[Bug 1303649] Re: systemd-logind spins in cgmanager_ping_sync()
James Page
james.page at ubuntu.com
Thu Apr 10 08:25:56 UTC 2014
Backtrace with debug symbols installed
(gdb) bt full
#0 0x00007fad4e680700 in __write_nocancel () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1 0x00007fad4efbe377 in nih_main_loop_interrupt () from /lib/x86_64-linux-gnu/libnih.so.1
No symbol table info available.
#2 0x00007fad4eb8464b in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#3 0x00007fad4eb84f8e in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#4 0x00007fad4eb85626 in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#5 0x00007fad4eb843ff in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#6 0x00007fad4eb6e9dc in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#7 0x00007fad4eb6f389 in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#8 0x00007fad4eb6f94d in dbus_connection_send_with_reply_and_block () from /lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#9 0x00007fad4f1d0a85 in cgmanager_ping_sync () from /lib/x86_64-linux-gnu/libcgmanager.so.0
No symbol table info available.
#10 0x00000000004223a3 in cgm_dbus_connect () at ../src/shared/cgmanager.c:73
dbus_error = {name = 0x0, message = 0x0, dummy1 = 1, dummy2 = 0, dummy3 = 0, dummy4 = 0, dummy5 = 1, padding1 = 0x2161b10}
connection = <optimised out>
__func__ = "cgm_dbus_connect"
#11 0x000000000041647f in cg_create (controller=controller at entry=0x212a3d0 "hugetlb", path=path at entry=0x2155dc0 "/user/0.user/c132.session",
suffix=suffix at entry=0x0) at ../src/shared/cgroup-label.c:47
fs = 0x0
r = <optimised out>
existed = 0
#12 0x000000000041655d in cg_create_and_attach (controller=controller at entry=0x212a3d0 "hugetlb", path=path at entry=0x2155dc0 "/user/0.user/c132.session",
pid=20656) at ../src/shared/cgroup-label.c:89
r = <optimised out>
q = <optimised out>
__PRETTY_FUNCTION__ = "cg_create_and_attach"
#13 0x000000000040f3ed in session_create_one_group (s=s at entry=0x2165df0, controller=controller at entry=0x212a3d0 "hugetlb",
path=path at entry=0x2155dc0 "/user/0.user/c132.session") at ../src/login/logind-session.c:442
r = <optimised out>
__PRETTY_FUNCTION__ = "session_create_one_group"
#14 0x00000000004107dc in session_create_cgroup (s=0x2165df0) at ../src/login/logind-session.c:511
k = 0x212a730
p = 0x2155dc0 "/user/0.user/c132.session"
r = <optimised out>
#15 session_start (s=0x2165df0) at ../src/login/logind-session.c:567
r = <optimised out>
__PRETTY_FUNCTION__ = "session_start"
__func__ = "session_start"
#16 0x000000000040c4d3 in bus_manager_create_session (_reply=0x7fff596b4828, message=0x212dcf0, m=<optimised out>) at ../src/login/logind-dbus.c:672
audit_id = 0
vtnr = 0
remote_user = 0x2137228 "root"
leader = 20656
id = 0x2166390 "c132"
r = <optimised out>
seat = 0x0
remote = 1
exists = 0
type = 0x21371e8 "unspecified"
remote_host = 0x2137234 "hendrix"
service = 0x21371dc "schroot"
p = 0x0
t = SESSION_UNSPECIFIED
user = 0x215c0a0
b = <optimised out>
kill_processes = 0
reset_controllers = 0x0
c = SESSION_BACKGROUND
iter = {dummy1 = 0x212dcf0, dummy2 = 0x7fad00600000, dummy3 = 35009132, dummy4 = 0, dummy5 = 34790648, dummy6 = 0, dummy7 = 165, dummy8 = 0,
dummy9 = 34790720, dummy10 = 0, dummy11 = 116, pad1 = 0, pad2 = 1322933504, pad3 = 0x7fad4eda65e0}
fifo_fd = 21
class = 0x21371f8 "background"
cseat = 0x2137208 ""
tty = 0x2137214 ""
display = 0x213721c ""
uid = 0
session = 0x2165df0
controllers = 0x0
cgroup = 0x215fb20 "/"
reply = 0x0
#17 manager_message_handler (connection=0x212a870, message=0x212dcf0, userdata=<optimised out>) at ../src/login/logind-dbus.c:1752
m = <optimised out>
---Type <return> to continue, or q <return> to quit---
error = {name = 0x0, message = 0x0, dummy1 = 1, dummy2 = 0, dummy3 = 0, dummy4 = 0, dummy5 = 0, padding1 = 0x1}
reply = 0x0
r = <optimised out>
__PRETTY_FUNCTION__ = "manager_message_handler"
#18 0x00007fad4eb7de26 in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#19 0x00007fad4eb70a01 in dbus_connection_dispatch () from /lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#20 0x0000000000409467 in manager_run (m=m at entry=0x212a010) at ../src/login/logind.c:1736
event = {events = 4294967295, data = {ptr = 0xffffffff, fd = -1, u32 = 4294967295, u64 = 4294967295}}
n = <optimised out>
msec = -1
__PRETTY_FUNCTION__ = "manager_run"
__func__ = "manager_run"
#21 0x000000000040622c in main (argc=<optimised out>, argv=<optimised out>) at ../src/login/logind.c:1867
m = 0x212a010
r = 0
__func__ = "main"
--
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https://bugs.launchpad.net/bugs/1303649
Title:
systemd-logind spins in cgmanager_ping_sync()
Status in “systemd” package in Ubuntu:
New
Bug description:
systemd-logind is consuming a high level of cpu on a continual basis:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
676 root 20 0 43644 2144 1568 R 100.0 0.0 74:43.77 systemd-logind
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: systemd-services 204-5ubuntu17
ProcVersionSignature: Ubuntu 3.13.0-22.44-generic 3.13.8
Uname: Linux 3.13.0-22-generic x86_64
ApportVersion: 2.14.1-0ubuntu1
Architecture: amd64
CurrentDesktop: Unity
Date: Mon Apr 7 09:09:37 2014
EcryptfsInUse: Yes
InstallationDate: Installed on 2013-04-23 (348 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130423)
SourcePackage: systemd
UpgradeStatus: Upgraded to trusty on 2013-11-11 (146 days ago)
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