Messages in this thread | | | From | Paul Kimoto <> | Date | Sat, 18 Dec 1999 01:19:57 -0500 | Subject | `du' and `updatedb' may cause small time loss in 2.3.3* |
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I have two Intel Pentium (IDE) boxes running kernels 2.3.{32,33} and NTP, with {64,48} MB RAM. Sometimes I run ~minute-long `du' or `updatedb' jobs, which cause a lot of disk activity. Afterwards, the NTP programs report that the machine has lost a bit of time: a previously synchronized box will lag its time source (by some significant fraction of a second).
In the NTP log files, I see the NTP daemon reset the clock overnight, after daily `updatedb' cron jobs. It looks like this did not happen with 2.3.28 (or with 2.2.*), but it did with 2.3.30-pre3.
Appended is (the non-comment part of) one machine's .config file. Please e-mail to tell me what else is worth knowing.
-Paul <kimoto@lightlink.com>
CONFIG_X86=y CONFIG_ISA=y CONFIG_EXPERIMENTAL=y CONFIG_M586TSC=y CONFIG_X86_WP_WORKS_OK=y CONFIG_X86_INVLPG=y CONFIG_X86_BSWAP=y CONFIG_X86_POPAD_OK=y CONFIG_X86_TSC=y CONFIG_NOHIGHMEM=y CONFIG_MODULES=y CONFIG_KMOD=y CONFIG_NET=y CONFIG_PCI=y CONFIG_PCI_GOANY=y CONFIG_PCI_BIOS=y CONFIG_PCI_DIRECT=y CONFIG_PCI_NAMES=y CONFIG_SYSVIPC=y CONFIG_SYSCTL=y CONFIG_KCORE_ELF=y CONFIG_BINFMT_AOUT=m CONFIG_BINFMT_ELF=y CONFIG_BINFMT_MISC=m CONFIG_PARPORT=y CONFIG_PARPORT_PC=y CONFIG_BLK_DEV_FD=m CONFIG_BLK_DEV_IDE=y CONFIG_BLK_DEV_IDEDISK=y CONFIG_BLK_DEV_IDECD=m CONFIG_BLK_DEV_CMD640=y CONFIG_BLK_DEV_CMD640_ENHANCED=y CONFIG_BLK_DEV_IDEPCI=y CONFIG_BLK_DEV_IDEDMA_PCI=y CONFIG_IDEDMA_PCI_AUTO=y CONFIG_IDEDMA_PCI_EXPERIMENTAL=y CONFIG_BLK_DEV_IDEDMA=y CONFIG_IDEDMA_AUTO=y CONFIG_BLK_DEV_RAM=m CONFIG_PARIDE_PARPORT=y CONFIG_BLK_DEV_IDE_MODES=y CONFIG_PACKET=m CONFIG_NETFILTER=y CONFIG_UNIX=y CONFIG_INET=y CONFIG_SYN_COOKIES=y CONFIG_SKB_LARGE=y CONFIG_NETDEVICES=y CONFIG_DUMMY=y CONFIG_NET_ETHERNET=y CONFIG_NET_EISA=y CONFIG_DE4X5=m CONFIG_DEC_ELCP=m CONFIG_PLIP=m CONFIG_PPP=y CONFIG_PPP_ASYNC=y CONFIG_PPP_DEFLATE=m CONFIG_VT=y CONFIG_VT_CONSOLE=y CONFIG_SERIAL=y CONFIG_UNIX98_PTYS=y CONFIG_UNIX98_PTY_COUNT=256 CONFIG_PRINTER=m CONFIG_MOUSE=y CONFIG_PSMOUSE=y CONFIG_ACPI=y CONFIG_AUTOFS_FS=m CONFIG_FAT_FS=m CONFIG_MSDOS_FS=m CONFIG_ISO9660_FS=m CONFIG_PROC_FS=y CONFIG_DEVPTS_FS=m CONFIG_EXT2_FS=y CONFIG_NFS_FS=m CONFIG_SUNRPC=m CONFIG_LOCKD=m CONFIG_MSDOS_PARTITION=y CONFIG_NLS=y CONFIG_NLS_CODEPAGE_437=m CONFIG_NLS_ISO8859_1=m CONFIG_VGA_CONSOLE=y CONFIG_SOUND=m CONFIG_SOUND_OSS=m CONFIG_SOUND_SB=m
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