*** This bug is a duplicate of bug 1725749 *** https://bugs.launchpad.net/bugs/1725749
Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1725749, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find. ** Attachment removed: "CoreDump.gz" https://bugs.launchpad.net/bugs/1756146/+attachment/5080590/+files/CoreDump.gz ** Attachment removed: "Disassembly.txt" https://bugs.launchpad.net/bugs/1756146/+attachment/5080594/+files/Disassembly.txt ** Attachment removed: "ProcMaps.txt" https://bugs.launchpad.net/bugs/1756146/+attachment/5080603/+files/ProcMaps.txt ** Attachment removed: "ProcStatus.txt" https://bugs.launchpad.net/bugs/1756146/+attachment/5080605/+files/ProcStatus.txt ** Attachment removed: "Registers.txt" https://bugs.launchpad.net/bugs/1756146/+attachment/5080606/+files/Registers.txt ** Attachment removed: "Stacktrace.txt" https://bugs.launchpad.net/bugs/1756146/+attachment/5080607/+files/Stacktrace.txt ** Attachment removed: "ThreadStacktrace.txt" https://bugs.launchpad.net/bugs/1756146/+attachment/5080608/+files/ThreadStacktrace.txt ** This bug has been marked a duplicate of bug 1725749 cupsd crashed with SIGSEGV in avahi_entry_group_free() ** Information type changed from Private to Public ** Tags removed: need-amd64-retrace -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1756146 Title: cupsd crashed with SIGSEGV in avahi_entry_group_free() Status in cups package in Ubuntu: New Bug description: Crashed immediately after 3/15 big update to 18.04 ProblemType: Crash DistroRelease: Ubuntu 18.04 Package: cups-daemon 2.2.6-5 ProcVersionSignature: Ubuntu 4.15.0-12.13-generic 4.15.7 Uname: Linux 4.15.0-10-generic x86_64 ApportVersion: 2.20.8-0ubuntu10 Architecture: amd64 CrashCounter: 1 Date: Thu Mar 15 12:14:37 2018 ExecutablePath: /usr/sbin/cupsd InstallationDate: Installed on 2018-03-02 (12 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180301) JournalErrors: -- Logs begin at Fri 2018-03-02 11:55:15 CST, end at Thu 2018-03-15 12:23:06 CDT. -- Mar 15 12:15:39 hostname wpa_supplicant[987]: dbus: wpa_dbus_get_object_properties: failed to get object properties: (none) none Mar 15 12:15:39 hostname wpa_supplicant[987]: dbus: Failed to construct signal Mar 15 12:15:52 hostname pulseaudio[1583]: [pulseaudio] backend-ofono.c: Failed to register as a handsfree audio agent with ofono: org.freedesktop.DBus.Error.ServiceUnknown: The name org.ofono was not provided by any .service files Mar 15 12:15:57 hostname spice-vdagent[1715]: Cannot access vdagent virtio channel /dev/virtio-ports/com.redhat.spice.0 Lpstat: device for EPSON_XP_410_Series_Dell_Vostro_3555: implicitclass:EPSON_XP_410_Series_Dell_Vostro_3555 device for XP-410: usb://EPSON/XP-410%20Series?serial=533532503634353207&interface=1 MachineType: Dell Inc. Vostro 3555 Papersize: letter PpdFiles: XP-410: Epson XP-410 Series - epson-inkjet-printer-escpr 1.6.15-1lsb3.2 (Seiko Epson Corporation LSB 3.2) EPSON_XP_410_Series_Dell_Vostro_3555: Remote printer: Epson XP-410 Series - epson-inkjet-printer-escpr 1.6.15-1lsb3.2 (Seiko Epson Corporation LSB 3.2) ProcAttrCurrent: /usr/sbin/cupsd (enforce) ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-4.15.0-12-generic root=UUID=8110595a-c399-4d8f-b91d-e4b9b7ec6c6e ro quiet splash vt.handoff=1 ProcEnviron: LANG=en_US.UTF-8 PATH=(custom, no user) ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-12-generic root=UUID=8110595a-c399-4d8f-b91d-e4b9b7ec6c6e ro quiet splash vt.handoff=1 SegvAnalysis: Segfault happened at: 0x7f44cdb269c4 <avahi_entry_group_free+4>: cmpq $0x0,(%rdi) PC (0x7f44cdb269c4) ok source "$0x0" ok destination "(%rdi)" (0x00000000) not located in a known VMA region (needed writable region)! SegvReason: writing NULL VMA Signal: 11 SourcePackage: cups StacktraceTop: avahi_entry_group_free () from /usr/lib/x86_64-linux-gnu/libavahi-client.so.3 ?? () ?? () ?? () ?? () Title: cupsd crashed with SIGSEGV in avahi_entry_group_free() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: dmi.bios.date: 08/09/2011 dmi.bios.vendor: Dell Inc. dmi.bios.version: A03 dmi.board.name: 4IF010 dmi.board.vendor: Dell Inc. dmi.board.version: A03 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: Not Specified dmi.modalias: dmi:bvnDellInc.:bvrA03:bd08/09/2011:svnDellInc.:pnVostro3555:pvrNotSpecified:rvnDellInc.:rn4IF010:rvrA03:cvnDellInc.:ct8:cvrNotSpecified: dmi.product.name: Vostro 3555 dmi.product.version: Not Specified dmi.sys.vendor: Dell Inc. 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