Public bug reported:
I rebooted my zesty install today so it has network-manager
1.4.4-1ubuntu2 (re-enabled resolved by default for DNS) and systemd
232-17ubuntu1 (which is supposed to fix the CNAME problems that got
resolved by default reverted earlier in zesty).
I had various DNS issues so I rebooted.
When I rebooted, I opened up Firefox and browsed several sites.
I opened a terminal and ran sudo apt update. I disabled a PPA and enabled a
different PPA and ran sudo apt update then sudo apt dist-upgrade (there were 3
updates).
When apt was downloading one of those new packages, it paused mid-
download. I was unable to browse sites in Firefox. I ran this command in
a different terminal:
$ systemd-resolve --status
Failed to get global data: Connection timed out
I checked journalctl and there was a very large number of these entries:
systemd-resolved[3260]: Processing query...
Finally followed by this repeated 3 times:
dnsmasq[3563]: Maximum number of concurrent DNS queries reached (max: 150)
Eventually, after I guess a couple minutes, things returned to normal.
The apt upgrade completed. systemd-resolve --status looked better and
I'm able to use Firefox again (to report this bug).
ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: systemd 232-17ubuntu1
ProcVersionSignature: Ubuntu 4.9.0-15.16-generic 4.9.5
Uname: Linux 4.9.0-15-generic x86_64
NonfreeKernelModules: zfs zunicode zavl zcommon znvpair
ApportVersion: 2.20.4-0ubuntu2
Architecture: amd64
CurrentDesktop: GNOME
Date: Sun Feb 19 09:54:35 2017
EcryptfsInUse: Yes
InstallationDate: Installed on 2016-08-11 (191 days ago)
InstallationMedia: Ubuntu-GNOME 16.10 "Yakkety Yak" - Alpha amd64 (20160811)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 8087:0a2b Intel Corp.
Bus 001 Device 003: ID 04f2:b57e Chicony Electronics Co., Ltd
Bus 001 Device 002: ID 046d:c534 Logitech, Inc. Unifying Receiver
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: LENOVO 80SA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.9.0-15-generic.efi.signed
root=UUID=352e459f-ebca-4dc8-86e3-b078a000910b ro quiet splash vt.handoff=7
SourcePackage: systemd
UpgradeStatus: Upgraded to zesty on 2016-12-20 (60 days ago)
dmi.bios.date: 09/26/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: 0VCN22WW(V1.06)
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: Lenovo ideapad F
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40709 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo ideapad FLEX 4-1470
dmi.modalias:
dmi:bvnLENOVO:bvr0VCN22WW(V1.06):bd09/26/2016:svnLENOVO:pn80SA:pvrLenovoideapadFLEX4-1470:rvnLENOVO:rnLenovoideapadF:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrLenovoideapadFLEX4-1470:
dmi.product.name: 80SA
dmi.product.version: Lenovo ideapad FLEX 4-1470
dmi.sys.vendor: LENOVO
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug wayland-session zesty
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https://bugs.launchpad.net/bugs/1666021
Title:
zesty systemd-resolve timeout
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