I honestly don't know what information to post for this. I have a hardened-sources-4.1.7 kernel that uses all of my cpu cores. I copied the .config into hardened-sources-4.2.7, ran "make", pressed enter for every prompt to accept the default, and the resulting kernel will only use a single core, with very occasionally htop showing another core being used for a moment. I've had this behavior happening for 4.2.6-r* as well. What information would help debug this? Reproducible: Always
Your emerge --info, hardware setup...
ymir jonesmz # emerge --info hardened-sources Portage 2.2.24 (python 3.4.3-final-0, hardened/linux/amd64/no-multilib, gcc-4.9.3, glibc-2.21-r1, 4.1.7-hardened-r1 x86_64) ================================================================= System Settings ================================================================= System uname: Linux-4.1.7-hardened-r1-x86_64-Intel-R-_Core-TM-2_Quad_CPU_Q9550_@_2.83GHz-with-gentoo-2.2 KiB Mem: 8179560 total, 3838060 free KiB Swap: 10494972 total, 10494972 free Timestamp of repository gentoo: Mon, 14 Dec 2015 05:00:01 +0000 sh bash 4.3_p39 ld GNU ld (Gentoo 2.25.1 p1.1) 2.25.1 distcc 3.2rc1 x86_64-pc-linux-gnu [disabled] app-shells/bash: 4.3_p39::gentoo dev-java/java-config: 2.2.0::gentoo dev-lang/perl: 5.20.2::gentoo dev-lang/python: 2.7.10-r1::gentoo, 3.4.3::gentoo dev-util/cmake: 3.3.1-r1::gentoo dev-util/pkgconfig: 0.28-r2::gentoo sys-apps/baselayout: 2.2::gentoo sys-apps/openrc: 0.18.4::gentoo sys-apps/sandbox: 2.6-r1::gentoo sys-devel/autoconf: 2.13::gentoo, 2.69::gentoo sys-devel/automake: 1.11.6-r1::gentoo, 1.12.6::gentoo, 1.14.1::gentoo, 1.15::gentoo sys-devel/binutils: 2.25.1-r1::gentoo sys-devel/gcc: 4.9.3::gentoo sys-devel/gcc-config: 1.7.3::gentoo sys-devel/libtool: 2.4.6::gentoo sys-devel/make: 4.1-r1::gentoo sys-kernel/linux-headers: 3.18::gentoo (virtual/os-headers) sys-libs/glibc: 2.21-r1::gentoo Repositories: gentoo location: /usr/portage sync-type: rsync sync-uri: rsync://rsync.gentoo.org/gentoo-portage priority: -1000 aerosta-llc-private-overlay location: /var/lib/layman/aerosta masters: gentoo priority: 0 atlassian-ebuilds location: /var/lib/layman/atlassian masters: gentoo priority: 1 jonesmz-public-overlay location: /var/lib/layman/jonesmz_public masters: gentoo priority: 2 Installed sets: @amd64-desktop-applications, @android, @archive, @creative, @development-cli, @development-gui, @games, @java, @lxqt, @multimedia, @network-manager, @pc-base-system, @portage, @qt, @vcs, @virt-client ACCEPT_KEYWORDS="amd64" ACCEPT_LICENSE="* -@EULA" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -pipe -march=x86-64 -mtune=generic -O2 -pipe" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /etc/grs/systems.conf /usr/lib64/libreoffice/program/sofficerc /usr/share/config /usr/share/gnupg/qualified.txt" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c" CXXFLAGS="-O2 -pipe -O2 -pipe -march=x86-64 -mtune=generic -O2 -pipe" DISTDIR="/usr/portage/distfiles" EMERGE_DEFAULT_OPTS=" --jobs --keep-going --newuse --deep --backtrack=3000 --complete-graph --with-bdeps=y" FCFLAGS="-O2 -pipe" FEATURES="assume-digests binpkg-logs buildpkg clean-logs compress-build-logs compressdebug config-protect-if-modified distlocks ebuild-locks fixlafiles installsources merge-sync news parallel-fetch parallel-install preserve-libs protect-owned sandbox sfperms split-elog split-log splitdebug strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr" FFLAGS="-O2 -pipe" GENTOO_MIRRORS="http://distfiles.gentoo.org http://mirrors.rit.edu/gentoo/ http://mirror.datapipe.net/gentoo http://mirror.usu.edu/mirrors/gentoo/ http://gentoo.mirrors.hoobly.com/ http://gentoo.netnitco.net" LANG="en_US.utf8" LDFLAGS="-Wl,-O1 -Wl,--as-needed" MAKEOPTS="-j5" PKGDIR="/usr/portage-packages" PORTAGE_COMPRESS="xz" PORTAGE_CONFIGROOT="/" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_TMPDIR="/var/tmp" USE="X a52 aac acl acpi alsa amd64 apng autoipd avahi berkdb branding bzip2 cairo cdda cdr clang cli cracklib crypt cxx dbus dconf dri dts dvd dvdr egl emboss encode exif fam ffmpeg firefox flac gd gdbm gif gnome-keyring gpm gstreamer gtk gudev hardened iconv icu ipv6 jpeg justify lcms libnotify libsecret lm_sensors mad mdnsresponder-compat minizip mmx mmxext mng modules mp3 mp4 mpeg ncurses networkmanager nls nptl ogg opengl openmp pam pango pax_kernel pcre pdf pie png policykit postgres ppds pulseaudio python qt4 qt5 readline samba sdl seccomp session sound spell sqlite sse sse2 ssl ssp startup-notification svg systemd tcpd theora threads tiff truetype udev udisks unicode upower urandom usb vorbis wayland widevine x264 xattr xcb xinerama xml xtpax xv xvid zeroconf zlib" ABI_X86="64" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump author" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="mmx sse sse2 mmxext" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ublox ubx" GRUB_PLATFORMS="coreboot efi-32 efi-64 emu qemu pc" INPUT_DEVICES="evdev synaptics mouse keyboard wacom" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LINGUAS="en en_US" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-5" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_4" QEMU_SOFTMMU_TARGETS="arm aarch64 i386 x86_64" QEMU_USER_TARGETS="arm aarch64 i386 x86_64" RUBY_TARGETS="ruby20 ruby21 ruby20 ruby21" USERLAND="GNU" VIDEO_CARDS="intel i965 nouveau vesa modesetting fbdev qxl radeon r600 radeonsi amdgpu" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account" Unset: CC, CPPFLAGS, CTARGET, CXX, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, USE_PYTHON ================================================================= Package Settings ================================================================= sys-kernel/hardened-sources-4.2.7::gentoo was built with the following: USE="-build -deblob -symlink"
Created attachment 419240 [details] linux-4.1.7-hardened-r1 config (works properly)
Created attachment 419242 [details] linux-4.2.7-hardened config (does not work properly)
ymir linux-4.1.7-hardened-r1 # cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Core(TM)2 Quad CPU Q9550 @ 2.83GHz stepping : 7 microcode : 0x705 cpu MHz : 2834.000 cache size : 6144 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 4 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 10 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 nopl aperfmperf pni dtes64 monitor ds_cpl v mx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 lahf_lm dtherm tpr_shadow vnmi flexpriority bugs : bogomips : 5665.83 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 Quad CPU Q9550 @ 2.83GHz stepping : 7 microcode : 0x705 cpu MHz : 2834.000 cache size : 6144 KB physical id : 0 siblings : 4 core id : 3 cpu cores : 4 apicid : 3 initial apicid : 3 fpu : yes fpu_exception : yes cpuid level : 10 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 nopl aperfmperf pni dtes64 monitor ds_cpl v mx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 lahf_lm dtherm tpr_shadow vnmi flexpriority bugs : bogomips : 5665.83 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 2 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Core(TM)2 Quad CPU Q9550 @ 2.83GHz stepping : 7 microcode : 0x705 cpu MHz : 2834.000 cache size : 6144 KB physical id : 0 siblings : 4 core id : 2 cpu cores : 4 apicid : 2 initial apicid : 2 fpu : yes fpu_exception : yes cpuid level : 10 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 nopl aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 lahf_lm dtherm tpr_shadow vnmi flexpriority bugs : bogomips : 5665.83 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 3 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Core(TM)2 Quad CPU Q9550 @ 2.83GHz stepping : 7 microcode : 0x705 cpu MHz : 2834.000 cache size : 6144 KB physical id : 0 siblings : 4 core id : 1 cpu cores : 4 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 10 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 nopl aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 lahf_lm dtherm tpr_shadow vnmi flexpriority bugs : bogomips : 5665.83 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management:
mir linux-4.1.7-hardened-r1 # lshw ymir description: Desktop Computer product: EP45-UD3R () vendor: Gigabyte Technology Co., Ltd. width: 64 bits capabilities: smbios-2.4 dmi-2.4 vsyscall32 configuration: boot=normal chassis=desktop uuid=00000000-0000-0000-0000-001FD09DEEC9 *-core description: Motherboard product: EP45-UD3R vendor: Gigabyte Technology Co., Ltd. physical id: 0 version: x.x *-firmware description: BIOS vendor: Award Software International, Inc. physical id: 0 version: F12 date: 01/25/2010 size: 128KiB capacity: 960KiB capabilities: pci pnp upgrade shadowing cdboot bootselect edd int13floppy360 int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer int10video acpi usb ls120boot zipboot biosbootspeci fication *-cpu description: CPU product: Intel(R) Core(TM)2 Quad CPU Q9550 @ 2.83GHz vendor: Intel Corp. physical id: 4 bus info: cpu@0 version: Intel(R) Core(TM)2 Quad CPU Q9550 @ slot: Socket 775 size: 2834MHz capacity: 4GHz width: 64 bits clock: 333MHz capabilities: fpu fpu_exception wp 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 x86-64 constant_tsc arch_perfmon pebs bts rep_good nopl aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 lahf_lm dtherm tpr_shadow vnmi flexpriority cpufreq *-cache:0 description: L1 cache physical id: a slot: Internal Cache size: 64KiB capacity: 64KiB capabilities: synchronous internal write-back *-cache:1 description: L2 cache physical id: b slot: External Cache size: 6MiB capabilities: synchronous internal write-back *-memory description: System Memory physical id: 19 slot: System board or motherboard size: 8GiB *-bank:0 description: DIMM 800 MHz (1.2 ns) physical id: 0 slot: A0 size: 2GiB width: 64 bits clock: 800MHz (1.2ns) *-bank:1 description: DIMM 800 MHz (1.2 ns) physical id: 1 slot: A1 size: 2GiB width: 64 bits clock: 800MHz (1.2ns) *-bank:2 description: DIMM 800 MHz (1.2 ns) physical id: 2 slot: A2 size: 2GiB width: 64 bits clock: 800MHz (1.2ns) *-bank:3 description: DIMM 800 MHz (1.2 ns) physical id: 3 slot: A3 size: 2GiB width: 64 bits clock: 800MHz (1.2ns)
*-pci description: Host bridge product: 4 Series Chipset DRAM Controller vendor: Intel Corporation physical id: 100 bus info: pci@0000:00:00.0 version: 03 width: 32 bits clock: 33MHz *-pci:0 description: PCI bridge product: 4 Series Chipset PCI Express Root Port vendor: Intel Corporation physical id: 1 bus info: pci@0000:00:01.0 version: 03 width: 32 bits clock: 33MHz capabilities: pci pm msi pciexpress normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:24 ioport:c000(size=4096) memory:fb000000-fcffffff ioport:d0000000(size=536870912) *-display description: VGA compatible controller product: GM206 [GeForce GTX 960] vendor: NVIDIA Corporation physical id: 0 bus info: pci@0000:01:00.0 version: a1 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress vga_controller bus_master cap_list rom configuration: driver=nouveau latency=0 resources: irq:28 memory:fb000000-fbffffff memory:d0000000-dfffffff memory:ee000000-efffffff ioport:cf00(size=128) memory:fc000000-fc07ffff *-multimedia description: Audio device product: NVIDIA Corporation vendor: NVIDIA Corporation physical id: 0.1 bus info: pci@0000:01:00.1 version: a1 width: 32 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: driver=snd_hda_intel latency=0 resources: irq:17 memory:fcffc000-fcffffff *-usb:0 description: USB controller product: 82801JI (ICH10 Family) USB UHCI Controller #4 vendor: Intel Corporation physical id: 1a bus info: pci@0000:00:1a.0 version: 00 width: 32 bits clock: 33MHz capabilities: uhci bus_master cap_list configuration: driver=uhci_hcd latency=0 resources: irq:16 ioport:ff00(size=32) *-usb:1 description: USB controller product: 82801JI (ICH10 Family) USB UHCI Controller #5 vendor: Intel Corporation physical id: 1a.1 bus info: pci@0000:00:1a.1 version: 00 width: 32 bits clock: 33MHz capabilities: uhci bus_master cap_list configuration: driver=uhci_hcd latency=0 resources: irq:21 ioport:fe00(size=32) *-usb:2 description: USB controller product: 82801JI (ICH10 Family) USB UHCI Controller #6 vendor: Intel Corporation physical id: 1a.2 bus info: pci@0000:00:1a.2 version: 00 width: 32 bits clock: 33MHz capabilities: uhci bus_master cap_list configuration: driver=uhci_hcd latency=0 resources: irq:18 ioport:fd00(size=32) *-usb:3 description: USB controller product: 82801JI (ICH10 Family) USB2 EHCI Controller #2 vendor: Intel Corporation physical id: 1a.7 bus info: pci@0000:00:1a.7 version: 00 width: 32 bits clock: 33MHz capabilities: pm ehci bus_master cap_list configuration: driver=ehci-pci latency=0 resources: irq:18 memory:fdfff000-fdfff3ff *-multimedia description: Audio device product: 82801JI (ICH10 Family) HD Audio Controller vendor: Intel Corporation physical id: 1b bus info: pci@0000:00:1b.0 version: 00 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: driver=snd_hda_intel latency=0 resources: irq:30 memory:fdff8000-fdffbfff *-pci:1 description: PCI bridge product: 82801JI (ICH10 Family) PCI Express Root Port 1 vendor: Intel Corporation physical id: 1c bus info: pci@0000:00:1c.0 version: 00 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:25 ioport:1000(size=4096) memory:f0000000-f01fffff ioport:f0200000(size=2097152) *-pci:2 description: PCI bridge product: 82801JI (ICH10 Family) PCI Express Root Port 4 vendor: Intel Corporation physical id: 1c.3 bus info: pci@0000:00:1c.3 version: 00 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:26 ioport:b000(size=4096) memory:fde00000-fdefffff ioport:f0400000(size=2097152) *-storage description: SATA controller product: JMB363 SATA/IDE Controller vendor: JMicron Technology Corp. physical id: 0 bus info: pci@0000:03:00.0 version: 02 width: 32 bits clock: 33MHz capabilities: storage pm pciexpress ahci_1.0 bus_master cap_list configuration: driver=ahci latency=0 resources: irq:19 memory:fdefe000-fdefffff *-ide UNCLAIMED description: IDE interface product: JMB363 SATA/IDE Controller vendor: JMicron Technology Corp. physical id: 0.1 bus info: pci@0000:03:00.1 version: 02 width: 32 bits clock: 33MHz capabilities: ide pm bus_master cap_list configuration: latency=0 resources: ioport:bf00(size=8) ioport:be00(size=4) ioport:bd00(size=8) ioport:bc00(size=4) ioport:bb00(size=16) *-pci:3 description: PCI bridge product: 82801JI (ICH10 Family) PCI Express Root Port 5 vendor: Intel Corporation physical id: 1c.4 bus info: pci@0000:00:1c.4 version: 00 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:27 ioport:e000(size=4096) memory:fdc00000-fdcfffff ioport:fdb00000(size=1048576) *-usb:4 description: USB controller product: 82801JI (ICH10 Family) USB UHCI Controller #1 vendor: Intel Corporation physical id: 1d bus info: pci@0000:00:1d.0 version: 00 width: 32 bits clock: 33MHz capabilities: uhci bus_master cap_list configuration: driver=uhci_hcd latency=0 resources: irq:23 ioport:fc00(size=32) *-usb:5 description: USB controller product: 82801JI (ICH10 Family) USB UHCI Controller #2 vendor: Intel Corporation physical id: 1d.1 bus info: pci@0000:00:1d.1 version: 00 width: 32 bits clock: 33MHz capabilities: uhci bus_master cap_list configuration: driver=uhci_hcd latency=0 resources: irq:19 ioport:fb00(size=32) *-usb:6 description: USB controller product: 82801JI (ICH10 Family) USB UHCI Controller #3 vendor: Intel Corporation physical id: 1d.2 bus info: pci@0000:00:1d.2 version: 00 width: 32 bits clock: 33MHz capabilities: uhci bus_master cap_list configuration: driver=uhci_hcd latency=0 resources: irq:18 ioport:fa00(size=32) *-usb:7 description: USB controller product: 82801JI (ICH10 Family) USB2 EHCI Controller #1 vendor: Intel Corporation physical id: 1d.7 bus info: pci@0000:00:1d.7 version: 00 width: 32 bits clock: 33MHz capabilities: pm ehci bus_master cap_list configuration: driver=ehci-pci latency=0 resources: irq:23 memory:fdffe000-fdffe3ff
*-pci:4 description: PCI bridge product: 82801 PCI Bridge vendor: Intel Corporation physical id: 1e bus info: pci@0000:00:1e.0 version: 90 width: 32 bits clock: 33MHz capabilities: pci subtractive_decode bus_master cap_list resources: ioport:d000(size=4096) memory:fdd00000-fddfffff *-network description: Ethernet interface product: RTL8169 PCI Gigabit Ethernet Controller vendor: Realtek Semiconductor Co., Ltd. physical id: 2 bus info: pci@0000:05:02.0 logical name: enp5s2 version: 10 serial: 6c:fd:b9:4d:16:50 size: 1Gbit/s capacity: 1Gbit/s width: 32 bits clock: 66MHz capabilities: bus_master rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full ip=10.4.0.1 latency=64 link=yes maxlatency=64 mingnt=32 multicast=yes port=MII speed=1Gbit/s resources: irq:18 ioport:de00(size=256) memory:fddff000-fddff0ff memory:fdd00000-fdd1ffff *-isa description: ISA bridge product: 82801JIR (ICH10R) LPC Interface Controller vendor: Intel Corporation physical id: 1f bus info: pci@0000:00:1f.0 version: 00 width: 32 bits clock: 33MHz capabilities: isa bus_master cap_list configuration: latency=0 *-storage description: SATA controller product: 82801JI (ICH10 Family) SATA AHCI Controller vendor: Intel Corporation physical id: 1f.2 bus info: pci@0000:00:1f.2 version: 00 width: 32 bits clock: 66MHz capabilities: storage msi pm ahci_1.0 bus_master cap_list configuration: driver=ahci latency=0 resources: irq:29 ioport:f900(size=8) ioport:f800(size=4) ioport:f700(size=8) ioport:f600(size=4) ioport:f500(size=32) memory:fdffd000-fdffd7ff *-serial description: SMBus product: 82801JI (ICH10 Family) SMBus Controller vendor: Intel Corporation physical id: 1f.3 bus info: pci@0000:00:1f.3 version: 00 width: 64 bits clock: 33MHz configuration: driver=i801_smbus latency=0 resources: irq:18 memory:fdffc000-fdffc0ff ioport:500(size=32) *-scsi:0 physical id: 1 logical name: scsi1 capabilities: emulated *-disk description: ATA Disk product: WDC WD10EZEX-60Z vendor: Western Digital physical id: 0.0.0 bus info: scsi@1:0.0.0 logical name: /dev/sda version: 0A80 serial: WD-WCC1S3973684 size: 931GiB (1TB) capabilities: gpt-1.00 partitioned partitioned:gpt configuration: ansiversion=5 guid=def56604-955b-4a68-8ec8-8f69434c8346 sectorsize=4096 *-volume:0 description: BIOS Boot partition vendor: EFI physical id: 1 bus info: scsi@1:0.0.0,1 logical name: /dev/sda1 serial: 68d5dac8-cb00-4194-b463-e36cc7b377f5 capacity: 15MiB capabilities: nofs *-volume:1 description: EFI partition physical id: 2 bus info: scsi@1:0.0.0,2 logical name: /dev/sda2 logical name: / logical name: /mnt logical name: /var/lib/container/armv7a-hardfp-hardened logical name: /home logical name: /var/lib/container/armv6j-hardfp logical name: /usr/portage logical name: /var/lib/container/armv6j-hardfp/usr/portage logical name: /var/lib/container/armv7a-hardfp-hardened-musl logical name: /var/lib/container/armv7a-hardfp-hardened-musl/usr/portage logical name: /var/lib/container/armv7a-hardfp-hardened/usr/portage logical name: /var/lib/container/armv7a-hardfp logical name: /var/lib/container/armv7a-hardfp/usr/portage serial: 873529da-68d0-4223-888a-c329d494a527 capacity: 921GiB configuration: mount.fstype=btrfs mount.options=rw,noatime,compress=lzo,space_cache state=mounted *-volume:2 description: Linux swap volume vendor: Linux physical id: 3 bus info: scsi@1:0.0.0,3 logical name: /dev/sda3 version: 1 serial: d05c20b5-4ef4-4773-b5ff-036b6720d326 size: 10GiB capacity: 10GiB capabilities: nofs swap initialized configuration: filesystem=swap pagesize=4095 *-scsi:1 physical id: 2 logical name: scsi3 capabilities: emulated *-disk description: ATA Disk product: WDC WD10EADS-00M vendor: Western Digital physical id: 0.0.0 bus info: scsi@3:0.0.0 logical name: /dev/sdb version: 0A01 serial: WD-WCAV50976955 size: 931GiB (1TB) capabilities: partitioned partitioned:dos configuration: ansiversion=5 sectorsize=512 signature=b3b009d1 *-volume:0 description: Windows NTFS volume physical id: 1 bus info: scsi@3:0.0.0,1 logical name: /dev/sdb1 version: 3.1 serial: 4cd1-b3c6 size: 98MiB capacity: 100MiB capabilities: primary bootable ntfs initialized configuration: clustersize=4096 created=2013-11-10 06:24:36 filesystem=ntfs label=System Reserved state=clean *-volume:1 description: Windows NTFS volume physical id: 2 bus info: scsi@3:0.0.0,2 logical name: /dev/sdb2 logical name: /windows version: 3.1 serial: 5acde61b-c9f1-d44d-aaf8-6c96c4919448 size: 931GiB capacity: 931GiB capabilities: primary ntfs initialized configuration: clustersize=4096 created=2013-11-10 06:24:37 filesystem=ntfs modified_by_chkdsk=true mount.fstype=fuseblk mount.options=rw,nosuid,nodev,relatime,user_id=0,group_id=0,allow_other,blksize=4096 mounted_on_nt4=true resize_log_file=true state=mounted upgrade_on_mount=true *-scsi:2 physical id: 3 logical name: scsi6 capabilities: emulated *-cdrom description: DVD-RAM writer product: iHBS112 2 vendor: ATAPI physical id: 0.0.0 bus info: scsi@6:0.0.0 logical name: /dev/cdrom logical name: /dev/sr0 version: PL01 capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram configuration: ansiversion=5 status=ready *-medium physical id: 0 logical name: /dev/cdrom ymir linux-4.1.7-hardened-r1 #
Created attachment 419246 [details] output of journalctl -b | grep kernel
That behaviour hit many people upgrading from 4.1.x to 4.2.y. See https://bugzilla.kernel.org/show_bug.cgi?id=101021 https://www.reddit.com/r/linuxquestions/comments/3ja2kx/linux_42_using_only_one_core/ Change CONFIG_NO_HZ_FULL=y to CONFIG_NO_HZ_IDLE=y
That fixed it. Thank you.