** Also affects: systemd (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: systemd (Ubuntu Groovy)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1920781
Title:
Mobile phone hotspot unusable due to systemd-resolved not liking the
DNS
Status in systemd package in Ubuntu:
New
Status in systemd source package in Focal:
New
Status in systemd source package in Groovy:
New
Bug description:
Seen in 20.04.
Trying to connect to the internet using the mobile phone hotspot is
impossible due to systemd-resolved not resolving and reporting things
like:
resolve call failed: DNSSEC validation failed: incompatible-server
and
systemd-resolved[81699]: DNSSEC validation failed for question
d.3.1.b.d.e.1.e.1.6.9.e.7.8.4.5.0.0.0.0.0.0.0.0.0.0.0.0.0.8.e.f.ip6.arpa IN
PTR: no-signature
DNSSEC validation failed for question
b.d.e.1.e.1.6.9.e.7.8.4.5.0.0.0.0.0.0.0.0.0.0.0.0.0.8.e.f.ip6.arpa IN DS:
no-signature
etc etc.
Name resolution works just fine from the mobile phone.
Funny thing is that the issue persists if DNSSEC is disabled via
resolvectl for the interface:
Link 3 (wlan0)
Current Scopes: DNS
DefaultRoute setting: yes
LLMNR setting: yes
MulticastDNS setting: no
DNSOverTLS setting: opportunistic
DNSSEC setting: no
DNSSEC supported: no
Current DNS Server: 192.168.43.1
DNS Servers: 192.168.43.1
Systemd-resolved won't accept the issue to be reported upstream saying
that a too old version of systemd is being used.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: systemd 245.4-4ubuntu3.5
ProcVersionSignature: Ubuntu 5.8.0-45.51~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-45-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: KDE
Date: Mon Mar 22 15:39:23 2021
EcryptfsInUse: Yes
InstallationDate: Installed on 2020-02-16 (400 days ago)
InstallationMedia: Kubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
MachineType: SCHENKER SCHENKER_SLIM14_SSL14L19
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-45-generic
root=/dev/mapper/VG_NVMe-root ro quiet splash vt.handoff=7
SourcePackage: systemd
SystemdDelta:
[EXTENDED] /usr/lib/systemd/system/rc-local.service →
/usr/lib/systemd/system/rc-local.service.d/debian.conf
[EXTENDED] /usr/lib/systemd/system/user@.service →
/usr/lib/systemd/system/user@.service.d/timeout.conf
2 overridden configuration files found.
UpgradeStatus: Upgraded to focal on 2020-05-23 (303 days ago)
dmi.bios.date: 10/02/2019
dmi.bios.release: 7.4
dmi.bios.vendor: INSYDE Corp.
dmi.bios.version: 1.07.04RTR1
dmi.board.asset.tag: Tag 12345
dmi.board.name: N141CU
dmi.board.vendor: SCHENKER
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Notebook
dmi.chassis.version: N/A
dmi.ec.firmware.release: 7.2
dmi.modalias:
dmi:bvnINSYDECorp.:bvr1.07.04RTR1:bd10/02/2019:br7.4:efr7.2:svnSCHENKER:pnSCHENKER_SLIM14_SSL14L19:pvrNotApplicable:rvnSCHENKER:rnN141CU:rvrNotApplicable:cvnNotebook:ct10:cvrN/A:
dmi.product.family: Not Applicable
dmi.product.name: SCHENKER_SLIM14_SSL14L19
dmi.product.sku: Not Applicable
dmi.product.version: Not Applicable
dmi.sys.vendor: SCHENKER
modified.conffile..etc.systemd.resolved.conf: [modified]
mtime.conffile..etc.systemd.resolved.conf: 2021-02-10T11:20:21.512139
mtime.conffile..etc.systemd.sleep.conf: 2020-08-13T07:55:23.365733
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