[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
as in bug 49141 ksoftirqd/1 uses 100% of cpu1 after resuming from suspend Linux ubuntu 2.6.27-11-generic #1 SMP Thu Jan 22 17:22:40 UTC 2009 i686 GNU/Linux Intrepid intel core 2 duo -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
booting with nohz=off makes no difference -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
Thanks for the update. I'll mark this Fix Released against Hardy. Thanks. ** Changed in: linux (Ubuntu) Status: Incomplete = Fix Released -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
I've upgraded my system to Hardy (kernel 2.6.24-19) and I no longer see the problem. I think it was an issue with 2.6.22 only. -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
The Ubuntu Kernel Team is planning to move to the 2.6.27 kernel for the upcoming Intrepid Ibex 8.10 release. As a result, the kernel team would appreciate it if you could please test this newer 2.6.27 Ubuntu kernel. There are one of two ways you should be able to test: 1) If you are comfortable installing packages on your own, the linux- image-2.6.27-* package is currently available for you to install and test. --or-- 2) The upcoming Alpha5 for Intrepid Ibex 8.10 will contain this newer 2.6.27 Ubuntu kernel. Alpha5 is set to be released Thursday Sept 4. Please watch http://www.ubuntu.com/testing for Alpha5 to be announced. You should then be able to test via a LiveCD. Please let us know immediately if this newer 2.6.27 kernel resolves the bug reported here or if the issue remains. More importantly, please open a new bug report for each new bug/regression introduced by the 2.6.27 kernel and tag the bug report with 'linux-2.6.27'. Also, please specifically note if the issue does or does not appear in the 2.6.26 kernel. Thanks again, we really appreicate your help and feedback. ** Tags added: cft-2.6.27 -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
I have not modules cx8800 or et131x loaded, but there is same bug in Hardy final release! ksoftirqd/0 eats about 25%, but not all time. This happens sometimes and until I restart laptop. Actually, I can't restart normally, because after Ubuntu continues unloading screen fills by gray color with vertical lines of different colors... My machine is: Aser Aspire 5290G Core2Duo T5550 1,83GHz Nvidia 8600GS Maybe it is because proprietary video driver?... I have 169.12 from Nvidia's official site installed manually. -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
Can those experiencing this issue try booting with the following kernel boot option: nohz=off This disables the 'tickless' aspect of the tickless kernel (enabled by default in Gutsy perhaps other releases). ksoftirqd appears to be getting bombarded by by requests (probably from not quite fully polished hardware drivers). This won't fix any hardware driver issues but may stop the CPU being bothered so much by errant requests. -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
Does Hardy 8.04 alpha 5 solve this issue? -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
Same problem here, Ubuntu 7.10, 2.6.22-14-generic Using a Leadtek Winfast TV2000XP Expert card. [EMAIL PROTECTED]:~$ sudo modprobe cx8800 [EMAIL PROTECTED]:~$ top (...) root 34 19 000 S 20.9 0.0 343:13.76 ksoftirqd/0 (20.9% CPU use) [EMAIL PROTECTED]:~$ sudo rmmod cx8800 [EMAIL PROTECTED]:~$ top (...) root 34 19 000 S 0.0 0.0 343:29.11 ksoftirqd/0 (0.0% CPU use) -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
I am having this problem too. I have a LG Z1 Pro Express Dual laptop with 2GB of RAM, Intel Core 2 Duo processor ([EMAIL PROTECTED]), an ATI Mobility Radeon X1350 (using ATI Catalyst 8.1 Proprietary Linux x86 Display Driver, v8.45.4) and Intel 3945 WLAN. Using Kubuntu 7.10 Linux paulo-laptop 2.6.22-14-generic #1 SMP Fri Feb 1 04:59:50 UTC 2008 i686 GNU/Linux ** Attachment added: lspci.txt http://launchpadlibrarian.net/11846724/lspci.txt -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
I have this problem too. I have Leadtek winfast 2000/XP Expert, and when I unload cx8800 module, the CPU usage is 0%, but when the module is loaded, CPU usage is 30%. Please fix this. ** Attachment added: lspci.txt http://launchpadlibrarian.net/11805243/lspci.txt -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
Same behaviour with: 2.6.22-14-generic #1 SMP i686 GNU/Linux Intel Core2Duo top - 14:36:03 up 5:08, 4 users, load average: 0.90, 0.83, 0.74 Tasks: 151 total, 1 running, 150 sleeping, 0 stopped, 0 zombie Cpu(s): 5.4%us, 6.2%sy, 0.1%ni, 87.0%id, 0.6%wa, 0.1%hi, 0.6%si, 0.0%st Mem: 2075680k total, 1476728k used, 598952k free,75632k buffers Swap: 1951856k total,0k used, 1951856k free, 1044028k cached PID USER PR NI VIRT RES SHR S %CPU %MEMTIME+ COMMAND 4 root 34 19 000 S 22 0.0 30:18.50 ksoftirqd/0 No Tv Card, but the machine has a Nvidia 7300, primary display. Second on board display is deactivated. I noticed this just happens with X on. Regards -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
Hmmm, it seems I've able to resolve my problem unistalling the propietary nvidia drivers completly from from system, via restricted modules on System - Admin menu. I now use nv one. Hope this helps. -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
I also use this module with a TV card, and get the same issue. P4 2.4Ghz, 1GB RAM, Conexant CX23880/1/2/3 PCI Video and Audio Decoder (rev 05). -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
I do not have a TV card or anything special, just a laptop equipped with a Core Duo, an Ati X1400 (driven by the standard VESA driver), Intel 3945 WLAN -- and I'm also having this problem. -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
I am assigning this bug to the 'ubuntu-kernel-team' per their bug policy. For future reference you can learn more about their bug policy at https://wiki.ubuntu.com/KernelTeamBugPolicies . ** Changed in: linux-source-2.6.22 (Ubuntu) Assignee: (unassigned) = Ubuntu Kernel Team (ubuntu-kernel-team) -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
Same problem here. Gutsy + all updates, same kernel, same TV Card module. 30% CPU all the time. -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
I have the same problem (clean gutsy install), also about 25% CPU usage all the time. My CPU is a AMD Athlon(tm) 64 Processor 3500+, I have a Multimedia video controller: Conexant CX23880/1/2/3 PCI Video and Audio Decoder (rev 05) And my motherboard is a MSI nforce3 K8N Neo2 I was able also to solve this problem by installing linux- image-2.6.22-14-386 rather than linux-image-2.6.22-14-generic -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
ah, and as read on the mandriva bug system, if you use a generic kernel, a simple rmmod cx8800 will also solve the problem. -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
ad Colas: removing cx8800 module will solve the problem, but your TV card will not work. Which is not desired. -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
I can confirm this. Passing acpi=off at boot solves the problem, however this makes the cpu run with only one core. -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
I have the same problem (clean gutsy install), also about 25% CPU usage all the time. The bug is caused by the cx8800 module, which is used for a TV card. I have found the same report on madriva bugzilla: http://qa.mandriva.com/show_bug.cgi?id=32300 They have resolved this issue and fixed it with a patch in madriva. Please, include this patch also in Ubuntu, as soon as possible, this is really important. Thank you. ** Changed in: linux-source-2.6.22 (Ubuntu) Status: New = Confirmed -- ksoftirqd/0 always using about 30% cpu time https://bugs.launchpad.net/bugs/153195 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 153195] Re: ksoftirqd/0 always using about 30% cpu time
** Description changed: Binary package hint: linux-image-2.6.22-14-generic After upgrading from feisty to gutsy I noticed that ksoftirqd on CPU 0 is always using about 30% of of that CPU even when the system is otherwise idle. I have upgraded the 2.6.22 kernel about 3 times over the past 2 weeks and it has always had the same results. I don't remember seeing this with 2.6.20 (with feisty) I have a MSI P6N SLI Platinum (NF650ISLI) motherboard with an Intel - Penduam Duo E2160. + Dual-Core E2160. I just patched to the latest kernel (2.6.22-14-generic) and it has been up for 91min and the ksofirqd/0 process has already used 28min of CPU time. [EMAIL PROTECTED]:~$ top top - 19:55:45 up 1:31, 2 users, load average: 0.73, 0.71, 0.65 Tasks: 113 total, 1 running, 112 sleeping, 0 stopped, 0 zombie Cpu(s): 0.1%us, 14.3%sy, 0.0%ni, 83.8%id, 0.2%wa, 0.1%hi, 1.5%si, 0.0%st Mem: 1035376k total, 491236k used, 544140k free,14164k buffers Swap: 1959920k total,0k used, 1959920k free, 359808k cached PID USER PR NI VIRT RES SHR S %CPU %MEMTIME+ COMMAND 4 root 34 19 000 S 36 0.0 28:55.04 ksoftirqd/0 1 root 18 0 2952 1852 532 S0 0.2 0:01.33 init 2 root 11 -5 000 S0 0.0 0:00.00 kthreadd 3 root RT -5 000 S0 0.0 0:00.00 migration/0 5 root RT -5 000 S0 0.0 0:00.00 watchdog/0 6 root RT -5 000 S0 0.0 0:00.00 migration/1 7 root 34 19 000 S0 0.0 0:00.00 ksoftirqd/1 8 root RT -5 000 S0 0.0 0:00.00 watchdog/1 9 root 10 -5 000 S0 0.0 0:00.00 events/0 I don't know if these numbers are high but here are some dumps of /proc/interrupts [EMAIL PROTECTED]:~$ uptime ; cat /proc/interrupts 18:30:17 up 6 min, 1 user, load average: 0.84, 0.68, 0.34 CPU0 CPU1 0:167 0 IO-APIC-edge timer 1: 10 0 IO-APIC-edge i8042 7: 1 0 IO-APIC-edge parport0 8: 43 0 IO-APIC-edge rtc 9: 0 0 IO-APIC-fasteoi acpi 12:113 0 IO-APIC-edge i8042 16: 21233 0 IO-APIC-fasteoi sata_sil24, nvidia 17: 36265 0 IO-APIC-fasteoi ohci_hcd:usb2, eth0 18: 6559 0 IO-APIC-fasteoi sata_nv, HDA Intel 19: 0 0 IO-APIC-fasteoi sata_nv 20: 10203 0 IO-APIC-fasteoi ehci_hcd:usb1 21: 2 0 IO-APIC-fasteoi ohci1394 22: 0 0 IO-APIC-fasteoi cx88[0], cx88[0] 23: 0 0 IO-APIC-fasteoi ivtv0 NMI: 0 0 LOC: 95979 98588 ERR: 1 MIS: 0 [EMAIL PROTECTED]:~$ uptime ; cat /proc/interrupts 18:46:15 up 22 min, 2 users, load average: 0.77, 0.72, 0.56 CPU0 CPU1 0:167 0 IO-APIC-edge timer 1: 10 0 IO-APIC-edge i8042 7: 1 0 IO-APIC-edge parport0 8: 43 0 IO-APIC-edge rtc 9: 0 0 IO-APIC-fasteoi acpi 12:113 0 IO-APIC-edge i8042 16: 79657 0 IO-APIC-fasteoi sata_sil24, nvidia 17: 176309 0 IO-APIC-fasteoi ohci_hcd:usb2, eth0 18: 10070 0 IO-APIC-fasteoi sata_nv, HDA Intel 19: 0 0 IO-APIC-fasteoi sata_nv 20: 36429 0 IO-APIC-fasteoi ehci_hcd:usb1 21: 2 0 IO-APIC-fasteoi ohci1394 22: 0 0 IO-APIC-fasteoi cx88[0], cx88[0] 23: 0 0 IO-APIC-fasteoi ivtv0 NMI: 0 0 LOC: 339343 349675 ERR: 1 MIS: 0 [EMAIL PROTECTED]:~$ uptime ; cat /proc/interrupts 19:34:57 up 1:11, 2 users, load average: 0.63, 0.71, 0.65 CPU0 CPU1 0:167 0 IO-APIC-edge timer 1: 10 0 IO-APIC-edge i8042 7: 1 0 IO-APIC-edge parport0 8: 43 0 IO-APIC-edge rtc 9: 0 0 IO-APIC-fasteoi acpi 12:113 0 IO-APIC-edge i8042 16: 257797 0 IO-APIC-fasteoi sata_sil24, nvidia 17: 609690 0 IO-APIC-fasteoi ohci_hcd:usb2, eth0 18: 20828 0 IO-APIC-fasteoi sata_nv, HDA Intel 19: 0 0 IO-APIC-fasteoi sata_nv 20: 116185 0 IO-APIC-fasteoi ehci_hcd:usb1 21: 2 0 IO-APIC-fasteoi ohci1394 22: 0 0 IO-APIC-fasteoi cx88[0], cx88[0] 23:
