Here is backtrace, as i am unable to attach crash report (launchpad gives error)
apport-retrace -g _lib_systemd_systemd-resolved.102.crash
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Reading symbols from /lib/systemd/systemd-resolved...
(No debugging symbols found in /lib/systemd/systemd-resolved)
warning: core file may not match specified executable file.
[New LWP 1792202]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/lib/systemd/systemd-resolved'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x0000564ff982f3e0 in ?? ()
(gdb) bt full
#0 0x0000564ff982f3e0 in ?? ()
No symbol table info available.
#1 0x0000564ff772a97f in ?? ()
No symbol table info available.
#2 0x00007f3e903c2b96 in ?? () from /lib/systemd/libsystemd-shared-245.so
No symbol table info available.
#3 0x00007f3e903c2f11 in sd_event_dispatch () from
/lib/systemd/libsystemd-shared-245.so
No symbol table info available.
#4 0x00007f3e903c4948 in sd_event_run () from
/lib/systemd/libsystemd-shared-245.so
No symbol table info available.
#5 0x00007f3e903c4b6f in sd_event_loop () from
/lib/systemd/libsystemd-shared-245.so
No symbol table info available.
#6 0x0000564ff770522a in ?? ()
No symbol table info available.
#7 0x00007f3e905cc0b3 in __libc_start_main (main=0x564ff7703e40, argc=1,
argv=0x7ffe2fd0ba18, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffe2fd0ba08)
at ../csu/libc-start.c:308
self = <optimized out>
result = <optimized out>
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {94901453980416,
-7807279351804040094, 94901453740880, 140729700629008, 0, 0,
7807736978364591202, 7916158757757021282}, mask_was_saved = 0}}, priv = {pad = {
0x0, 0x0, 0x1, 0x7ffe2fd0ba18}, data = {prev = 0x0, cleanup =
0x0, canceltype = 1}}}
not_first_call = <optimized out>
#8 0x0000564ff7705b7e in ?? ()
No symbol table info available.
** Attachment added: "bug.png"
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1934221/+attachment/5508351/+files/bug.png
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to systemd in Ubuntu.
https://bugs.launchpad.net/bugs/1934221
Title:
systemd-resolve segfault
Status in systemd package in Ubuntu:
New
Bug description:
systemd-resolve keep crashing and it is very annoying as sometimes it
severely interrupt normal dns resolving.
Last uploaded report is 2d9e7378-d89b-11eb-9e14-fa163ee63de6
Typical error in dmesg:
systemd-resolve[1792202]: segfault at 564ff982f3e0 ip 0000564ff982f3e0 sp
00007ffe2fd0b758 error 15
apport hints me that problem is related to mdns
#3 0x00007f3e903c2f11 in sd_event_dispatch () from /lib/systemd
/libsystemd-shared-245.so
It might be (or not) related that some hosts with mdns in my network
have ipv6 enabled.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: systemd 245.4-4ubuntu3.7
ProcVersionSignature: Ubuntu 5.4.0-75.84-generic 5.4.119
Uname: Linux 5.4.0-75-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.18
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Thu Jul 1 08:22:51 2021
InstallationDate: Installed on 2018-12-05 (938 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64
(20181017.3)
MachineType: System manufacturer System Product Name
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-75-generic
root=UUID=54b80d5c-3d61-4919-873f-0d308083e3b9 ro quiet splash vt.handoff=7
SourcePackage: systemd
UpgradeStatus: Upgraded to focal on 2020-05-22 (405 days ago)
dmi.bios.date: 05/12/2020
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1205
dmi.board.asset.tag: Default string
dmi.board.name: ROG STRIX X399-E GAMING
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1205:bd05/12/2020:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnROGSTRIXX399-EGAMING:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: SKU
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
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