[Bug 1852016] [NEW] Applications delayed on launch

Sebastian 1852016 at bugs.launchpad.net
Sun Nov 10 19:42:22 UTC 2019


Public bug reported:

Hello,

i am unsure if this is really a problem with dbus but my first research
showed it could be related to dbus.

1.) 
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 19.10
Release:	19.10
Codename:	eoan

Ubuntu Budgie on T460 with 256GB SSD and 16GB RAM

2.)
dbus:
  Installed: 1.12.14-1ubuntu2
  Candidate: 1.12.14-1ubuntu2
  Version table:
 *** 1.12.14-1ubuntu2 500
        500 http://de.archive.ubuntu.com/ubuntu eoan/main amd64 Packages
        100 /var/lib/dpkg/status

3.) I've expected just "normal" loading applications

4.) Some applications are delayed at startup. The application will take
around 30s to launch, but afterwards it just runs fine. Affected
application I found so far are KeepassXC, Filezilla and OnlyOffice
Desktop-Editor. From strace I saw this applications are stopping (for
about 20-30s) at this point:

connect(12, {sa_family=AF_UNIX, sun_path="/run/user/1000/bus"}, 110) = 0
getpid()                                = 8165
geteuid()                               = 1000
getegid()                               = 1000
getpid()                                = 8165
geteuid()                               = 1000
getegid()                               = 1000
sendmsg(12, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\0", iov_len=1}], msg_iovlen=1, msg_control=[{cmsg_len=28, cmsg_level=SOL_SOCKET, cmsg_type=SCM_CREDENTIALS, cmsg_data={pid=8165, uid=1000, gid=1000}}], msg_controllen=32, msg_flags=0}, MSG_NOSIGNAL) = 1
sendto(12, "AUTH\r\n", 6, MSG_NOSIGNAL, NULL, 0) = 6
recvfrom(12, "REJECTED EXTERNAL\r\n", 4096, 0, NULL, NULL) = 19
sendto(12, "AUTH EXTERNAL 31303030\r\n", 24, MSG_NOSIGNAL, NULL, 0) = 24
recvfrom(12, "OK 7f079149c4e5e774135107445dc85"..., 4096, 0, NULL, NULL) = 37
sendto(12, "NEGOTIATE_UNIX_FD\r\n", 19, MSG_NOSIGNAL, NULL, 0) = 19
recvfrom(12, "AGREE_UNIX_FD\r\n", 4096, 0, NULL, NULL) = 15
sendto(12, "BEGIN\r\n", 7, MSG_NOSIGNAL, NULL, 0) = 7
write(15, "\1\0\0\0\0\0\0\0", 8)        = 8
eventfd2(0, EFD_CLOEXEC|EFD_NONBLOCK)   = 14
write(14, "\1\0\0\0\0\0\0\0", 8)        = 8
write(15, "\1\0\0\0\0\0\0\0", 8)        = 8
poll([{fd=14, events=POLLIN}], 1, 25000) = 1 ([{fd=14, revents=POLLIN}])
read(14, "\1\0\0\0\0\0\0\0", 16)        = 8
poll([{fd=14, events=POLLIN}], 1, 25000


During my first research I found this following to topics related to the issue:
https://askubuntu.com/questions/1184774/some-applications-on-ubuntu-19-10-very-slow-to-start

This Stackoverflow topic links to the archlinux forum:
https://bbs.archlinux.org/viewtopic.php?id=230036

I can confirm that running the delayed applications with "dbus-launch
--exit-with-session application" or by running it as root they are all
starting without any delay.

Thanks for your help! Let me know if you need any further information.

Best Regards,
Sebastian

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

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https://bugs.launchpad.net/bugs/1852016

Title:
  Applications delayed on launch

Status in dbus package in Ubuntu:
  New

Bug description:
  Hello,

  i am unsure if this is really a problem with dbus but my first
  research showed it could be related to dbus.

  1.) 
  No LSB modules are available.
  Distributor ID:	Ubuntu
  Description:	Ubuntu 19.10
  Release:	19.10
  Codename:	eoan

  Ubuntu Budgie on T460 with 256GB SSD and 16GB RAM

  2.)
  dbus:
    Installed: 1.12.14-1ubuntu2
    Candidate: 1.12.14-1ubuntu2
    Version table:
   *** 1.12.14-1ubuntu2 500
          500 http://de.archive.ubuntu.com/ubuntu eoan/main amd64 Packages
          100 /var/lib/dpkg/status

  3.) I've expected just "normal" loading applications

  4.) Some applications are delayed at startup. The application will
  take around 30s to launch, but afterwards it just runs fine. Affected
  application I found so far are KeepassXC, Filezilla and OnlyOffice
  Desktop-Editor. From strace I saw this applications are stopping (for
  about 20-30s) at this point:

  connect(12, {sa_family=AF_UNIX, sun_path="/run/user/1000/bus"}, 110) = 0
  getpid()                                = 8165
  geteuid()                               = 1000
  getegid()                               = 1000
  getpid()                                = 8165
  geteuid()                               = 1000
  getegid()                               = 1000
  sendmsg(12, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\0", iov_len=1}], msg_iovlen=1, msg_control=[{cmsg_len=28, cmsg_level=SOL_SOCKET, cmsg_type=SCM_CREDENTIALS, cmsg_data={pid=8165, uid=1000, gid=1000}}], msg_controllen=32, msg_flags=0}, MSG_NOSIGNAL) = 1
  sendto(12, "AUTH\r\n", 6, MSG_NOSIGNAL, NULL, 0) = 6
  recvfrom(12, "REJECTED EXTERNAL\r\n", 4096, 0, NULL, NULL) = 19
  sendto(12, "AUTH EXTERNAL 31303030\r\n", 24, MSG_NOSIGNAL, NULL, 0) = 24
  recvfrom(12, "OK 7f079149c4e5e774135107445dc85"..., 4096, 0, NULL, NULL) = 37
  sendto(12, "NEGOTIATE_UNIX_FD\r\n", 19, MSG_NOSIGNAL, NULL, 0) = 19
  recvfrom(12, "AGREE_UNIX_FD\r\n", 4096, 0, NULL, NULL) = 15
  sendto(12, "BEGIN\r\n", 7, MSG_NOSIGNAL, NULL, 0) = 7
  write(15, "\1\0\0\0\0\0\0\0", 8)        = 8
  eventfd2(0, EFD_CLOEXEC|EFD_NONBLOCK)   = 14
  write(14, "\1\0\0\0\0\0\0\0", 8)        = 8
  write(15, "\1\0\0\0\0\0\0\0", 8)        = 8
  poll([{fd=14, events=POLLIN}], 1, 25000) = 1 ([{fd=14, revents=POLLIN}])
  read(14, "\1\0\0\0\0\0\0\0", 16)        = 8
  poll([{fd=14, events=POLLIN}], 1, 25000

  
  During my first research I found this following to topics related to the issue:
  https://askubuntu.com/questions/1184774/some-applications-on-ubuntu-19-10-very-slow-to-start

  This Stackoverflow topic links to the archlinux forum:
  https://bbs.archlinux.org/viewtopic.php?id=230036

  I can confirm that running the delayed applications with "dbus-launch
  --exit-with-session application" or by running it as root they are all
  starting without any delay.

  Thanks for your help! Let me know if you need any further information.

  Best Regards,
  Sebastian

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