rtkit is using cpu
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned |
Bug Description
I observe /usr/lib/
Ubuntu 3.0.0-12.20-generic 3.0.4
hill@ubuntu:~$ grep rtkit /var/log/syslog
Oct 18 14:55:41 ubuntu rtkit-daemon[1596]: The canary thread is apparently starving. Taking action.
Oct 18 14:55:41 ubuntu rtkit-daemon[1596]: Demoting known real-time threads.
Oct 18 14:55:41 ubuntu rtkit-daemon[1596]: Successfully demoted thread 1974 of process 1972 (n/a).
Oct 18 14:55:41 ubuntu rtkit-daemon[1596]: Successfully demoted thread 1973 of process 1972 (n/a).
Oct 18 14:55:41 ubuntu rtkit-daemon[1596]: Successfully demoted thread 1972 of process 1972 (n/a).
Oct 18 14:55:41 ubuntu rtkit-daemon[1596]: Demoted 3 threads.
Oct 19 14:22:53 ubuntu rtkit-daemon[1596]: The canary thread is apparently starving. Taking action.
Oct 19 14:22:53 ubuntu rtkit-daemon[1596]: Demoting known real-time threads.
Oct 19 14:22:53 ubuntu rtkit-daemon[1596]: Successfully demoted thread 1974 of process 1972 (n/a).
Oct 19 14:22:53 ubuntu rtkit-daemon[1596]: Successfully demoted thread 1973 of process 1972 (n/a).
Oct 19 14:22:53 ubuntu rtkit-daemon[1596]: Successfully demoted thread 1972 of process 1972 (n/a).
hill@ubuntu:~$ ps xau | grep 1972
hill 1972 0.0 0.2 97488 2688 ? Sl Oct17 0:21 /usr/bin/pulseaudio --start --log-target=syslog
hill 21250 0.0 0.0 4192 792 pts/4 R+ 13:46 0:00 grep --color=auto 1972
hill@ubuntu:~$ ps xau | grep 1973
hill 21252 0.0 0.0 4188 792 pts/4 R+ 13:46 0:00 grep --color=auto 1973
hill@ubuntu:~$ ps xau | grep 1974
hill 21254 0.0 0.0 4188 788 pts/4 S+ 13:46 0:00 grep --color=auto 1974
Changed in linux (Ubuntu): | |
status: | Incomplete → New |
Changed in linux (Ubuntu): | |
status: | Incomplete → Confirmed |
Changed in linux (Ubuntu): | |
status: | Expired → Confirmed |
00:00.0 Host bridge [0600]: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX Host bridge [8086:7190] (rev 01)
Subsystem: VMware Virtual Machine Chipset [15ad:1976]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Kernel driver in use: agpgart-intel
00:01.0 PCI bridge [0604]: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX AGP bridge [8086:7191] (rev 01) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap- 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
Secondary status: 66MHz+ FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- <SERR- <PERR-
BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B+
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Kernel modules: shpchp
00:07.0 ISA bridge [0601]: Intel Corporation 82371AB/EB/MB PIIX4 ISA [8086:7110] (rev 08)
Subsystem: VMware Virtual Machine Chipset [15ad:1976]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
00:07.1 IDE interface [0101]: Intel Corporation 82371AB/EB/MB PIIX4 IDE [8086:7111] (rev 01) (prog-if 8a [Master SecP PriP])
Subsystem: VMware Virtual Machine Chipset [15ad:1976]
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 64
Region 0: [virtual] Memory at 000001f0 (32-bit, non-prefetchable) [size=8]
Region 1: [virtual] Memory at 000003f0 (type 3, non-prefetchable) [size=1]
Region 2: [virtual] Memory at 00000170 (32-bit, non-prefetchable) [size=8]
Region 3: [virtual] Memory at 00000370 (type 3, non-prefetchable) [size=1]
Region 4: I/O ports at 10c0 [size=16]
Kernel driver in use: ata_piix
00:07.3 Bridge [0680]: Intel Corporation 82371AB/EB/MB PIIX4 ACPI [8086:7113] (rev 08)
Subsystem: VMware Virtual Machine Chipset [15ad:1976]
Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Interrupt: pin ? routed to IRQ 9
Kernel modules: i2c-piix4
00:07.7 System peripheral [0880]: VMware Virtual Machine Communication Interface [15ad:0740] (rev 10)
Subsystem: VMware Virtual Machine Communication Interface [15ad:0740]
Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Interrupt: pin A routed to IRQ 9
Region 0: I/O ports at 1080 [size=64]
Region 1: Memory at c8000000 (64-bit, non-prefetchable) [size=8K]
Capabilities: [40] MSI: Enable- Count=1/1 Maskable- ...