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kworker 100% of single core on mulit-core processor usage inquiry
by Martes 22 Apr '15

22 Apr '15

Greetings everyone. I am experiencing the kworker issue where a kworker is using 100% of a given core. This behavior was only observed after having installed a new water cooler, to replace a cooler that had died. (Sealed closed loop device from Corsair) The processor is staying around 40 degrees celsius as reported by the MB UEFI interface. (ksysguard shows between 29 degrees and 30 degrees, when running KDE 4) I am unable to isolate a cause, or resolution for getting the kworker usage back to normal. Very basic description of specs are as follows: AMD FX-8350 (not overclocked) 32GB Corsair memory (1866Mhz non-overclocked) Sabortooth 990FX MB I have checked the locations for interrupts which has been indicated online, however, I do not have any specific interrupts that are showing as even having a high integer value to unset. Here is the result of running the referenced command to view interrupts. [sysadmin@imaginationland ~]$ grep . -r /sys/firmware/acpi/interrupts/ /sys/firmware/acpi/interrupts/sci: 0 /sys/firmware/acpi/interrupts/error: 0 /sys/firmware/acpi/interrupts/gpe00: 0 invalid /sys/firmware/acpi/interrupts/gpe01: 0 invalid /sys/firmware/acpi/interrupts/gpe02: 0 invalid /sys/firmware/acpi/interrupts/gpe03: 0 disabled /sys/firmware/acpi/interrupts/gpe04: 0 disabled /sys/firmware/acpi/interrupts/gpe05: 0 enabled /sys/firmware/acpi/interrupts/gpe06: 0 invalid /sys/firmware/acpi/interrupts/gpe07: 0 invalid /sys/firmware/acpi/interrupts/gpe08: 0 invalid /sys/firmware/acpi/interrupts/gpe09: 0 invalid /sys/firmware/acpi/interrupts/gpe10: 0 disabled /sys/firmware/acpi/interrupts/gpe11: 0 disabled /sys/firmware/acpi/interrupts/gpe12: 0 disabled /sys/firmware/acpi/interrupts/gpe13: 0 invalid /sys/firmware/acpi/interrupts/gpe14: 0 invalid /sys/firmware/acpi/interrupts/gpe15: 0 invalid /sys/firmware/acpi/interrupts/gpe16: 0 enabled /sys/firmware/acpi/interrupts/gpe0A: 0 enabled /sys/firmware/acpi/interrupts/gpe17: 0 invalid /sys/firmware/acpi/interrupts/gpe0B: 0 disabled /sys/firmware/acpi/interrupts/gpe18: 0 disabled /sys/firmware/acpi/interrupts/gpe0C: 0 invalid /sys/firmware/acpi/interrupts/gpe19: 0 invalid /sys/firmware/acpi/interrupts/gpe0D: 0 invalid /sys/firmware/acpi/interrupts/gpe0E: 0 invalid /sys/firmware/acpi/interrupts/gpe0F: 0 disabled /sys/firmware/acpi/interrupts/gpe1A: 0 invalid /sys/firmware/acpi/interrupts/gpe1B: 0 disabled /sys/firmware/acpi/interrupts/gpe1C: 0 invalid /sys/firmware/acpi/interrupts/gpe1D: 0 invalid /sys/firmware/acpi/interrupts/gpe1E: 0 invalid /sys/firmware/acpi/interrupts/gpe1F: 0 invalid /sys/firmware/acpi/interrupts/sci_not: 0 /sys/firmware/acpi/interrupts/ff_pmtimer: 0 invalid /sys/firmware/acpi/interrupts/ff_rt_clk: 0 disabled /sys/firmware/acpi/interrupts/gpe_all: 0 /sys/firmware/acpi/interrupts/ff_gbl_lock: 0 enabled /sys/firmware/acpi/interrupts/ff_pwr_btn: 0 enabled /sys/firmware/acpi/interrupts/ff_slp_btn: 0 invalid Respectfully, Martes G Wigglesworth

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CentOS 7
by Jerry Geis 22 Apr '15

22 Apr '15

Two quick questions: 1) I have not found where I can set the workspaces to 1, not 4. Where is that. 2) My install (text mode only) seems to be using F1 as X11, I have to switch to ALT-F2 to get a login prompt. What controls that? X is not running, this is a console only. Thanks, Jerry

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CentOS-announce Digest, Vol 122, Issue 11
by centos-announce-request＠centos.org 22 Apr '15

22 Apr '15

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CEEA-2015:0861 CentOS 6 crash Enhancement Update (Johnny Hughes) 2. CESA-2015:0863 Moderate CentOS 6 glibc Security Update (Johnny Hughes) 3. CESA-2015:0867 Important CentOS 6 qemu-kvm Security Update (Johnny Hughes) 4. CESA-2015:0864 Important CentOS 6 kernel Security Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Tue, 21 Apr 2015 12:27:48 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CEEA-2015:0861 CentOS 6 crash Enhancement Update Message-ID: <20150421122748.GA22128(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Enhancement Advisory 2015:0861 Upstream details at : https://rhn.redhat.com/errata/RHEA-2015-0861.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: ae89791d574db4089e8c1039db89b9e2b5e29db15572b0645ffd8a62cae98fb7 crash-6.1.0-6.el6_6.i686.rpm 78992043643824307b96c8a2bcb295df654021bc5b8b61d3fd4787eb7f44a500 crash-devel-6.1.0-6.el6_6.i686.rpm x86_64: 361ffa189ab96f88aa4cad846fd43d3cf47c12bd34e48c4574de7335c84f5272 crash-6.1.0-6.el6_6.x86_64.rpm 78992043643824307b96c8a2bcb295df654021bc5b8b61d3fd4787eb7f44a500 crash-devel-6.1.0-6.el6_6.i686.rpm 956bef581cf42896917d34642ee52b88414ae9bd3036d6d3dfb13cabb3e983be crash-devel-6.1.0-6.el6_6.x86_64.rpm Source: ff598be0b6c6ccc5321d76cf28040cdb23d3f862cd0a3085fb8bd39df455b76f crash-6.1.0-6.el6_6.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Tue, 21 Apr 2015 13:07:39 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2015:0863 Moderate CentOS 6 glibc Security Update Message-ID: <20150421130739.GA23135(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2015:0863 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2015-0863.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 88b30b9049a6e88898b2e3f43927137c710ecbd50c41f2bdbb41315219a3ff54 glibc-2.12-1.149.el6_6.7.i686.rpm 892286a3246e0902d3ec52e456d546fc7b52b69b1287280fbf814e76da61c24e glibc-common-2.12-1.149.el6_6.7.i686.rpm 9e0f2408fdc81b300fb1b3024134091c207e4549ff30df20589d27b53d48ed9b glibc-devel-2.12-1.149.el6_6.7.i686.rpm 728c91fc9775209d89b50ab0cbc54aebc3782c70ebf5a8f8aba472d31b3aa098 glibc-headers-2.12-1.149.el6_6.7.i686.rpm e3175defb27fdfed0f1d069b557eb4bc397fde08819e6fbc91def82f363ede64 glibc-static-2.12-1.149.el6_6.7.i686.rpm f1abc2be2e57a7c83fd44b89baf9e8b2c2c5e742e736baae3731fc8a817ef58c glibc-utils-2.12-1.149.el6_6.7.i686.rpm 19c66618274bb5b9b492fec2386e4be04677a1692ddc6de9fe7e231bb7b00ffd nscd-2.12-1.149.el6_6.7.i686.rpm x86_64: 88b30b9049a6e88898b2e3f43927137c710ecbd50c41f2bdbb41315219a3ff54 glibc-2.12-1.149.el6_6.7.i686.rpm 93e1b271cefb124042e6e268f8c1fa659827cb22afa8f5fa13b87ebbf378a603 glibc-2.12-1.149.el6_6.7.x86_64.rpm d87d7e50b86050a97d4edc6047784ac979c102ab6c65027f740b04ed7216b4ea glibc-common-2.12-1.149.el6_6.7.x86_64.rpm 9e0f2408fdc81b300fb1b3024134091c207e4549ff30df20589d27b53d48ed9b glibc-devel-2.12-1.149.el6_6.7.i686.rpm a1807441d3603faa89fa1250cbd161fb402419c0344c30f6de7818423d8e483a glibc-devel-2.12-1.149.el6_6.7.x86_64.rpm bf01eeb6d972b32e0a028077d548f6b9f5113397977ca38185b64aa8a44ed972 glibc-headers-2.12-1.149.el6_6.7.x86_64.rpm e3175defb27fdfed0f1d069b557eb4bc397fde08819e6fbc91def82f363ede64 glibc-static-2.12-1.149.el6_6.7.i686.rpm b4dba15e4838741f77dcb6b771e3eee19c46a6588f1e36450df5fde0e162a9d6 glibc-static-2.12-1.149.el6_6.7.x86_64.rpm 00edf45c654d9297a3ee2c982dfbcc81a1d96ec83c01c8fae6e872346724c439 glibc-utils-2.12-1.149.el6_6.7.x86_64.rpm 20211d194910ffc33a88d4f2d0d2e4076d702c63108bf180e88615e5f5b0b19c nscd-2.12-1.149.el6_6.7.x86_64.rpm Source: e2f2b6a6fb6cd948561a3b434835bede80a9cfc997f6974e2509355c5ebf4f4e glibc-2.12-1.149.el6_6.7.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 3 Date: Wed, 22 Apr 2015 09:45:47 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2015:0867 Important CentOS 6 qemu-kvm Security Update Message-ID: <20150422094547.GA59561(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2015:0867 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2015-0867.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: f1b2ea595fd1df5cd0b5031ad6389073912cb4d175f094d32c887a79d7b2721e qemu-guest-agent-0.12.1.2-2.448.el6_6.2.i686.rpm x86_64: e277198df13167b1a279608f309968cbeea3b7813b56b3a039a5f8296fb0b535 qemu-guest-agent-0.12.1.2-2.448.el6_6.2.x86_64.rpm a755460458bfd8ebb0c0e894b7caf5c2d94390ce96051cb2d815fb15162d7f28 qemu-img-0.12.1.2-2.448.el6_6.2.x86_64.rpm a008fe54259159fe522e5cccc12c52ab1aa662d318f1b2eb003b30cb01209d3b qemu-kvm-0.12.1.2-2.448.el6_6.2.x86_64.rpm 8193a3930e0f9f96b1e5cea4e42a3d537092c039f0117e30c6d5313faff17a3e qemu-kvm-tools-0.12.1.2-2.448.el6_6.2.x86_64.rpm Source: d8f563e6ebe7ccb31b6ce0ac6490b0496ae0b50967a105380dd930a4d7606add qemu-kvm-0.12.1.2-2.448.el6_6.2.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 4 Date: Wed, 22 Apr 2015 09:51:52 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2015:0864 Important CentOS 6 kernel Security Update Message-ID: <20150422095152.GA60098(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2015:0864 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2015-0864.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 31b24c742e30d03eef068ac51f1ca07f5c3a02c4f4a988b4519a533b7dfb8c71 kernel-2.6.32-504.16.2.el6.i686.rpm 06a5262def11bbeee0572101b4b4243c5a31a55a4f45ea33f9ebbfa6cde30bc9 kernel-abi-whitelists-2.6.32-504.16.2.el6.noarch.rpm 8077fb249341e2a249345846384ad3d91916845ad0bd8a8ea4529ddf135bc59e kernel-debug-2.6.32-504.16.2.el6.i686.rpm 536ab05730074c92af1fbfdc5da7c21830637199c1aba53bcf760ddb3297adb4 kernel-debug-devel-2.6.32-504.16.2.el6.i686.rpm c04ee8bffa8b5165ca9695b43c57ee1f95916a229fa1aeddfc3a084fb8d26826 kernel-devel-2.6.32-504.16.2.el6.i686.rpm 3a5fec20c360b962eb6899bbafbad30fd135badfdf90b77276eb0f794254c97f kernel-doc-2.6.32-504.16.2.el6.noarch.rpm b0914773e170bcb9ea774e5061356d811517a4e1ee5a7857d8dd411072a62104 kernel-firmware-2.6.32-504.16.2.el6.noarch.rpm b74f7eb051545a2abd7a27c887b0d5e8484530b6f60b7fde60ad97db295631d9 kernel-headers-2.6.32-504.16.2.el6.i686.rpm bd45c211850f79ebf492917bcc2d783ae7f50b85f55709febb7d68a58d53beec perf-2.6.32-504.16.2.el6.i686.rpm 52b754590496e9624ccca4c74072df64a0c0e5bfc67bc0fb295cd1716585cacd python-perf-2.6.32-504.16.2.el6.i686.rpm x86_64: 9ca93dc7a0f0241828f5741e9dad3e5f8a76a2a4ae651fe667069c9870c269fa kernel-2.6.32-504.16.2.el6.x86_64.rpm 06a5262def11bbeee0572101b4b4243c5a31a55a4f45ea33f9ebbfa6cde30bc9 kernel-abi-whitelists-2.6.32-504.16.2.el6.noarch.rpm b01274ee4dbb1a15246a0009ebfbd7f71bd82f8d52e171ebf5fec38e81b42c9c kernel-debug-2.6.32-504.16.2.el6.x86_64.rpm 23ed9a596107aff6ee765973d7c712649d6a7d1edd273de4d580afe3164fd61d kernel-debug-devel-2.6.32-504.16.2.el6.x86_64.rpm 57728d7d7d067cd724b055e023ed89e93619a0029eb252588242400cbda486cb kernel-devel-2.6.32-504.16.2.el6.x86_64.rpm 3a5fec20c360b962eb6899bbafbad30fd135badfdf90b77276eb0f794254c97f kernel-doc-2.6.32-504.16.2.el6.noarch.rpm b0914773e170bcb9ea774e5061356d811517a4e1ee5a7857d8dd411072a62104 kernel-firmware-2.6.32-504.16.2.el6.noarch.rpm 96b5e16c3489f088748889d18d16f1f813aaee1cc98dc9455b4068cb52943c9c kernel-headers-2.6.32-504.16.2.el6.x86_64.rpm 04510214dd0ed77628cbc24a2787692422e953ba83329cdbfcf397f410667557 perf-2.6.32-504.16.2.el6.x86_64.rpm 715a06476e838580ddbefa8321e683f26f37dbfedba61e019928a84cb548d0ba python-perf-2.6.32-504.16.2.el6.x86_64.rpm Source: 702f6044ee3d062f68de8dbc71eca0ca0ef000efd6a8cb9951beddb3d507e382 kernel-2.6.32-504.16.2.el6.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org http://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 122, Issue 11 ************************************************

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C7 systemd and network configuration
by Mihamina Rakotomandimby 22 Apr '15

22 Apr '15

Hi all, I used to manage network through /etc/sysconfig/network-scripts/ifcfg-* Most of my use case are vlans (ie: eth0.1) an aliases (ie: eth1:3) My context in headless VMs (no DE, no Xorg, no GUI) With CentOS7 and systemd: is it still managed with /etc/sysconfig/network-scripts/ifcfg-* ? For the mount component, I found that systemd kind of "sources" /etc/fstab and converts it to something for it (so, no worry about fstab), but how about networking? Thanks.

5 7

Re: [CentOS] How to stagger fsck executions
by Hugh E Cruickshank 21 Apr '15

21 Apr '15

From: Mark Milhollan Sent: April 21, 2015 05:35 > On Mon, 20 Apr 2015, Hugh E Cruickshank wrote: > > >CentOS 6 > > >From ''man fstab'' ... > > The sixth field, (fs_passno), is used by the fsck(8) > program to determine the order > in which filesystem checks are done at reboot time. > The root filesystem should be > specified with a fs_passno of 1, and other > filesystems should have a fs_passno of > 2. Filesystems within a drive will be checked > sequentially, but filesystems on > different drives will be checked at the same time to > utilize parallelism available > in the hardware. If the sixth field is not present or > zero, a value of zero is > returned and fsck will assume that the filesystem does > not need to be checked. Thanks but changing the order of execution or executing them in parallel does not help with executing them one per reboot. Regards, Hugh -- Hugh E Cruickshank, Forward Software, www.forward-software.com

4 9

CentOS 7 and vino
by Jerry Geis 21 Apr '15

21 Apr '15

I am trying to get vino going on CentOS 7.1 I run this command: gsettings set org.gnome.Vino require-encryption false Then this one: gsettings list-recursively org.gnome.Vino org.gnome.Vino notify-on-connect true org.gnome.Vino alternative-port uint16 5900 org.gnome.Vino disable-background false org.gnome.Vino use-alternative-port false org.gnome.Vino icon-visibility 'client' org.gnome.Vino use-upnp false org.gnome.Vino view-only true org.gnome.Vino enabled true org.gnome.Vino prompt-enabled false org.gnome.Vino disable-xdamage false org.gnome.Vino authentication-methods ['none'] org.gnome.Vino network-interface '' org.gnome.Vino require-encryption true org.gnome.Vino mailto '' org.gnome.Vino lock-screen-on-disconnect false org.gnome.Vino vnc-password 'keyring' The require-encryption does not change. Any reason why its not changing? Thanks, Jerry

1 0

MATE power save and dpms
by Johnny Hughes 21 Apr '15

21 Apr '15

So, I am using MATE from EPEL as my desktop on one of my laptops. The screen saver was working, however the monitors (if connected via a docking station) were not going to sleep even if selected via the GUI mate power manager. I then discovered that dpms has to be initialized via the command line before it becomes available, regardless of the GUI mate power manager setting. This documentation for Fedora has the detailed info: http://docs.fedoraproject.org/en-US/Fedora/19/pdf/Power_Management_Guide/Fe… (see page 37 in the document index ... or page 45 of 52 in the pdf reader) But basically, I needed to do this to turn on DPMS to happen at the 10 minute point: xset +dpms; xset dpms 0 0 600 I figured I can't be the only one who had this problem .. so I thought I would post it here. Thanks, Johnny Hughes

2 1

vncserver on CentOS 7.1
by Jerry Geis 21 Apr '15

21 Apr '15

I have gone through all the "new" setup for VNC server on 7.1 (goodness - that certainly is not easier than the previous way) Anyway - I have my port on 5901 and that is working. However - when I VNC into a box I get a different screen - I want to be on the same screen as the user that is on the console. how do I do that? Thanks, Jerry

2 1

wireshark 1.12.4
by Steve Clark 21 Apr '15

21 Apr '15

Hi, Does anyone know where I could find wireshark-1.12.4 el6 rpm? Thanks, -- Stephen Clark

3 3

CentOS5 + lighttpd (EPEL) - fix Chrome security warning?
by Bart Schaefer 20 Apr '15

20 Apr '15

Apologies if I should ask this elsewhere, google search is not helping. I've got a CentOS5 server with lighttpd installed from EPEL, configured for https only (no connections on ports other than 443). I have the latest security updates for openssl, etc. However, when connecting to the server with recent Chrome from Windows or Android, I get the "Your connection is not private" dialog with "NET::ERR_CERT_VALIDITY_TOO_LONG". Is this just a configuration issue (in which case, what do I change?) or do I need to further upgrade one of lighttpd or openssl? Thanks for any feedback.

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