Date:	Sun, 31 May 2009 17:03:50 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Nix <nix@...eri.org.uk>
Cc:	linux-kernel@...r.kernel.org, e1000-devel@...ts.sourceforge.net,
	netdev@...r.kernel.org
Subject: Re: 2.6.30rc7: ksoftirqd CPU saturation (x86-64 only, not x86-32)
 (e1000e-related?)

Let's cc netdev on this.

Presumably it is a post-2.6.29 regression.

On Sun, 31 May 2009 23:59:35 +0100 Nix <nix@...eri.org.uk> wrote:

> I've just compiled a 64-bit kernel for a couple of quad-core Nehalems
> (one L5520, one Core i7) for the first time. Both were using 32-bit
> kernels happily before, and one (the Core i7) is happy afterwards: but
> the other sees two ksoftirqd threads saturating the CPU (well, half of
> it, this being a 4-core box).
> 
> Magic sysrq says:
> 
> [  179.097118] ksoftirqd/3   R  running task        0    13      2
> [  179.103635]  ffff88063f90dec0 ffffffff8057ee2a 0000000000000000 0000000000000000
> [  179.111830]  ffff88063f90dee0 ffffffff8057ee2a 0000000000000000 ffff88063f90a768
> [  179.120002]  0000000000004000 000000000000d1e8 ffff88063f90a770 ffff88063f90a768
> [  179.128162] Call Trace:
> [  179.130844]  [<ffffffff8057ee2a>] ? thread_return+0x3e/0xc1
> [  179.136940]  [<ffffffff8057ee2a>] ? thread_return+0x3e/0xc1
> [  179.143055]  [<ffffffff8057eeb6>] schedule+0x9/0x1d
> [  179.148399]  [<ffffffff80229bbc>] do_softirq+0x34/0x72
> [  179.154033]  [<ffffffff80256f9c>] ksoftirqd+0x63/0xe5
> [  179.159570]  [<ffffffff80256f39>] ? ksoftirqd+0x0/0xe5
> [  179.165188]  [<ffffffff80264d29>] kthread+0x55/0x80
> [  179.170527]  [<ffffffff802288fa>] child_rip+0xa/0x20
> [  179.175962]  [<ffffffff80264cd4>] ? kthread+0x0/0x80
> [  179.181399]  [<ffffffff802288f0>] ? child_rip+0x0/0x20
> 
> [  179.575234] ksoftirqd/5   R  running task        0    19      2
> [  179.581758]  ffff88063f939ec0 ffffffff8057ee2a 0000000000000000 0000000000000000
> [  179.589926]  ffff88063f939ee0 ffffffff8057ee2a 0000000000000000 ffff88063f932968
> [  179.598122]  0000000000004000 000000000000d1e8 ffff88063f932970 ffffffff802285ce
> [  179.606308] Call Trace:
> [  179.608990]  [<ffffffff8057ee2a>] ? thread_return+0x3e/0xc1
> [  179.615095]  [<ffffffff8057ee2a>] ? thread_return+0x3e/0xc1
> [  179.621180]  [<ffffffff802285ce>] ? reschedule_interrupt+0xe/0x20
> [  179.627861]  [<ffffffff8057eeb6>] schedule+0x9/0x1d
> [  179.633217]  [<ffffffff80229bbc>] do_softirq+0x34/0x72
> [  179.638851]  [<ffffffff80256f9c>] ksoftirqd+0x63/0xe5
> [  179.644373]  [<ffffffff80256f39>] ? ksoftirqd+0x0/0xe5
> [  179.649988]  [<ffffffff80264d29>] kthread+0x55/0x80
> [  179.655333]  [<ffffffff802288fa>] child_rip+0xa/0x20
> [  179.660780]  [<ffffffff80264cd4>] ? kthread+0x0/0x80
> [  179.666234]  [<ffffffff802288f0>] ? child_rip+0x0/0x20
> 
> So, not particularly informative.
> 
> CPUs 3 and 5 seem to be receiving the lion's share of the local timer
> interrupts and networking interrupts (this box has twin e1000es):
> 
>        CPU0  CPU1    CPU2   CPU3   CPU4   CPU5   CPU6  CPU7
>   0:     33     0       0   2377      0      0      0     0   IO-APIC-edge      timer
>   1:      0     0       0      2      0      0      0     0   IO-APIC-edge      i8042
>   3:      0     0       0      3      0      0      0     0   IO-APIC-edge
>   4:      0     0       0    372      0      0      0     0   IO-APIC-edge      serial
>   8:      0     0       0     52      0      0      0     0   IO-APIC-edge      rtc0
>  12:      0     0       0      4      0      0      0     0   IO-APIC-edge      i8042
>  16:      0     0       0      0      0      0      0     0   IO-APIC-fasteoi   uhci_hcd:usb3
>  18:      0     0       0      0      0      0      2     0   IO-APIC-fasteoi   ehci_hcd:usb1, uhci_hcd:usb8
>  19:      0     0       0      0      0      0      0     0   IO-APIC-fasteoi   uhci_hcd:usb5, uhci_hcd:usb7
>  20:      0     0       0      0      0      0      0     0   IO-APIC-fasteoi   acpi
>  21:      0     0       0      0     70      0      0     0   IO-APIC-fasteoi   uhci_hcd:usb4, firewire_ohci
>  22:      0     0       0      0      0    228      0     0   IO-APIC-fasteoi   HDA Intel
>  23:      0     0       0      0     67      0      0     0   IO-APIC-fasteoi   ehci_hcd:usb2, uhci_hcd:usb6
>  39:      0     0   22405      0      0      0      0     0   IO-APIC-fasteoi   arcmsr
>  48:      0     0       0      0      0      0      0     0  DMAR_MSI-edge      dmar0
>  56:      0     0       0   3961      0      0      0     0   PCI-MSI-edge      ahci
>  57:      0     0       0   7654      0      0      0     0   PCI-MSI-edge      gordianet-rx-0
>  58:      0     0       0      0   8065      0      0     0   PCI-MSI-edge      gordianet-tx-0
>  59:      0     0       0      0      3      0      0     0   PCI-MSI-edge      gordianet
>  60:      0     0       0      0      0   3576      0     0   PCI-MSI-edge      fastnet-rx-0
>  61:      0     0       0      0      0   2555      0     0   PCI-MSI-edge      fastnet-tx-0
>  62:      0     0       0      0      0      0      2     0   PCI-MSI-edge      fastnet
> NMI:      0     0       0      0      0      0      0     0   Non-maskable interrupts
> LOC:   8437  2263    6528  60480  13987 113384  16365 57641   Local timer interrupts
> SPU:      0     0       0      0      0      0      0     0   Spurious interrupts
> RES:   3790    55    6780     18   2370    115    893   161   Rescheduling interrupts
> CAL:     83   176     144    155    174    179    173   169   Function call interrupts
> TLB:    125     9     138      4    282     22    310    22   TLB shootdowns
> TRM:      0     0       0      0      0      0      0     0   Thermal event interrupts
> THR:      0     0       0      0      0      0      0     0   Threshold APIC interrupts
> ERR:      0
> MIS:      0
> 
> I'd not expect that level of e1000e interrupt activity to flood the
> ksoftirqds like this, and in 32-bit mode it doesn't.
> 
> So, anyone know what's going on, or how I could find out?
> 
> 
> The kernel is git head, 3218911f839b6c85acbf872ad264ea69aa4d89ad. Both
> the kernels that work and this one that doesn't were built by GCC
> 4.4.1-prerelease, git head as of today. Modules loaded, only these,
> apparently pulled in by udev or something:
> 
> Module                  Size  Used by
> firewire_ohci          23324  0
> firewire_core          42852  1 firewire_ohci
> 
> .config:
> 
> CONFIG_64BIT=y
> CONFIG_X86_64=y
> CONFIG_X86=y
> CONFIG_ARCH_DEFCONFIG="arch/x86/configs/x86_64_defconfig"
> CONFIG_GENERIC_TIME=y
> CONFIG_GENERIC_CMOS_UPDATE=y
> CONFIG_CLOCKSOURCE_WATCHDOG=y
> CONFIG_GENERIC_CLOCKEVENTS=y
> CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
> CONFIG_LOCKDEP_SUPPORT=y
> CONFIG_STACKTRACE_SUPPORT=y
> CONFIG_HAVE_LATENCYTOP_SUPPORT=y
> CONFIG_FAST_CMPXCHG_LOCAL=y
> CONFIG_MMU=y
> CONFIG_ZONE_DMA=y
> CONFIG_GENERIC_ISA_DMA=y
> CONFIG_GENERIC_IOMAP=y
> CONFIG_GENERIC_BUG=y
> CONFIG_GENERIC_BUG_RELATIVE_POINTERS=y
> CONFIG_GENERIC_HWEIGHT=y
> CONFIG_ARCH_MAY_HAVE_PC_FDC=y
> CONFIG_RWSEM_GENERIC_SPINLOCK=y
> CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
> CONFIG_GENERIC_CALIBRATE_DELAY=y
> CONFIG_GENERIC_TIME_VSYSCALL=y
> CONFIG_ARCH_HAS_CPU_RELAX=y
> CONFIG_ARCH_HAS_DEFAULT_IDLE=y
> CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
> CONFIG_HAVE_SETUP_PER_CPU_AREA=y
> CONFIG_HAVE_DYNAMIC_PER_CPU_AREA=y
> CONFIG_HAVE_CPUMASK_OF_CPU_MAP=y
> CONFIG_ARCH_HIBERNATION_POSSIBLE=y
> CONFIG_ARCH_SUSPEND_POSSIBLE=y
> CONFIG_ZONE_DMA32=y
> CONFIG_ARCH_POPULATES_NODE_MAP=y
> CONFIG_AUDIT_ARCH=y
> CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y
> CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
> CONFIG_GENERIC_HARDIRQS=y
> CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
> CONFIG_GENERIC_IRQ_PROBE=y
> CONFIG_GENERIC_PENDING_IRQ=y
> CONFIG_USE_GENERIC_SMP_HELPERS=y
> CONFIG_X86_64_SMP=y
> CONFIG_X86_HT=y
> CONFIG_X86_TRAMPOLINE=y
> CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
> 
> CONFIG_EXPERIMENTAL=y
> CONFIG_LOCK_KERNEL=y
> CONFIG_INIT_ENV_ARG_LIMIT=32
> CONFIG_LOCALVERSION=""
> CONFIG_LOCALVERSION_AUTO=y
> CONFIG_HAVE_KERNEL_GZIP=y
> CONFIG_HAVE_KERNEL_BZIP2=y
> CONFIG_HAVE_KERNEL_LZMA=y
> CONFIG_KERNEL_GZIP=y
> CONFIG_SWAP=y
> CONFIG_SYSVIPC=y
> CONFIG_SYSVIPC_SYSCTL=y
> CONFIG_POSIX_MQUEUE=y
> CONFIG_POSIX_MQUEUE_SYSCTL=y
> CONFIG_BSD_PROCESS_ACCT=y
> 
> CONFIG_CLASSIC_RCU=y
> CONFIG_LOG_BUF_SHIFT=17
> CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
> CONFIG_GROUP_SCHED=y
> CONFIG_FAIR_GROUP_SCHED=y
> CONFIG_RT_GROUP_SCHED=y
> CONFIG_USER_SCHED=y
> CONFIG_CGROUPS=y
> CONFIG_RELAY=y
> CONFIG_NAMESPACES=y
> CONFIG_BLK_DEV_INITRD=y
> CONFIG_INITRAMFS_SOURCE="usr/initramfs.spindle"
> CONFIG_INITRAMFS_ROOT_UID=99
> CONFIG_INITRAMFS_ROOT_GID=101
> CONFIG_RD_GZIP=y
> CONFIG_RD_BZIP2=y
> CONFIG_RD_LZMA=y
> CONFIG_INITRAMFS_COMPRESSION_GZIP=y
> CONFIG_CC_OPTIMIZE_FOR_SIZE=y
> CONFIG_SYSCTL=y
> CONFIG_ANON_INODES=y
> CONFIG_UID16=y
> CONFIG_SYSCTL_SYSCALL=y
> CONFIG_KALLSYMS=y
> CONFIG_KALLSYMS_ALL=y
> CONFIG_STRIP_ASM_SYMS=y
> CONFIG_HOTPLUG=y
> CONFIG_PRINTK=y
> CONFIG_BUG=y
> CONFIG_ELF_CORE=y
> CONFIG_PCSPKR_PLATFORM=y
> CONFIG_BASE_FULL=y
> CONFIG_FUTEX=y
> CONFIG_EPOLL=y
> CONFIG_SIGNALFD=y
> CONFIG_TIMERFD=y
> CONFIG_EVENTFD=y
> CONFIG_SHMEM=y
> CONFIG_AIO=y
> CONFIG_VM_EVENT_COUNTERS=y
> CONFIG_PCI_QUIRKS=y
> CONFIG_SLAB=y
> CONFIG_PROFILING=y
> CONFIG_TRACEPOINTS=y
> CONFIG_MARKERS=y
> CONFIG_OPROFILE=y
> CONFIG_HAVE_OPROFILE=y
> CONFIG_KPROBES=y
> CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
> CONFIG_KRETPROBES=y
> CONFIG_HAVE_IOREMAP_PROT=y
> CONFIG_HAVE_KPROBES=y
> CONFIG_HAVE_KRETPROBES=y
> CONFIG_HAVE_ARCH_TRACEHOOK=y
> CONFIG_HAVE_DMA_API_DEBUG=y
> CONFIG_SLABINFO=y
> CONFIG_RT_MUTEXES=y
> CONFIG_BASE_SMALL=0
> CONFIG_MODULES=y
> CONFIG_MODULE_UNLOAD=y
> CONFIG_STOP_MACHINE=y
> CONFIG_BLOCK=y
> CONFIG_BLOCK_COMPAT=y
> 
> CONFIG_IOSCHED_NOOP=y
> CONFIG_IOSCHED_AS=m
> CONFIG_IOSCHED_DEADLINE=m
> CONFIG_IOSCHED_CFQ=y
> CONFIG_DEFAULT_CFQ=y
> CONFIG_DEFAULT_IOSCHED="cfq"
> CONFIG_PREEMPT_NOTIFIERS=y
> 
> CONFIG_TICK_ONESHOT=y
> CONFIG_NO_HZ=y
> CONFIG_HIGH_RES_TIMERS=y
> CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
> CONFIG_SMP=y
> CONFIG_SPARSE_IRQ=y
> CONFIG_SCHED_OMIT_FRAME_POINTER=y
> CONFIG_MCORE2=y
> CONFIG_X86_CPU=y
> CONFIG_X86_L1_CACHE_BYTES=64
> CONFIG_X86_INTERNODE_CACHE_BYTES=64
> CONFIG_X86_CMPXCHG=y
> CONFIG_X86_L1_CACHE_SHIFT=6
> CONFIG_X86_WP_WORKS_OK=y
> CONFIG_X86_INTEL_USERCOPY=y
> CONFIG_X86_USE_PPRO_CHECKSUM=y
> CONFIG_X86_P6_NOP=y
> CONFIG_X86_TSC=y
> CONFIG_X86_CMPXCHG64=y
> CONFIG_X86_CMOV=y
> CONFIG_X86_MINIMUM_CPU_FAMILY=64
> CONFIG_X86_DEBUGCTLMSR=y
> CONFIG_CPU_SUP_INTEL=y
> CONFIG_CPU_SUP_AMD=y
> CONFIG_CPU_SUP_CENTAUR=y
> CONFIG_HPET_TIMER=y
> CONFIG_HPET_EMULATE_RTC=y
> CONFIG_DMI=y
> CONFIG_GART_IOMMU=y
> CONFIG_SWIOTLB=y
> CONFIG_IOMMU_HELPER=y
> CONFIG_IOMMU_API=y
> CONFIG_NR_CPUS=8
> CONFIG_SCHED_SMT=y
> CONFIG_SCHED_MC=y
> CONFIG_PREEMPT_NONE=y
> CONFIG_X86_LOCAL_APIC=y
> CONFIG_X86_IO_APIC=y
> CONFIG_X86_MCE=y
> CONFIG_X86_MCE_INTEL=y
> CONFIG_X86_MCE_THRESHOLD=y
> CONFIG_MICROCODE=m
> CONFIG_MICROCODE_INTEL=y
> CONFIG_MICROCODE_OLD_INTERFACE=y
> CONFIG_X86_MSR=m
> CONFIG_X86_CPUID=y
> CONFIG_X86_CPU_DEBUG=m
> CONFIG_ARCH_PHYS_ADDR_T_64BIT=y
> CONFIG_DIRECT_GBPAGES=y
> CONFIG_ARCH_SPARSEMEM_DEFAULT=y
> CONFIG_ARCH_SPARSEMEM_ENABLE=y
> CONFIG_ARCH_SELECT_MEMORY_MODEL=y
> CONFIG_SELECT_MEMORY_MODEL=y
> CONFIG_SPARSEMEM_MANUAL=y
> CONFIG_SPARSEMEM=y
> CONFIG_HAVE_MEMORY_PRESENT=y
> CONFIG_SPARSEMEM_EXTREME=y
> CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
> CONFIG_SPARSEMEM_VMEMMAP=y
> CONFIG_PAGEFLAGS_EXTENDED=y
> CONFIG_SPLIT_PTLOCK_CPUS=4
> CONFIG_PHYS_ADDR_T_64BIT=y
> CONFIG_ZONE_DMA_FLAG=1
> CONFIG_BOUNCE=y
> CONFIG_VIRT_TO_BUS=y
> CONFIG_UNEVICTABLE_LRU=y
> CONFIG_HAVE_MLOCK=y
> CONFIG_HAVE_MLOCKED_PAGE_BIT=y
> CONFIG_MMU_NOTIFIER=y
> CONFIG_X86_CHECK_BIOS_CORRUPTION=y
> CONFIG_X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK=y
> CONFIG_X86_RESERVE_LOW_64K=y
> CONFIG_MTRR=y
> CONFIG_X86_PAT=y
> CONFIG_HZ_100=y
> CONFIG_HZ=100
> CONFIG_SCHED_HRTICK=y
> CONFIG_PHYSICAL_START=0x200000
> CONFIG_PHYSICAL_ALIGN=0x200000
> CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
> 
> CONFIG_PM=y
> CONFIG_ACPI=y
> CONFIG_ACPI_PROC_EVENT=y
> CONFIG_ACPI_BUTTON=y
> CONFIG_ACPI_FAN=y
> CONFIG_ACPI_DOCK=y
> CONFIG_ACPI_PROCESSOR=y
> CONFIG_ACPI_THERMAL=y
> CONFIG_ACPI_CUSTOM_DSDT_FILE=""
> CONFIG_ACPI_BLACKLIST_YEAR=0
> CONFIG_ACPI_PCI_SLOT=y
> CONFIG_X86_PM_TIMER=y
> 
> CONFIG_CPU_FREQ=y
> CONFIG_CPU_FREQ_TABLE=y
> CONFIG_CPU_FREQ_STAT=y
> CONFIG_CPU_FREQ_STAT_DETAILS=y
> CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
> CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
> CONFIG_CPU_FREQ_GOV_ONDEMAND=y
> 
> CONFIG_X86_ACPI_CPUFREQ=y
> 
> CONFIG_CPU_IDLE=y
> CONFIG_CPU_IDLE_GOV_LADDER=y
> CONFIG_CPU_IDLE_GOV_MENU=y
> 
> CONFIG_I7300_IDLE_IOAT_CHANNEL=y
> CONFIG_I7300_IDLE=y
> 
> CONFIG_PCI=y
> CONFIG_PCI_DIRECT=y
> CONFIG_PCI_MMCONFIG=y
> CONFIG_PCI_DOMAINS=y
> CONFIG_DMAR=y
> CONFIG_DMAR_DEFAULT_ON=y
> CONFIG_DMAR_GFX_WA=y
> CONFIG_DMAR_FLOPPY_WA=y
> CONFIG_PCIEPORTBUS=y
> CONFIG_PCIEAER=y
> CONFIG_PCIEASPM=y
> CONFIG_ARCH_SUPPORTS_MSI=y
> CONFIG_PCI_MSI=y
> CONFIG_PCI_IOV=y
> CONFIG_ISA_DMA_API=y
> CONFIG_K8_NB=y
> 
> CONFIG_BINFMT_ELF=y
> CONFIG_COMPAT_BINFMT_ELF=y
> CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
> CONFIG_BINFMT_MISC=y
> CONFIG_IA32_EMULATION=y
> CONFIG_COMPAT=y
> CONFIG_COMPAT_FOR_U64_ALIGNMENT=y
> CONFIG_SYSVIPC_COMPAT=y
> CONFIG_NET=y
> 
> CONFIG_PACKET=y
> CONFIG_PACKET_MMAP=y
> CONFIG_UNIX=y
> CONFIG_INET=y
> CONFIG_IP_MULTICAST=y
> CONFIG_IP_FIB_HASH=y
> CONFIG_IP_PNP=y
> CONFIG_INET_LRO=y
> CONFIG_INET_DIAG=y
> CONFIG_INET_TCP_DIAG=y
> CONFIG_TCP_CONG_CUBIC=y
> CONFIG_DEFAULT_TCP_CONG="cubic"
> 
> CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
> CONFIG_PREVENT_FIRMWARE_BUILD=y
> CONFIG_FW_LOADER=y
> CONFIG_FIRMWARE_IN_KERNEL=y
> CONFIG_EXTRA_FIRMWARE=""
> CONFIG_PNP=y
> 
> CONFIG_PNPACPI=y
> CONFIG_BLK_DEV=y
> CONFIG_BLK_DEV_NBD=m
> CONFIG_CDROM_PKTCDVD=y
> CONFIG_CDROM_PKTCDVD_BUFFERS=16
> CONFIG_MISC_DEVICES=y
> 
> CONFIG_HAVE_IDE=y
> 
> CONFIG_SCSI=y
> CONFIG_SCSI_DMA=y
> 
> CONFIG_BLK_DEV_SD=y
> CONFIG_BLK_DEV_SR=y
> 
> CONFIG_SCSI_MULTI_LUN=y
> CONFIG_SCSI_SCAN_ASYNC=y
> CONFIG_SCSI_WAIT_SCAN=m
> 
> CONFIG_SCSI_LOWLEVEL=y
> CONFIG_SCSI_ARCMSR=y
> CONFIG_SCSI_ARCMSR_AER=y
> CONFIG_ATA=y
> CONFIG_ATA_ACPI=y
> CONFIG_SATA_AHCI=y
> CONFIG_MD=y
> CONFIG_BLK_DEV_DM=y
> CONFIG_DM_CRYPT=y
> CONFIG_DM_SNAPSHOT=y
> CONFIG_DM_MIRROR=y
> CONFIG_DM_ZERO=y
> 
> CONFIG_FIREWIRE=m
> CONFIG_FIREWIRE_OHCI=m
> CONFIG_FIREWIRE_OHCI_DEBUG=y
> CONFIG_FIREWIRE_SBP2=m
> CONFIG_NETDEVICES=y
> CONFIG_COMPAT_NET_DEV_OPS=y
> CONFIG_DUMMY=m
> CONFIG_TUN=y
> CONFIG_NETDEV_1000=y
> CONFIG_E1000E=y
> 
> CONFIG_INPUT=y
> 
> CONFIG_INPUT_MOUSEDEV=y
> CONFIG_INPUT_MOUSEDEV_SCREEN_X=1680
> CONFIG_INPUT_MOUSEDEV_SCREEN_Y=1050
> CONFIG_INPUT_EVDEV=y
> 
> CONFIG_INPUT_KEYBOARD=y
> CONFIG_KEYBOARD_ATKBD=y
> CONFIG_INPUT_MOUSE=y
> CONFIG_MOUSE_PS2=y
> CONFIG_MOUSE_PS2_ALPS=y
> CONFIG_MOUSE_PS2_LOGIPS2PP=y
> CONFIG_MOUSE_PS2_SYNAPTICS=y
> CONFIG_MOUSE_PS2_LIFEBOOK=y
> CONFIG_MOUSE_PS2_TRACKPOINT=y
> CONFIG_INPUT_JOYSTICK=y
> CONFIG_JOYSTICK_ANALOG=y
> 
> CONFIG_SERIO=y
> CONFIG_SERIO_I8042=y
> CONFIG_SERIO_LIBPS2=y
> CONFIG_GAMEPORT=y
> 
> CONFIG_VT=y
> CONFIG_CONSOLE_TRANSLATIONS=y
> CONFIG_VT_CONSOLE=y
> CONFIG_HW_CONSOLE=y
> 
> CONFIG_SERIAL_8250=y
> CONFIG_SERIAL_8250_CONSOLE=y
> CONFIG_FIX_EARLYCON_MEM=y
> CONFIG_SERIAL_8250_PCI=y
> CONFIG_SERIAL_8250_PNP=y
> CONFIG_SERIAL_8250_NR_UARTS=4
> CONFIG_SERIAL_8250_RUNTIME_UARTS=4
> 
> CONFIG_SERIAL_CORE=y
> CONFIG_SERIAL_CORE_CONSOLE=y
> CONFIG_UNIX98_PTYS=y
> CONFIG_IPMI_HANDLER=m
> CONFIG_IPMI_PANIC_EVENT=y
> CONFIG_IPMI_DEVICE_INTERFACE=m
> CONFIG_IPMI_SI=m
> CONFIG_IPMI_POWEROFF=m
> CONFIG_NVRAM=m
> CONFIG_HPET=y
> CONFIG_HPET_MMAP=y
> CONFIG_DEVPORT=y
> CONFIG_I2C=y
> CONFIG_I2C_BOARDINFO=y
> CONFIG_I2C_CHARDEV=y
> CONFIG_I2C_HELPER_AUTO=y
> 
> CONFIG_I2C_I801=y
> 
> CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
> CONFIG_HWMON=y
> CONFIG_HWMON_VID=y
> CONFIG_SENSORS_W83793=y
> CONFIG_THERMAL=y
> CONFIG_THERMAL_HWMON=y
> CONFIG_SSB_POSSIBLE=y
> 
> CONFIG_AGP=y
> CONFIG_AGP_AMD64=y
> 
> CONFIG_VGA_CONSOLE=y
> CONFIG_DUMMY_CONSOLE=y
> CONFIG_SOUND=y
> CONFIG_SOUND_OSS_CORE=y
> CONFIG_SND=y
> CONFIG_SND_TIMER=y
> CONFIG_SND_PCM=y
> CONFIG_SND_JACK=y
> CONFIG_SND_SEQUENCER=y
> CONFIG_SND_SEQ_DUMMY=m
> CONFIG_SND_OSSEMUL=y
> CONFIG_SND_MIXER_OSS=y
> CONFIG_SND_PCM_OSS=y
> CONFIG_SND_PCM_OSS_PLUGINS=y
> CONFIG_SND_SEQUENCER_OSS=y
> CONFIG_SND_HRTIMER=y
> CONFIG_SND_SEQ_HRTIMER_DEFAULT=y
> CONFIG_SND_DYNAMIC_MINORS=y
> CONFIG_SND_VERBOSE_PROCFS=y
> CONFIG_SND_VMASTER=y
> CONFIG_SND_PCI=y
> CONFIG_SND_HDA_INTEL=y
> CONFIG_SND_HDA_CODEC_INTELHDMI=y
> CONFIG_SND_HDA_ELD=y
> CONFIG_SND_HDA_GENERIC=y
> CONFIG_SND_HDA_POWER_SAVE=y
> CONFIG_SND_HDA_POWER_SAVE_DEFAULT=0
> CONFIG_HID_SUPPORT=y
> CONFIG_HID=y
> 
> CONFIG_USB_HID=y
> 
> CONFIG_HID_A4TECH=y
> CONFIG_HID_APPLE=y
> CONFIG_HID_BELKIN=y
> CONFIG_HID_CHERRY=y
> CONFIG_HID_CHICONY=y
> CONFIG_HID_CYPRESS=y
> CONFIG_HID_EZKEY=y
> CONFIG_HID_KYE=y
> CONFIG_HID_GYRATION=y
> CONFIG_HID_KENSINGTON=y
> CONFIG_HID_LOGITECH=y
> CONFIG_HID_MICROSOFT=y
> CONFIG_HID_MONTEREY=y
> CONFIG_HID_NTRIG=y
> CONFIG_HID_PANTHERLORD=y
> CONFIG_HID_PETALYNX=y
> CONFIG_HID_SAMSUNG=y
> CONFIG_HID_SONY=y
> CONFIG_HID_SUNPLUS=y
> CONFIG_HID_TOPSEED=y
> CONFIG_USB_SUPPORT=y
> CONFIG_USB_ARCH_HAS_HCD=y
> CONFIG_USB_ARCH_HAS_OHCI=y
> CONFIG_USB_ARCH_HAS_EHCI=y
> CONFIG_USB=y
> 
> CONFIG_USB_DEVICEFS=y
> CONFIG_USB_DYNAMIC_MINORS=y
> 
> CONFIG_USB_EHCI_HCD=y
> CONFIG_USB_UHCI_HCD=y
> 
> CONFIG_USB_PRINTER=y
> 
> CONFIG_USB_STORAGE=y
> 
> CONFIG_USB_SERIAL=y
> CONFIG_USB_SERIAL_BELKIN=y
> 
> CONFIG_EDAC=y
> 
> CONFIG_EDAC_MM_EDAC=y
> CONFIG_EDAC_E752X=m
> CONFIG_EDAC_I82975X=m
> CONFIG_EDAC_I3000=m
> CONFIG_EDAC_X38=m
> CONFIG_EDAC_I5400=m
> CONFIG_EDAC_I5000=m
> CONFIG_EDAC_I5100=m
> CONFIG_RTC_LIB=y
> CONFIG_RTC_CLASS=y
> CONFIG_RTC_HCTOSYS=y
> CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
> 
> CONFIG_RTC_INTF_SYSFS=y
> CONFIG_RTC_INTF_PROC=y
> CONFIG_RTC_INTF_DEV=y
> 
> CONFIG_RTC_DRV_CMOS=y
> 
> CONFIG_X86_PLATFORM_DEVICES=y
> 
> CONFIG_FIRMWARE_MEMMAP=y
> CONFIG_DMIID=y
> 
> CONFIG_EXT4_FS=y
> CONFIG_EXT4_FS_XATTR=y
> CONFIG_EXT4_FS_POSIX_ACL=y
> CONFIG_JBD2=y
> CONFIG_FS_MBCACHE=y
> CONFIG_REISERFS_FS=y
> CONFIG_REISERFS_FS_XATTR=y
> CONFIG_REISERFS_FS_POSIX_ACL=y
> CONFIG_FS_POSIX_ACL=y
> CONFIG_FILE_LOCKING=y
> CONFIG_DNOTIFY=y
> CONFIG_INOTIFY=y
> CONFIG_INOTIFY_USER=y
> CONFIG_QUOTA=y
> CONFIG_QUOTA_NETLINK_INTERFACE=y
> CONFIG_PRINT_QUOTA_WARNING=y
> CONFIG_QUOTA_TREE=y
> CONFIG_QFMT_V2=y
> CONFIG_QUOTACTL=y
> CONFIG_FUSE_FS=y
> CONFIG_GENERIC_ACL=y
> 
> CONFIG_ISO9660_FS=y
> CONFIG_JOLIET=y
> CONFIG_UDF_FS=y
> CONFIG_UDF_NLS=y
> 
> CONFIG_FAT_FS=m
> CONFIG_MSDOS_FS=m
> CONFIG_VFAT_FS=m
> CONFIG_FAT_DEFAULT_CODEPAGE=437
> CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
> 
> CONFIG_PROC_FS=y
> CONFIG_PROC_SYSCTL=y
> CONFIG_PROC_PAGE_MONITOR=y
> CONFIG_SYSFS=y
> CONFIG_TMPFS=y
> CONFIG_TMPFS_POSIX_ACL=y
> CONFIG_HUGETLBFS=y
> CONFIG_HUGETLB_PAGE=y
> CONFIG_CONFIGFS_FS=y
> CONFIG_MISC_FILESYSTEMS=y
> CONFIG_NETWORK_FILESYSTEMS=y
> CONFIG_NFS_FS=y
> CONFIG_NFS_V3=y
> CONFIG_NFS_V3_ACL=y
> CONFIG_ROOT_NFS=y
> CONFIG_NFSD=y
> CONFIG_NFSD_V2_ACL=y
> CONFIG_NFSD_V3=y
> CONFIG_NFSD_V3_ACL=y
> CONFIG_LOCKD=y
> CONFIG_LOCKD_V4=y
> CONFIG_EXPORTFS=y
> CONFIG_NFS_ACL_SUPPORT=y
> CONFIG_NFS_COMMON=y
> CONFIG_SUNRPC=y
> 
> CONFIG_PARTITION_ADVANCED=y
> CONFIG_MSDOS_PARTITION=y
> CONFIG_NLS=y
> CONFIG_NLS_DEFAULT="iso8859-1"
> CONFIG_NLS_CODEPAGE_437=y
> CONFIG_NLS_ASCII=m
> CONFIG_NLS_ISO8859_1=y
> CONFIG_NLS_ISO8859_15=m
> CONFIG_NLS_UTF8=m
> 
> CONFIG_TRACE_IRQFLAGS_SUPPORT=y
> CONFIG_PRINTK_TIME=y
> CONFIG_ENABLE_WARN_DEPRECATED=y
> CONFIG_ENABLE_MUST_CHECK=y
> CONFIG_FRAME_WARN=1024
> CONFIG_MAGIC_SYSRQ=y
> CONFIG_DEBUG_FS=y
> CONFIG_DEBUG_KERNEL=y
> CONFIG_DETECT_SOFTLOCKUP=y
> CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
> CONFIG_DETECT_HUNG_TASK=y
> CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
> CONFIG_SCHED_DEBUG=y
> CONFIG_SCHEDSTATS=y
> CONFIG_TIMER_STATS=y
> CONFIG_STACKTRACE=y
> CONFIG_DEBUG_BUGVERBOSE=y
> CONFIG_DEBUG_MEMORY_INIT=y
> CONFIG_ARCH_WANT_FRAME_POINTERS=y
> CONFIG_FRAME_POINTER=y
> CONFIG_LATENCYTOP=y
> CONFIG_SYSCTL_SYSCALL_CHECK=y
> CONFIG_USER_STACKTRACE_SUPPORT=y
> CONFIG_NOP_TRACER=y
> CONFIG_HAVE_FUNCTION_TRACER=y
> CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
> CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
> CONFIG_HAVE_DYNAMIC_FTRACE=y
> CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
> CONFIG_HAVE_FTRACE_SYSCALLS=y
> CONFIG_RING_BUFFER=y
> CONFIG_TRACING=y
> CONFIG_TRACING_SUPPORT=y
> 
> CONFIG_SYSPROF_TRACER=y
> CONFIG_CONTEXT_SWITCH_TRACER=y
> CONFIG_BLK_DEV_IO_TRACE=y
> CONFIG_HAVE_ARCH_KGDB=y
> CONFIG_STRICT_DEVMEM=y
> CONFIG_X86_VERBOSE_BOOTUP=y
> CONFIG_EARLY_PRINTK=y
> CONFIG_DEBUG_RODATA=y
> CONFIG_HAVE_MMIOTRACE_SUPPORT=y
> CONFIG_IO_DELAY_TYPE_0X80=0
> CONFIG_IO_DELAY_TYPE_0XED=1
> CONFIG_IO_DELAY_TYPE_UDELAY=2
> CONFIG_IO_DELAY_TYPE_NONE=3
> CONFIG_IO_DELAY_0X80=y
> CONFIG_DEFAULT_IO_DELAY_TYPE=0
> 
> CONFIG_SECURITY_FILE_CAPABILITIES=y
> CONFIG_CRYPTO=y
> 
> CONFIG_CRYPTO_ALGAPI=y
> CONFIG_CRYPTO_ALGAPI2=y
> CONFIG_CRYPTO_AEAD2=y
> CONFIG_CRYPTO_BLKCIPHER=y
> CONFIG_CRYPTO_BLKCIPHER2=y
> CONFIG_CRYPTO_HASH2=y
> CONFIG_CRYPTO_RNG2=y
> CONFIG_CRYPTO_PCOMP=y
> CONFIG_CRYPTO_MANAGER=y
> CONFIG_CRYPTO_MANAGER2=y
> CONFIG_CRYPTO_WORKQUEUE=y
> 
> CONFIG_CRYPTO_CBC=y
> 
> CONFIG_HAVE_KVM=y
> CONFIG_HAVE_KVM_IRQCHIP=y
> CONFIG_VIRTUALIZATION=y
> CONFIG_KVM=y
> CONFIG_KVM_INTEL=y
> CONFIG_VIRTIO=y
> CONFIG_VIRTIO_RING=y
> CONFIG_VIRTIO_PCI=m
> CONFIG_VIRTIO_BALLOON=y
> CONFIG_BINARY_PRINTF=y
> 
> CONFIG_BITREVERSE=y
> CONFIG_GENERIC_FIND_FIRST_BIT=y
> CONFIG_GENERIC_FIND_NEXT_BIT=y
> CONFIG_GENERIC_FIND_LAST_BIT=y
> CONFIG_CRC16=y
> CONFIG_CRC_ITU_T=y
> CONFIG_CRC32=y
> CONFIG_ZLIB_INFLATE=y
> CONFIG_DECOMPRESS_GZIP=y
> CONFIG_DECOMPRESS_BZIP2=y
> CONFIG_DECOMPRESS_LZMA=y
> CONFIG_HAS_IOMEM=y
> CONFIG_HAS_IOPORT=y
> CONFIG_HAS_DMA=y
> CONFIG_NLATTR=y

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