On one box everything works fine, kde4 factory installed.
On this box at the same level I see the problem as "root" so far with
qjackctl and VirtualBox. Doing strace, it gets to the futex line and
nothing else happens.
Doing "strace -s 256 -f <app>"
qjackctl
==========
stat("/root/.kde4/share/config/kdeglobals", {st_mode=S_IFREG|0600,
st_size=633, ...}) = 0
open("/root/.kde4/share/config/kdeglobals", O_RDONLY) = 8
fcntl(8, F_SETFD, FD_CLOEXEC) = 0
stat("/root/.kde4/share/config/kdeglobals", {st_mode=S_IFREG|0600,
st_size=633, ...}) = 0
stat("/root/.kde4/share/config/kdeglobals", {st_mode=S_IFREG|0600,
st_size=633, ...}) = 0
stat("/root/.kde4/share/config/kdeglobals", {st_mode=S_IFREG|0600,
st_size=633, ...}) = 0
fstat(8, {st_mode=S_IFREG|0600, st_size=633, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7fc021415000
read(8, "[$Version]\nupdate_info=kwin.upd:"..., 4096) = 633
read(8, "", 4096) = 0
close(8) = 0
munmap(0x7fc021415000, 4096) = 0
stat("/root/.kde4/share/config/oxygenrc", 0x7fff29471130) = -1 ENOENT
(No such file or directory)
stat("/usr/share/kde4/config/oxygenrc", 0x7fff29471130) = -1 ENOENT (No
such file or directory)
stat("/etc/kde4/share/config/oxygenrc", {st_mode=S_IFREG|0644,
st_size=55, ...}) = 0
stat("/etc/kde4/share/config/oxygenrc", {st_mode=S_IFREG|0644,
st_size=55, ...}) = 0
stat("/etc/kde4/share/config/oxygenrc", {st_mode=S_IFREG|0644,
st_size=55, ...}) = 0
stat("/etc", {st_mode=S_IFDIR|0755, st_size=24576, ...}) = 0
lstat("/etc", {st_mode=S_IFDIR|0755, st_size=24576, ...}) = 0
stat("/etc/kde4", {st_mode=S_IFDIR|0755, st_size=28, ...}) = 0
lstat("/etc/kde4", {st_mode=S_IFDIR|0755, st_size=28, ...}) = 0
stat("/etc/kde4/share", {st_mode=S_IFDIR|0755, st_size=30, ...}) = 0
lstat("/etc/kde4/share", {st_mode=S_IFDIR|0755, st_size=30, ...}) = 0
stat("/etc/kde4/share/config", {st_mode=S_IFDIR|0755, st_size=4096,
...}) = 0
lstat("/etc/kde4/share/config", {st_mode=S_IFDIR|0755, st_size=4096,
...}) = 0
stat("/etc/kde4/share/config/oxygenrc", {st_mode=S_IFREG|0644,
st_size=55, ...}) = 0
lstat("/etc/kde4/share/config/oxygenrc", {st_mode=S_IFREG|0644,
st_size=55, ...}) = 0
stat("/etc/kde4/share/config/oxygenrc", {st_mode=S_IFREG|0644,
st_size=55, ...}) = 0
stat("/etc/kde4/share/config/oxygenrc", {st_mode=S_IFREG|0644,
st_size=55, ...}) = 0
open("/etc/kde4/share/config/oxygenrc", O_RDONLY) = 8
fcntl(8, F_SETFD, FD_CLOEXEC) = 0
stat("/etc/kde4/share/config/oxygenrc", {st_mode=S_IFREG|0644,
st_size=55, ...}) = 0
stat("/etc/kde4/share/config/oxygenrc", {st_mode=S_IFREG|0644,
st_size=55, ...}) = 0
stat("/etc/kde4/share/config/oxygenrc", {st_mode=S_IFREG|0644,
st_size=55, ...}) = 0
fstat(8, {st_mode=S_IFREG|0644, st_size=55, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7fc021415000
read(8, "[Windeco]\nBlendTitlebarColors=fa"..., 4096) = 55
read(8, "", 4096) = 0
close(8) = 0
munmap(0x7fc021415000, 4096) = 0
socket(PF_FILE, SOCK_STREAM, 0) = 8
connect(8, {sa_family=AF_FILE, path=@"/tmp/dbus-ksjxzbvGu6"}, 23) = 0
fcntl(8, F_GETFL) = 0x2 (flags O_RDWR)
fcntl(8, F_SETFL, O_RDWR|O_NONBLOCK) = 0
fcntl(8, F_GETFD) = 0
fcntl(8, F_SETFD, FD_CLOEXEC) = 0
geteuid() = 0
rt_sigaction(SIGPIPE, {0x1, [PIPE], SA_RESTORER|SA_RESTART,
0x7fc01c7b66e0}, {SIG_DFL, [], 0}, 8) = 0
poll([{fd=8, events=POLLOUT}], 1, 0) = 1 ([{fd=8, revents=POLLOUT}])
write(8, "\0", 1) = 1
write(8, "AUTH EXTERNAL 30\r\n", 18) = 18
poll([{fd=8, events=POLLIN}], 1, -1) = 1 ([{fd=8, revents=POLLIN}])
read(8, "OK 197d254afad8d9cdb31779c5497e6"..., 2048) = 37
poll([{fd=8, events=POLLOUT}], 1, -1) = 1 ([{fd=8, revents=POLLOUT}])
write(8, "BEGIN\r\n", 7) = 7
poll([{fd=8, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=8,
revents=POLLIN|POLLOUT|POLLHUP}])
read(8, "", 2048) = 0
close(8) = 0
futex(0x77c964, FUTEX_WAIT_PRIVATE, 1, NULL
VirtualBox
-----------
stat("/root/.kde4/share/config/kdeglobals", {st_mode=S_IFREG|0600,
st_size=633, ...}) = 0
stat("/root/.kde4/share/config/kdeglobals", {st_mode=S_IFREG|0600,
st_size=633, ...}) = 0
open("/root/.kde4/share/config/kdeglobals", O_RDONLY) = 14
fcntl(14, F_SETFD, FD_CLOEXEC) = 0
stat("/root/.kde4/share/config/kdeglobals", {st_mode=S_IFREG|0600,
st_size=633, ...}) = 0
stat("/root/.kde4/share/config/kdeglobals", {st_mode=S_IFREG|0600,
st_size=633, ...}) = 0
stat("/root/.kde4/share/config/kdeglobals", {st_mode=S_IFREG|0600,
st_size=633, ...}) = 0
fstat(14, {st_mode=S_IFREG|0600, st_size=633, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7fdc1693a000
read(14, "[$Version]\nupdate_info=kwin.upd:"..., 4096) = 633
read(14, "", 4096) = 0
close(14) = 0
munmap(0x7fdc1693a000, 4096) = 0
stat("/root/.kde4/share/config/oxygenrc", 0x7fff1e9acb70) = -1 ENOENT
(No such file or directory)
stat("/usr/share/kde4/config/oxygenrc", 0x7fff1e9acb70) = -1 ENOENT (No
such file or directory)
stat("/etc/kde4/share/config/oxygenrc", {st_mode=S_IFREG|0644,
st_size=55, ...}) = 0
stat("/etc/kde4/share/config/oxygenrc", {st_mode=S_IFREG|0644,
st_size=55, ...}) = 0
stat("/etc/kde4/share/config/oxygenrc", {st_mode=S_IFREG|0644,
st_size=55, ...}) = 0
stat("/etc", {st_mode=S_IFDIR|0755, st_size=24576, ...}) = 0
lstat("/etc", {st_mode=S_IFDIR|0755, st_size=24576, ...}) = 0
stat("/etc/kde4", {st_mode=S_IFDIR|0755, st_size=28, ...}) = 0
lstat("/etc/kde4", {st_mode=S_IFDIR|0755, st_size=28, ...}) = 0
stat("/etc/kde4/share", {st_mode=S_IFDIR|0755, st_size=30, ...}) = 0
lstat("/etc/kde4/share", {st_mode=S_IFDIR|0755, st_size=30, ...}) = 0
stat("/etc/kde4/share/config", {st_mode=S_IFDIR|0755, st_size=4096,
...}) = 0
lstat("/etc/kde4/share/config", {st_mode=S_IFDIR|0755, st_size=4096,
...}) = 0
stat("/etc/kde4/share/config/oxygenrc", {st_mode=S_IFREG|0644,
st_size=55, ...}) = 0
lstat("/etc/kde4/share/config/oxygenrc", {st_mode=S_IFREG|0644,
st_size=55, ...}) = 0
stat("/etc/kde4/share/config/oxygenrc", {st_mode=S_IFREG|0644,
st_size=55, ...}) = 0
stat("/etc/kde4/share/config/oxygenrc", {st_mode=S_IFREG|0644,
st_size=55, ...}) = 0
open("/etc/kde4/share/config/oxygenrc", O_RDONLY) = 14
fcntl(14, F_SETFD, FD_CLOEXEC) = 0
stat("/etc/kde4/share/config/oxygenrc", {st_mode=S_IFREG|0644,
st_size=55, ...}) = 0
stat("/etc/kde4/share/config/oxygenrc", {st_mode=S_IFREG|0644,
st_size=55, ...}) = 0
stat("/etc/kde4/share/config/oxygenrc", {st_mode=S_IFREG|0644,
st_size=55, ...}) = 0
fstat(14, {st_mode=S_IFREG|0644, st_size=55, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7fdc1693a000
read(14, "[Windeco]\nBlendTitlebarColors=fa"..., 4096) = 55
read(14, "", 4096) = 0
close(14) = 0
munmap(0x7fdc1693a000, 4096) = 0
socket(PF_FILE, SOCK_STREAM, 0) = 14
connect(14, {sa_family=AF_FILE, path=@"/tmp/dbus-ksjxzbvGu6"}, 23) = 0
fcntl(14, F_GETFL) = 0x2 (flags O_RDWR)
fcntl(14, F_SETFL, O_RDWR|O_NONBLOCK) = 0
fcntl(14, F_GETFD) = 0
fcntl(14, F_SETFD, FD_CLOEXEC) = 0
geteuid() = 0
rt_sigaction(SIGPIPE, {0x1, [PIPE], SA_RESTORER|SA_RESTART,
0x7fdc15d416e0}, {SIG_DFL, [], 0}, 8) = 0
poll([{fd=14, events=POLLOUT}], 1, 0) = 1 ([{fd=14, revents=POLLOUT}])
write(14, "\0", 1) = 1
write(14, "AUTH EXTERNAL 30\r\n", 18) = 18
poll([{fd=14, events=POLLIN}], 1, -1) = 1 ([{fd=14, revents=POLLIN}])
read(14, "OK 197d254afad8d9cdb31779c5497e6"..., 2048) = 37
poll([{fd=14, events=POLLOUT}], 1, -1) = 1 ([{fd=14, revents=POLLOUT}])
write(14, "BEGIN\r\n", 7) = 7
poll([{fd=14, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=14,
revents=POLLIN|POLLOUT|POLLHUP}])
read(14, "", 2048) = 0
close(14) = 0
futex(0x6a8024, FUTEX_WAIT_PRIVATE, 1, NULL
lancelot@tindog:~> sudo qjackctl
root's password:
qjackctl: cannot connect to X server
lancelot@tindog:~> sudo VirtualBox
Qt WARNING: VirtualBox: cannot connect to X server
lancelot@tindog:~>
The same happens after doing "xhost +".
If I run the apps as user, they work except for qjackctl which starts up
and jackd shuts down, failing to connect.
Thought of opening a bug, but it only happens on one box.
Any ideas appreciated.
Regards
Sid.
--
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support
Specialist, Cricket Coach
Microsoft Windows Free Zone - Linux used for all Computing Tasks
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