[Bug 382022] [NEW] k9copy hangs as you start a backup

[markgalassi]

Public bug reported:

Binary package hint: k9copy

mozart->~$ lsb_release -rd
Description:	Ubuntu 9.04
Release:	9.04
mozart->~$ apt-cache policy k9copy
k9copy:
  Installed: 2.3.0-0ubuntu2
  Candidate: 2.3.0-0ubuntu2
  Version table:
 *** 2.3.0-0ubuntu2 0
        500 http://us.archive.ubuntu.com jaunty/multiverse Packages
        100 /var/lib/dpkg/status
mozart->~$ 


A few weeks ago (some time in early May) k9copy started hanging when it should start authoring.

I thought it might be that it depended on some kde service that was not
installed (I run gnome), so I did an "apt-get install kde", but it still
hangs.

Standard output shows that it should run the command:

" dvdauthor -x /tmp/kde-markgalassi/k9copy/k9aj15005.xml"

but it never executes that.  Note that I can run that command from the
shell and it works very well.

If I run k9copy under strace there is way too much output, but where it
hangs it's in a loop of failing read() calls (EAGAIN error) and poll()
calls (timeout).  I append them below in case they are useful instead of
being boiler plate window system calls.

clock_gettime(CLOCK_MONOTONIC, {807922, 73100652}) = 0
gettimeofday({1243732894, 216628}, NULL) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=2427, ...}) = 0
select(8, [7], [7], NULL, NULL)         = 1 (out [7])
writev(7, [{"5 \4\0\3168\300\7\\\2\0\0\240\0\240\0\227\4\5\0\3178\300\7\3168\300\7%\2\0\0\0"..., 76}, {"\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\0"..., 102400}, {""..., 0}], 3) = 102476
gettimeofday({1243732894, 217363}, NULL) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=2427, ...}) = 0
clock_gettime(CLOCK_MONOTONIC, {807922, 73949758}) = 0
clock_gettime(CLOCK_MONOTONIC, {807922, 73971174}) = 0
clock_gettime(CLOCK_MONOTONIC, {807922, 73993074}) = 0
select(8, [7], [7], NULL, NULL)         = 1 (out [7])
writev(7, [{"< \2\0\3208\300\7\227\7\2\0\3148\300\0076\4\2\0\3138\300\7"..., 24}, {NULL, 0}, {""..., 0}], 3) = 24
read(7, 0x8ee9708, 4096)                = -1 EAGAIN (Resource temporarily unavailable)
read(16, 0x8f1f7c8, 4096)               = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=3, events=POLLIN}, {fd=11, events=POLLIN|POLLPRI}, {fd=13, events=POLLIN|POLLPRI}, {fd=14, events=POLLIN|POLLPRI}, {fd=15, events=POLLIN|POLLPRI}, {fd=16, events=POLLIN}, {fd=17, events=POLLIN}, {fd=7, events=POLLIN}, {fd=18, events=POLLIN}, {fd=19, events=POLLIN}, {fd=21, events=POLLIN}, {fd=25, events=POLLIN}, {fd=23, events=POLLIN}], 13, 97) = 0 (Timeout)
clock_gettime(CLOCK_MONOTONIC, {807922, 171697038}) = 0
read(7, 0x8ee9708, 4096)                = -1 EAGAIN (Resource temporarily unavailable)
clock_gettime(CLOCK_MONOTONIC, {807922, 171760102}) = 0
read(7, 0x8ee9708, 4096)                = -1 EAGAIN (Resource temporarily unavailable)
read(16, 0x8f1f7c8, 4096)               = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=3, events=POLLIN}, {fd=11, events=POLLIN|POLLPRI}, {fd=13, events=POLLIN|POLLPRI}, {fd=14, events=POLLIN|POLLPRI}, {fd=15, events=POLLIN|POLLPRI}, {fd=16, events=POLLIN}, {fd=17, events=POLLIN}, {fd=7, events=POLLIN}, {fd=18, events=POLLIN}, {fd=19, events=POLLIN}, {fd=21, events=POLLIN}, {fd=25, events=POLLIN}, {fd=23, events=POLLIN}], 13, 0) = 0 (Timeout)
read(7, 0x8ee9708, 4096)                = -1 EAGAIN (Resource temporarily unavailable)
clock_gettime(CLOCK_MONOTONIC, {807922, 171905190}) = 0
clock_gettime(CLOCK_MONOTONIC, {807922, 171928435}) = 0
read(7, 0x8ee9708, 4096)                = -1 EAGAIN (Resource temporarily unavailable)
read(16, 0x8f1f7c8, 4096)               = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=3, events=POLLIN}, {fd=11, events=POLLIN|POLLPRI}, {fd=13, events=POLLIN|POLLPRI}, {fd=14, events=POLLIN|POLLPRI}, {fd=15, events=POLLIN|POLLPRI}, {fd=16, events=POLLIN}, {fd=17, events=POLLIN}, {fd=7, events=POLLIN}, {fd=18, events=POLLIN}, {fd=19, events=POLLIN}, {fd=21, events=POLLIN}, {fd=25, events=POLLIN}, {fd=23, events=POLLIN}], 13, 0) = 0 (Timeout)
read(7, 0x8ee9708, 4096)                = -1 EAGAIN (Resource temporarily unavailable)
clock_gettime(CLOCK_MONOTONIC, {807922, 172069369}) = 0
gettimeofday({1243732894, 315597}, NULL) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=2427, ...}) = 0
select(8, [7], [7], NULL, NULL)         = 1 (out [7])
writev(7, [{"5 \4\0\3218\300\7\\\2\0\0\240\0\240\0\227\4\5\0\3228\300\7\3218\300\7%\2\0\0\0"..., 76}, {"\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\0"..., 102400}, {""..., 0}], 3) = 102476
gettimeofday({1243732894, 316341}, NULL) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=2427, ...}) = 0
clock_gettime(CLOCK_MONOTONIC, {807922, 172928877}) = 0
clock_gettime(CLOCK_MONOTONIC, {807922, 172949942}) = 0
clock_gettime(CLOCK_MONOTONIC, {807922, 172971803}) = 0
select(8, [7], [7], NULL, NULL)         = 1 (out [7])
writev(7, [{"< \2\0\3238\300\7\227\7\2\0\3178\300\0076\4\2\0\3168\300\7"..., 24}, {NULL, 0}, {""..., 0}], 3) = 24
read(7, 0x8ee9708, 4096)                = -1 EAGAIN (Resource temporarily unavailable)
read(16, 0x8f1f7c8, 4096)               = -1 EAGAIN (Resource temporarily unavailable)

ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 9.04
NonfreeKernelModules: nvidia
Package: k9copy 2.3.0-0ubuntu2
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: k9copy
Tags:  ubuntu-unr
Uname: Linux 2.6.28-11-server i686

** Affects: k9copy (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 ubuntu-unr

-- 
k9copy hangs as you start a backup
https://bugs.launchpad.net/bugs/382022
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