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Description of problem: Recent update caused the Xorg to use 99+% of CPU which creates lot of performance impact on my dual-core system and the runtime of xorg is showing invalid in top command output Tasks: 201 total, 2 running, 198 sleeping, 0 stopped, 1 zombie Cpu(s): 9.2%us, 38.6%sy, 0.0%ni, 52.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 2052500k total, 1919360k used, 133140k free, 235832k buffers Swap: 4128764k total, 0k used, 4128764k free, 1213736k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1800 root 7 0 88632 33m 13m R 99.5 1.7 80:30.46 Please find top and pstack output below TOP output ----------- Tasks: 201 total, 2 running, 198 sleeping, 0 stopped, 1 zombie Cpu(s): 9.2%us, 38.6%sy, 0.0%ni, 52.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 2052500k total, 1919360k used, 133140k free, 235832k buffers Swap: 4128764k total, 0k used, 4128764k free, 1213736k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1800 root 7 0 88632 33m 13m R 99.5 1.7 80:30.46 Xorg 2119 Sasi 1 0 153m 11m 9308 S 0.7 0.6 0:12.51 metacity 2141 Sasi 1 0 85352 12m 9856 S 0.7 0.6 0:11.79 wnck-applet 2407 Sasi 1 0 89552 12m 9248 S 0.3 0.6 0:10.81 gnome-terminal 11447 root 7 0 2744 1088 804 R 0.3 0.1 0:00.04 top 1 root 1 0 2876 1340 1136 S 0.0 0.1 0:01.70 init 2 root 1 0 0 0 0 S 0.0 0.0 0:00.01 kthreadd 3 root 1 0 0 0 0 S 0.0 0.0 0:00.46 ksoftirqd/0 6 root RT 0 0 0 0 S 0.0 0.0 0:00.00 migration/0 7 root RT 0 0 0 0 S 0.0 0.0 0:00.00 migration/1 9 root 1 0 0 0 0 S 0.0 0.0 0:00.60 ksoftirqd/1 10 root 1 0 0 0 0 S 0.0 0.0 0:12.54 kworker/0:1 11 root 1 -20 0 0 0 S 0.0 0.0 0:00.00 cpuset 12 root 1 -20 0 0 0 S 0.0 0.0 0:00.00 khelper 13 root 1 -20 0 0 0 S 0.0 0.0 0:00.00 netns 14 root 1 -20 0 0 0 S 0.0 0.0 0:00.00 pm 15 root 1 0 0 0 0 S 0.0 0.0 0:00.00 sync_supers 16 root 1 0 0 0 0 S 0.0 0.0 0:00.00 bdi-default 17 root 1 -20 0 0 0 S 0.0 0.0 0:00.00 kintegrityd 18 root 1 -20 0 0 0 S 0.0 0.0 0:00.00 kblockd 19 root 1 -20 0 0 0 S 0.0 0.0 0:00.00 kacpid 20 root 1 -20 0 0 0 S 0.0 0.0 0:00.00 kacpi_notify 21 root 1 -20 0 0 0 S 0.0 0.0 0:00.00 kacpi_hotplug 22 root 1 -20 0 0 0 S 0.0 0.0 0:00.00 ata_sff 23 root 1 0 0 0 0 S 0.0 0.0 0:00.02 khubd 24 root 1 0 0 0 0 S 0.0 0.0 0:00.13 kseriod Pstack output ------------- [root@Shash Sasi]# pstack 1800 #0 0xb7821424 in __kernel_vsyscall () #1 0x4ce741cd in ___newselect_nocancel () from /lib/libc.so.6 #2 0x080a7267 in WaitForSomething () #3 0x0806dc30 in ?? () #4 0x08062595 in _start () Version-Release number of selected component (if applicable): [root@Shash linux-2.6]# cat /etc/redhat-release Fedora release 13 (Goddard) How reproducible: Very time i logged into the machine I am facing this problem Steps to Reproduce: 1.Just login into the machine and start terminal with multiple windows and see top output 2. 3. Actual results: Xorg using 99+% CPU usage Expected results: It should not use 99% CPU Additional info:
Thanks for the bug report. We have reviewed the information you have provided above, and there is some additional information we require that will be helpful in our diagnosis of this issue. Please add drm.debug=0x04 to the kernel command line, restart computer, and attach * your X server config file (/etc/X11/xorg.conf, if available), * X server log file (/var/log/Xorg.*.log) * output of the dmesg command, and * system log (/var/log/messages) to the bug report as individual uncompressed file attachments using the bugzilla file attachment link above. We will review this issue again once you've had a chance to attach this information. Thanks in advance.
Created attachment 491042 [details] dmesg output
Created attachment 491044 [details] /var/log/messages
Created attachment 491046 [details] X server log file (/var/log/Xorg.*.log)
I attached the following logs files * X server log file (/var/log/Xorg.*.log) * output of the dmesg command, and * system log (/var/log/messages) Thanks
This message is a reminder that Fedora 13 is nearing its end of life. Approximately 30 (thirty) days from now Fedora will stop maintaining and issuing updates for Fedora 13. It is Fedora's policy to close all bug reports from releases that are no longer maintained. At that time this bug will be closed as WONTFIX if it remains open with a Fedora 'version' of '13'. Package Maintainer: If you wish for this bug to remain open because you plan to fix it in a currently maintained version, simply change the 'version' to a later Fedora version prior to Fedora 13's end of life. Bug Reporter: Thank you for reporting this issue and we are sorry that we may not be able to fix it before Fedora 13 is end of life. If you would still like to see this bug fixed and are able to reproduce it against a later version of Fedora please change the 'version' of this bug to the applicable version. If you are unable to change the version, please add a comment here and someone will do it for you. Although we aim to fix as many bugs as possible during every release's lifetime, sometimes those efforts are overtaken by events. Often a more recent Fedora release includes newer upstream software that fixes bugs or makes them obsolete. The process we are following is described here: http://fedoraproject.org/wiki/BugZappers/HouseKeeping
Closed the bug .. not able to reproduce this issue in f14