Messages in this thread | | | Date | Mon, 25 Jul 2005 21:02:53 +0200 | From | Marc Ballarin <> | Subject | Re: Power consumption HZ250 vs. HZ1000 |
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On Mon, 25 Jul 2005 17:53:22 +0200 Pavel Machek <pavel@ucw.cz> wrote:
> USB devices prevent entering C3 and any interesting powersaving, > try without USB...
Hmm, just did. I even tried the rather minimalistic configuration below. Still no C3. (And what seems even stranger: no C1.)
Is this a BIOS Issue?
Regards
Tested config:
CONFIG_X86=y CONFIG_MMU=y CONFIG_UID16=y CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_IOMAP=y
CONFIG_EXPERIMENTAL=y CONFIG_CLEAN_COMPILE=y CONFIG_BROKEN_ON_SMP=y CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_LOCALVERSION="-hztest" CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y
CONFIG_SYSCTL=y CONFIG_HOTPLUG=y CONFIG_KOBJECT_UEVENT=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_KALLSYMS=y CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y CONFIG_SHMEM=y CONFIG_CC_ALIGN_FUNCTIONS=0 CONFIG_CC_ALIGN_LABELS=0 CONFIG_CC_ALIGN_LOOPS=0 CONFIG_CC_ALIGN_JUMPS=0 CONFIG_BASE_SMALL=0
CONFIG_X86_PC=y CONFIG_MPENTIUMM=y CONFIG_X86_CMPXCHG=y CONFIG_X86_XADD=y CONFIG_X86_L1_CACHE_SHIFT=6 CONFIG_RWSEM_XCHGADD_ALGORITHM=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_X86_WP_WORKS_OK=y CONFIG_X86_INVLPG=y CONFIG_X86_BSWAP=y CONFIG_X86_POPAD_OK=y CONFIG_X86_GOOD_APIC=y CONFIG_X86_INTEL_USERCOPY=y CONFIG_X86_USE_PPRO_CHECKSUM=y CONFIG_PREEMPT_NONE=y CONFIG_X86_TSC=y
CONFIG_EDD=y CONFIG_NOHIGHMEM=y CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y CONFIG_MTRR=y CONFIG_REGPARM=y CONFIG_SECCOMP=y CONFIG_HZ_250=y CONFIG_HZ=250 CONFIG_PHYSICAL_START=0x100000
CONFIG_PM=y
CONFIG_ACPI=y CONFIG_ACPI_BOOT=y CONFIG_ACPI_INTERPRETER=y CONFIG_ACPI_SLEEP=y CONFIG_ACPI_SLEEP_PROC_FS=y CONFIG_ACPI_BUTTON=y CONFIG_ACPI_VIDEO=y CONFIG_ACPI_HOTKEY=y CONFIG_ACPI_FAN=y CONFIG_ACPI_PROCESSOR=y CONFIG_ACPI_THERMAL=y CONFIG_ACPI_BLACKLIST_YEAR=0 CONFIG_ACPI_BUS=y CONFIG_ACPI_EC=y CONFIG_ACPI_POWER=y CONFIG_ACPI_PCI=y CONFIG_ACPI_SYSTEM=y CONFIG_X86_PM_TIMER=y
CONFIG_PCI=y CONFIG_PCI_GOANY=y CONFIG_PCI_BIOS=y CONFIG_PCI_DIRECT=y CONFIG_PCI_MMCONFIG=y CONFIG_PCI_NAMES=y CONFIG_ISA_DMA_API=y CONFIG_ISA=y
CONFIG_BINFMT_ELF=y CONFIG_BINFMT_MISC=y
CONFIG_NET=y
CONFIG_PACKET=y CONFIG_UNIX=y CONFIG_INET=y CONFIG_IP_MULTICAST=y CONFIG_IP_FIB_HASH=y CONFIG_SYN_COOKIES=y CONFIG_IP_TCPDIAG=y CONFIG_TCP_CONG_BIC=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
CONFIG_PNP=y
CONFIG_PNPACPI=y
CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_INITRAMFS_SOURCE=""
CONFIG_IOSCHED_NOOP=y CONFIG_IOSCHED_AS=y CONFIG_IOSCHED_DEADLINE=y CONFIG_IOSCHED_CFQ=y
CONFIG_IDE=y CONFIG_BLK_DEV_IDE=y
CONFIG_BLK_DEV_IDEDISK=y CONFIG_IDEDISK_MULTI_MODE=y CONFIG_BLK_DEV_IDECD=y
CONFIG_IDE_GENERIC=y CONFIG_BLK_DEV_IDEPCI=y CONFIG_IDEPCI_SHARE_IRQ=y CONFIG_BLK_DEV_GENERIC=y CONFIG_BLK_DEV_IDEDMA_PCI=y CONFIG_IDEDMA_PCI_AUTO=y CONFIG_BLK_DEV_PIIX=y CONFIG_BLK_DEV_IDEDMA=y CONFIG_IDEDMA_AUTO=y
CONFIG_INPUT=y
CONFIG_INPUT_MOUSEDEV=y CONFIG_INPUT_MOUSEDEV_SCREEN_X=1280 CONFIG_INPUT_MOUSEDEV_SCREEN_Y=800
CONFIG_INPUT_KEYBOARD=y CONFIG_KEYBOARD_ATKBD=y
CONFIG_SERIO=y CONFIG_SERIO_I8042=y CONFIG_SERIO_LIBPS2=y
CONFIG_VT=y CONFIG_VT_CONSOLE=y CONFIG_HW_CONSOLE=y
CONFIG_UNIX98_PTYS=y
CONFIG_VIDEO_SELECT=y
CONFIG_VGA_CONSOLE=y CONFIG_DUMMY_CONSOLE=y
CONFIG_SPEAKUP_DEFAULT="none"
CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y
CONFIG_EXT3_FS=y CONFIG_EXT3_FS_XATTR=y CONFIG_EXT3_FS_POSIX_ACL=y CONFIG_EXT3_FS_SECURITY=y CONFIG_JBD=y CONFIG_FS_MBCACHE=y CONFIG_FS_POSIX_ACL=y
CONFIG_DNOTIFY=y
CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y CONFIG_SYSFS=y CONFIG_DEVPTS_FS_XATTR=y CONFIG_DEVPTS_FS_SECURITY=y CONFIG_TMPFS=y CONFIG_RAMFS=y
CONFIG_MSDOS_PARTITION=y
CONFIG_NLS=y CONFIG_NLS_DEFAULT="iso8859-1" CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_CODEPAGE_850=y CONFIG_NLS_CODEPAGE_1250=y CONFIG_NLS_ASCII=y CONFIG_NLS_ISO8859_1=y CONFIG_NLS_ISO8859_15=y CONFIG_NLS_UTF8=y
CONFIG_LOG_BUF_SHIFT=14 CONFIG_DEBUG_BUGVERBOSE=y CONFIG_EARLY_PRINTK=y
CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_X86_BIOS_REBOOT=y CONFIG_PC=y - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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