Breakpoint 2, start_canary () at rtkit-daemon.c:2300
2300 if (start_canary() < 0)
(gdb) n
1670 if ((canary_fd = eventfd(0, EFD_NONBLOCK|EFD_CLOEXEC)) < 0 ||
(gdb)
1677 if ((r = -pthread_create(&canary_thread_id, NULL,
canary_thread, NULL)) < 0 ||
(gdb)
Breakpoint 1, __pthread_create_2_1 (newthread=0x555555565178
<canary_thread_id>, attr=0x0, start_routine=0x55555555abd0 <canary_thread>,
arg=0x0) at pthread_create.c:625
625 pthread_create.c: No such file or directory.
(gdb) fin
Run till exit from #0 __pthread_create_2_1 (newthread=0x555555565178
<canary_thread_id>, attr=0x0, start_routine=0x55555555abd0 <canary_thread>,
arg=0x0) at pthread_create.c:625
[New Thread 0x7ffff7aa3700 (LWP 1795548)]
rtkit-daemon[1795542]: Canary thread running.
0x00005555555584bf in start_canary () at rtkit-daemon.c:1677
1677 if ((r = -pthread_create(&canary_thread_id, NULL,
canary_thread, NULL)) < 0 ||
Value returned is $1 = 0
(gdb) n
Thread 1 "rtkit-daemon" hit Breakpoint 1, __pthread_create_2_1
(newthread=0x555555565170 <watchdog_thread_id>, attr=0x0,
start_routine=0x55555555a800 <watchdog_thread>, arg=0x0)
at pthread_create.c:625
625 pthread_create.c: No such file or directory.
(gdb) fin
Run till exit from #0 __pthread_create_2_1 (newthread=0x555555565170
<watchdog_thread_id>, attr=0x0, start_routine=0x55555555a800 <watchdog_thread>,
arg=0x0) at pthread_create.c:625
0x00005555555584de in start_canary () at rtkit-daemon.c:1677
1677 if ((r = -pthread_create(&canary_thread_id, NULL,
canary_thread, NULL)) < 0 ||
Value returned is $2 = 11
It doesn't even reach watchdog_thread() it fails to create the thread
before that.
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to rtkit in Ubuntu.
https://bugs.launchpad.net/bugs/1871543
Title:
rtkit fails to start in focal "pthread_create failed: Resource
temporarily unavailable"
Status in rtkit package in Ubuntu:
New
Bug description:
I was debugging something else and found rtkit broken on my system.
Apr 08 06:09:22 Keschdeichel rtkit-daemon[1726502]: Successfully called
chroot.
Apr 08 06:09:22 Keschdeichel rtkit-daemon[1726502]: Successfully dropped
privileges.
Apr 08 06:09:22 Keschdeichel rtkit-daemon[1726502]: Successfully limited
resources.
Apr 08 06:09:22 Keschdeichel rtkit-daemon[1726502]: pthread_create failed:
Resource temporarily unavailable
Apr 08 06:09:22 Keschdeichel rtkit-daemon[1726502]: Canary thread running.
Apr 08 06:09:22 Keschdeichel rtkit-daemon[1726502]: Exiting canary thread.
Apr 08 06:09:22 Keschdeichel rtkit-daemon[1726502]: Demoting known real-time
threads.
Apr 08 06:09:22 Keschdeichel rtkit-daemon[1726502]: Demoted 0 threads
That state is reproducible through restarts.
I haven't looked any further yet.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: rtkit 0.12-4
ProcVersionSignature: Ubuntu 5.3.0-45.37~18.04.1-generic 5.3.18
Uname: Linux 5.3.0-45-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu24
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Wed Apr 8 07:59:58 2020
InstallationDate: Installed on 2018-10-12 (543 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64
(20180725)
SourcePackage: rtkit
UpgradeStatus: Upgraded to focal on 2020-04-03 (4 days ago)
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