Ubuntu
mir package

mir_demo_client_scroll confusingly asserts when it can't connect instead of reporting a useful error message [Assertion `mir_connection_is_valid(connection)' failed.]

Bug #1360562 reported by Simon THOBY on 2014-08-23

10

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	Mir	Triaged	Low	Unassigned
	mir (Ubuntu)	Triaged	Low	Unassigned

Bug Description

I lauch mir_demo_client_scroll in terminal andf I obtain this :
Starting
mir_demo_client_scroll: /build/buildd/mir-0.6.1+14.10.20140814/examples/scroll.cpp:141: int main(int, char**): Assertion `mir_connection_is_valid(connection)' failed.
Aborted (core dumped)

ProblemType: Crash
DistroRelease: Ubuntu 14.10
Package: mir-demos 0.6.1+14.10.20140814-0ubuntu1
ProcVersionSignature: Ubuntu 3.16.0-10.15-generic 3.16.1
Uname: Linux 3.16.0-10-generic x86_64
ApportVersion: 2.14.6-0ubuntu2
Architecture: amd64
AssertionMessage: mir_demo_client_scroll: /build/buildd/mir-0.6.1+14.10.20140814/examples/scroll.cpp:141: int main(int, char**): Assertion `mir_connection_is_valid(connection)' failed.
CurrentDesktop: Unity
Date: Sat Aug 23 10:37:47 2014
ExecutablePath: /usr/bin/mir_demo_client_scroll
InstallationDate: Installed on 2014-08-14 (8 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Alpha amd64 (20140813)
ProcCmdline: mir_demo_client_scroll
Signal: 6
SourcePackage: mir
StacktraceTop:
__assert_fail_base (fmt=0x7f01ec4c98b0 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x4039f8 "mir_connection_is_valid(connection)", file=file@entry=0x403908 "/build/buildd/mir-0.6.1+14.10.20140814/examples/scroll.cpp", line=line@entry=141, function=function@entry=0x403b80 "int main(int, char**)") at assert.c:92
__GI___assert_fail (assertion=0x4039f8 "mir_connection_is_valid(connection)", file=0x403908 "/build/buildd/mir-0.6.1+14.10.20140814/examples/scroll.cpp", line=141, function=0x403b80 "int main(int, char**)") at assert.c:101
main ()
SystemImageInfo: Error: [Errno 2] No such file or directory: 'system-image-cli'
Title: mir_demo_client_scroll assert failure: mir_demo_client_scroll: /build/buildd/mir-0.6.1+14.10.20140814/examples/scroll.cpp:141: int main(int, char**): Assertion `mir_connection_is_valid(connection)' failed.
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm autopilot cdrom crontab dialout dip kvm libvirtd lightdm lpadmin lxc-dnsmasq messagebus operator plugdev sambashare saned ssh sudo users uucp video

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Revision history for this message

Simon THOBY (simonthoby-deactivatedaccount) wrote on 2014-08-23:

#1

Dependencies.txt Edit (1.6 KiB, text/plain; charset="utf-8")
Disassembly.txt Edit (958 bytes, text/plain; charset="utf-8")
ProcEnviron.txt Edit (338 bytes, text/plain; charset="utf-8")
ProcMaps.txt Edit (16.2 KiB, text/plain; charset="utf-8")
ProcStatus.txt Edit (889 bytes, text/plain; charset="utf-8")
Registers.txt Edit (750 bytes, text/plain; charset="utf-8")
Stacktrace.txt Edit (1.4 KiB, text/plain; charset="utf-8")
ThreadStacktrace.txt Edit (1.4 KiB, text/plain; charset="utf-8")

information type:	Private → Public
Changed in mir (Ubuntu):
assignee:	nobody → Simon THOBY (simonthoby)

Revision history for this message

Apport retracing service (apport) wrote on 2014-08-23:

#2

StacktraceTop:
__assert_fail_base (fmt=0x7f01ec4c98b0 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x4039f8 "mir_connection_is_valid(connection)", file=file@entry=0x403908 "/build/buildd/mir-0.6.1+14.10.20140814/examples/scroll.cpp", line=line@entry=141, function=function@entry=0x403b80 <main::__PRETTY_FUNCTION__> "int main(int, char**)") at assert.c:92
__GI___assert_fail (assertion=0x4039f8 "mir_connection_is_valid(connection)", file=0x403908 "/build/buildd/mir-0.6.1+14.10.20140814/examples/scroll.cpp", line=141, function=0x403b80 <main::__PRETTY_FUNCTION__> "int main(int, char**)") at assert.c:101
main (argc=<optimized out>, argv=0x7fff46206488) at /build/buildd/mir-0.6.1+14.10.20140814/examples/scroll.cpp:141

Revision history for this message

Apport retracing service (apport) wrote on 2014-08-23: Stacktrace.txt

#3

Stacktrace.txt Edit (1.7 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2014-08-23: StacktraceSource.txt

#4

StacktraceSource.txt Edit (1.3 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2014-08-23: ThreadStacktrace.txt

#5

ThreadStacktrace.txt Edit (1.7 KiB, text/plain)

Changed in mir (Ubuntu):
importance:	Undecided → Medium
tags:	removed: need-amd64-retrace

Daniel van Vugt (vanvugt) on 2014-08-25

Changed in mir:
importance:	Undecided → Low
Changed in mir (Ubuntu):
importance:	Medium → Low
assignee:	Simon THOBY (simonthoby) → nobody
Changed in mir:
status:	New → Triaged
Changed in mir (Ubuntu):
status:	New → Triaged
summary:	- mir_demo_client_scroll assert failure: mir_demo_client_scroll: - /build/buildd/mir-0.6.1+14.10.20140814/examples/scroll.cpp:141: int - main(int, char**): Assertion `mir_connection_is_valid(connection)' - failed. + mir_demo_client_scroll confusingly asserts when it can't connect instead + of reporting a useful error message [Assertion + `mir_connection_is_valid(connection)' failed.]

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