike/kpc/kde-icon-cache.lock",  
{st_mode=S_IFREG|0644, st_size=41, ...}) = 0
lseek(9, 0, SEEK_SET)                   = 0
close(9)                                = 0
unlink("/var/tmp/kdecache-mike/kpc/kde-icon-cache.lock.k24836") = 0
stat("/var/tmp/kdecache-mike/kpc/kde-icon-cache.data",  
{st_mode=S_IFREG|0644, st_size=16240640, ...}) = 0
stat("/var/tmp/kdecache-mike/kpc/kde-icon-cache.data",  
{st_mode=S_IFREG|0644, st_size=16240640, ...}) = 0
stat("/var/tmp/kdecache-mike/kpc/kde-icon-cache.data",  
{st_mode=S_IFREG|0644, st_size=16240640, ...}) = 0
stat("/var/tmp/kdecache-mike/kpc/kde-icon-cache.data",  
{st_mode=S_IFREG|0644, st_size=16240640, ...}) = 0
stat("/var/tmp/kdecache-mike/kpc/kde-icon-cache.data",  
{st_mode=S_IFREG|0644, st_size=16240640, ...}) = 0
poll([{fd=7, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=7, revents=POLLOUT}])
writev(7,  
[{"<\0\2\0#\0\200\0I\2\5\0!\0\200\0\0\0\0\0@\0@\0\377\377\377\377",  
28}, {NULL, 0}, {"", 0}], 3) = 28
poll([{fd=7, events=POLLIN}], 1, -1)    = 1 ([{fd=7,  
revents=POLLIN|POLLERR|POLLHUP}])
read(7, 0x8ece04, 4096)                 = -1 ECONNRESET (Connection  
reset by peer)
write(2, "kdialog: Fatal IO error: client "..., 39kdialog: Fatal IO  
error: client killed
) = 39
munmap(0x7f2d4817e000, 4296704)         = 0
munmap(0x7f2d47201000, 16240640)        = 0
writev(8,  
[{"l\1\1\1d\0\0\0\t\0\0\0\177\0\0\0\1\1o\0\25\0\0\0/org/fre"..., 144},  
{"_\0\0\0type='signal',path='/KGlobal"..., 100}], 2) = 244
close(8)                                = 0
write(6, "@", 1)                        = 1
close(6)                                = 0
close(5)                                = 0
rt_sigaction(SIGCHLD, {SIG_DFL, [], SA_RESTORER|SA_NOCLDSTOP,  
0x7f2d4ed4d1e0}, {0x7f2d501c3ef0, [], SA_RESTORER|SA_NOCLDSTOP,  
0x7f2d4ed4d1e0}, 8) = 0
exit_group(1)                           = ?
"""

-- 

DAS-NETZWERKTEAM
mike gabriel, dorfstr. 27, 24245 barmissen
fon: +49 (4302) 281418, fax: +49 (4302) 281419

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mail: mike.gabriel at das-netzwerkteam.de, http://das-netzwerkteam.de

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