[Bug 1554556] Re: ifup crashes during startup

[Dariusz Gadomski]

Stack trace:
#0  0x00007f70f7618227 in __GI_raise (sig=sig at entry=6)
    at ../sysdeps/unix/sysv/linux/raise.c:55
#1  0x00007f70f7619e8a in __GI_abort () at abort.c:89
#2  0x00007f70f79bc48f in isc_assertion_failed (
    file=file at entry=0x7f70f7a06350 "../../../../lib/isc/unix/socket.c", 
    line=line at entry=3261, type=type at entry=isc_assertiontype_insist, 
    cond=cond at entry=0x7f70f7a07a27 "!sock->pending_recv")
    at ../../../lib/isc/assertions.c:59
#3  0x00007f70f79f2d45 in dispatch_recv (sock=<optimized out>)
    at ../../../../lib/isc/unix/socket.c:3261
#4  process_fd (writeable=isc_boolean_false, readable=isc_boolean_true, fd=8, 
    manager=0x7f70f81d90e8) at ../../../../lib/isc/unix/socket.c:3928
#5  process_fds (nevents=<optimized out>, events=<optimized out>, 
    manager=0x7f70f81d90e8) at ../../../../lib/isc/unix/socket.c:4040
#6  watcher (uap=0x7f70f81d90e8) at ../../../../lib/isc/unix/socket.c:4286
#7  0x00007f70f6cac66a in start_thread (arg=0x7f70f22da700)
    at pthread_create.c:333
#8  0x00007f70f76ea01d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

** Also affects: isc-dhcp (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: bind9 (Ubuntu)
   Importance: Undecided
       Status: New

** No longer affects: ifupdown (Ubuntu)

** Summary changed:

- ifup crashes during startup
+ dhclient crashes during startup

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https://bugs.launchpad.net/bugs/1554556

Title:
  dhclient crashes during startup

Status in bind9 package in Ubuntu:
  New
Status in isc-dhcp package in Ubuntu:
  New

Bug description:
  Mar 08 15:53:36 test dhclient[636]: DHCPREQUEST of 192.168.33.137 on ens192 to 255.255.255.255 port 67 (xid=0x6f7a95a9)
  Mar 08 15:53:36 test ifup[484]: DHCPREQUEST of 192.168.33.137 on ens192 to 255.255.255.255 port 67 (xid=0x6f7a95a9)
  Mar 08 15:53:36 test dhclient[636]: DHCPACK of 192.168.33.137 from 192.168.33.4
  Mar 08 15:53:36 test ifup[484]: DHCPACK of 192.168.33.137 from 192.168.33.4
  Mar 08 15:53:36 test ifup[484]: RTNETLINK answers: File exists
  Mar 08 15:53:36 test dhclient[636]: bound to 192.168.33.137 -- renewal in 4107 seconds.
  Mar 08 15:53:36 test ifup[484]: bound to 192.168.33.137 -- renewal in 4107 seconds.
  Mar 08 15:53:36 test ifup[484]: ../../../../lib/isc/unix/socket.c:3261: INSIST(!sock->pending_recv) failed, back trace 
  Mar 08 15:53:36 test ifup[484]: #0 0x7ff26dfe2537 in ??
  Mar 08 15:53:36 test ifup[484]: #1 0x7ff26dfe248a in ??
  Mar 08 15:53:36 test ifup[484]: #2 0x7ff26e018d45 in ??
  Mar 08 15:53:36 test ifup[484]: #3 0x7ff26d2d266a in ??
  Mar 08 15:53:36 test ifup[484]: #4 0x7ff26dd1001d in ??
  Mar 08 15:53:36 test ifup[484]: Aborted (core dumped)
  Mar 08 15:53:36 test ifup[484]: Failed to bring up ens192. 
  Mar 08 15:53:36 test systemd[1]: networking.service: Main process exited, code=exited, status=1/FAILURE
  Mar 08 15:55:07 test systemd[1]: networking.service: State 'stop-final-sigterm' timed out. Killing.
  Mar 08 15:55:07 test systemd[1]: Failed to start Raise network interfaces.
  Mar 08 15:55:07 test systemd[1]: networking.service: Unit entered failed state.
  Mar 08 15:55:07 test systemd[1]: networking.service: Failed with result 'timeout'. 

  I need to wait for 90 seconds on network initialization. It works when
  completed, but netwroking service remains in failed state.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ifupdown 0.8.10ubuntu1
  ProcVersionSignature: Ubuntu 4.4.0-11.26-generic 4.4.4
  Uname: Linux 4.4.0-11-generic x86_64
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  Date: Tue Mar  8 15:55:49 2016
  SourcePackage: ifupdown
  UpgradeStatus: No upgrade log present (probably fresh install)

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