I don't think this is fixed. Gnome-System-Monitor (System Monitor 2.28.0) sometimes consumes about 80% of one CPU Core. My machine Core2Duo / 8 GB Ram / Ubuntu 9.10 Karmic Additional information: 00:00.0 Host bridge: Intel Corporation 4 Series Chipset DRAM Controller (rev 03) 00:01.0 PCI bridge: Intel Corporation 4 Series Chipset PCI Express Root Port (rev 03) 00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03) 00:02.1 Display controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03) 00:03.0 Communication controller: Intel Corporation 4 Series Chipset HECI Controller (rev 03) 00:03.2 IDE interface: Intel Corporation 4 Series Chipset PT IDER Controller (rev 03) 00:03.3 Serial controller: Intel Corporation 4 Series Chipset Serial KT Controller (rev 03) 00:19.0 Ethernet controller: Intel Corporation 82567LM-3 Gigabit Network Connection (rev 02) 00:1a.0 USB Controller: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #4 (rev 02) 00:1a.1 USB Controller: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #5 (rev 02) 00:1a.2 USB Controller: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #6 (rev 02) 00:1a.7 USB Controller: Intel Corporation 82801JD/DO (ICH10 Family) USB2 EHCI Controller #2 (rev 02) 00:1b.0 Audio device: Intel Corporation 82801JD/DO (ICH10 Family) HD Audio Controller (rev 02) 00:1c.0 PCI bridge: Intel Corporation 82801JD/DO (ICH10 Family) PCI Express Port 1 (rev 02) 00:1c.1 PCI bridge: Intel Corporation 82801JD/DO (ICH10 Family) PCI Express Port 2 (rev 02) 00:1d.0 USB Controller: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #1 (rev 02) 00:1d.1 USB Controller: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #2 (rev 02) 00:1d.2 USB Controller: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #3 (rev 02) 00:1d.7 USB Controller: Intel Corporation 82801JD/DO (ICH10 Family) USB2 EHCI Controller #1 (rev 02) 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev a2) 00:1f.0 ISA bridge: Intel Corporation 82801JD (ICH10D) LPC Interface Controller (rev 02) 00:1f.2 SATA controller: Intel Corporation 82801JD/DO (ICH10 Family) SATA AHCI Controller (rev 02) 00:1f.3 SMBus: Intel Corporation 82801JD/DO (ICH10 Family) SMBus Controller (rev 02) Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 003: ID 046d:c313 Logitech, Inc. Bus 001 Device 004: ID 046d:c018 Logitech, Inc. Optical Wheel Mouse Bus 001 Device 002: ID 0424:2514 Standard Microsystems Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Disk /dev/sda: 160.0 GB, 160000000000 bytes 255 heads, 63 sectors/track, 19452 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk identifier: 0x00000080 Device Boot Start End Blocks Id System /dev/sda1 * 1 62 497983+ fd Linux raid autodetect /dev/sda2 63 560 4000185 82 Linux swap / Solaris /dev/sda3 561 19452 151749990 fd Linux raid autodetect Disk /dev/sdb: 160.0 GB, 160000000000 bytes 255 heads, 63 sectors/track, 19452 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk identifier: 0x00000081 Device Boot Start End Blocks Id System /dev/sdb1 * 1 62 497983+ fd Linux raid autodetect /dev/sdb2 63 560 4000185 82 Linux swap / Solaris /dev/sdb3 561 19452 151749990 fd Linux raid autodetect Disk /dev/md1: 155.4 GB, 155391885312 bytes 2 heads, 4 sectors/track, 37937472 cylinders Units = cylinders of 8 * 512 = 4096 bytes Disk identifier: 0x00000000 Disk /dev/md1 doesn't contain a valid partition table Disk /dev/md0: 509 MB, 509804544 bytes 2 heads, 4 sectors/track, 124464 cylinders Units = cylinders of 8 * 512 = 4096 bytes Disk identifier: 0x00000000 Disk /dev/md0 doesn't contain a valid partition table processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Core(TM)2 Duo CPU E7500 @ 2.93GHz stepping : 10 cpu MHz : 2933.000 cache size : 3072 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm tpr_shadow vnmi flexpriority bogomips : 5852.11 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Core(TM)2 Duo CPU E7500 @ 2.93GHz stepping : 10 cpu MHz : 2933.000 cache size : 3072 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm tpr_shadow vnmi flexpriority bogomips : 5851.96 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: MemTotal: 8026804 kB MemFree: 6840124 kB Buffers: 58308 kB Cached: 518656 kB SwapCached: 0 kB Active: 722400 kB Inactive: 197372 kB Active(anon): 613628 kB Inactive(anon): 16 kB Active(file): 108772 kB Inactive(file): 197356 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 8000352 kB SwapFree: 8000352 kB Dirty: 40 kB Writeback: 0 kB AnonPages: 342952 kB Mapped: 76044 kB Slab: 66612 kB SReclaimable: 44640 kB SUnreclaim: 21972 kB PageTables: 19968 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 12013752 kB Committed_AS: 1183712 kB VmallocTotal: 34359738367 kB VmallocUsed: 571748 kB VmallocChunk: 34359118015 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 10236 kB DirectMap2M: 8208384 kB Linux xxxxxxx 2.6.31-14-generic #46-Ubuntu SMP Tue Oct 13 16:47:28 UTC 2009 x86_64 GNU/Linux