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[Ramses Rodriguez Martinez <ramses.harpago@xxxxxxxxx>]

Public bug reported:

calibre 2.14.0+dfsg-1 segfaults on loading ith this output:

Unable to open ~/.mtpz-data for reading, MTPZ disabled.
Ignoring directories passed as command line arguments
Failed to run pipe worker with command: from calibre.utils.ipc.pool import run_main, worker_main; run_main(worker_main)
Traceback (most recent call last):
  File "/usr/bin/calibre-parallel", line 20, in <module>
    sys.exit(main())
  File "/usr/lib/calibre/calibre/utils/ipc/worker.py", line 174, in main
    exec (sys.argv[-1])
  File "<string>", line 1, in <module>
  File "/usr/lib/calibre/calibre/utils/ipc/pool.py", line 383, in run_main
    with closing(Client(address, authkey=key)) as conn:
  File "/usr/lib/python2.7/multiprocessing/connection.py", line 175, in Client
    answer_challenge(c, authkey)
  File "/usr/lib/python2.7/multiprocessing/connection.py", line 428, in answer_challenge
    message = connection.recv_bytes(256)         # reject large message
IOError: [Errno 104] Connection reset by peer
Segmentation fault (core dumped)

strace:
read(22, "N3\317\24 #d+\311\7\361\342\223\314a\222\25\177\357\212\234\334n\214\
253 \347\320\325b\17Q"..., 16384) = 3655
read(22, "", 12288)                     = 0
read(22, "", 16384)                     = 0
close(22)                               = 0
munmap(0x7f66df4a0000, 4096)            = 0
futex(0x19b94e0, FUTEX_WAKE_PRIVATE, 1) = 1
--- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x1} ---
+++ killed by SIGSEGV (core dumped) +++

gdb:
Core was generated by `/usr/bin/python2.7 /usr/bin/calibre'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f1c8ecfdafe in ?? ()

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: calibre 2.14.0+dfsg-1
ProcVersionSignature: Ubuntu 3.18.0-12.13-generic 3.18.4
Uname: Linux 3.18.0-12-generic x86_64
ApportVersion: 2.15.1-0ubuntu4
Architecture: amd64
Date: Fri Jan 30 20:55:09 2015
InstallationDate: Installed on 2013-11-17 (438 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
PackageArchitecture: all
ProcEnviron:
 LD_LIBRARY_PATH=<set>
 TERM=xterm
 PATH=(custom, no user)
 LANG=es_ES.UTF-8
 SHELL=/bin/bash
SourcePackage: calibre
UpgradeStatus: Upgraded to vivid on 2015-01-30 (0 days ago)

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


** Tags: amd64 apport-bug vivid

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https://bugs.launchpad.net/bugs/1416532

Title:
  segfaults on vivid

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