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Old 01-14-2008, 06:32 PM
Brandon L Black
 
Default Bug#436471: linux-2.6: using lvs_sync_daemon makes the load increase by 1.0 (fixed upstream)

Package: linux-image-2.6.18-5-amd64
Version: 2.6.18.dfsg.1-17
Followup-For: Bug #436471


Just bumping this report. I'm experiencing the same problem with the
latest etch kernel right now on x86_64. My research brought me to the
exact same patch URL the first submitter provided. LXR seems to indicate
this went into the mainline 2.6.20 kernel, and hasn't changed yet through
2.6.23.x. It's a very simple bugfix. Four lines containing "ssleep(1)"
are replaced by "msleep_interruptable(1000)". In the case of
bidirectional synchronization, without this fix my machines have their
load artificially increased by 2.0, with nothing at all apparent in top
or in the standard CPU stats to explain it. Please backport this into
the etch kernel.

-- System Information:
Debian Release: 4.0
APT prefers stable
APT policy: (500, 'stable')
Architecture: amd64 (x86_64)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18-5-amd64
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)

Versions of packages linux-image-2.6.18-5-amd64 depends on:
ii cor 5.97-5.3 The GNU core utilities
ii deb 1.5.11etch1 Debian configuration management sy
ii e2f 1.39+1.40-WIP-2006.11.14+dfsg-2etch1 ext2 file system utilities and lib
ii ini 0.85h tools for generating an initramfs
ii mod 3.3-pre4-2 tools for managing Linux kernel mo

linux-image-2.6.18-5-amd64 recommends no packages.

-- debconf information:
linux-image-2.6.18-5-amd64/preinst/lilo-has-ramdisk:
linux-image-2.6.18-5-amd64/postinst/create-kimage-link-2.6.18-5-amd64: true
shared/kernel-image/really-run-bootloader: true
linux-image-2.6.18-5-amd64/postinst/old-system-map-link-2.6.18-5-amd64: true
linux-image-2.6.18-5-amd64/postinst/depmod-error-initrd-2.6.18-5-amd64: false
linux-image-2.6.18-5-amd64/preinst/initrd-2.6.18-5-amd64:
linux-image-2.6.18-5-amd64/postinst/bootloader-test-error-2.6.18-5-amd64:
linux-image-2.6.18-5-amd64/preinst/elilo-initrd-2.6.18-5-amd64: true
linux-image-2.6.18-5-amd64/postinst/kimage-is-a-directory:
linux-image-2.6.18-5-amd64/postinst/depmod-error-2.6.18-5-amd64: false
linux-image-2.6.18-5-amd64/preinst/bootloader-initrd-2.6.18-5-amd64: true
linux-image-2.6.18-5-amd64/prerm/removing-running-kernel-2.6.18-5-amd64: true
* linux-image-2.6.18-5-amd64/preinst/already-running-this-2.6.18-5-amd64:
linux-image-2.6.18-5-amd64/preinst/lilo-initrd-2.6.18-5-amd64: true
linux-image-2.6.18-5-amd64/preinst/abort-install-2.6.18-5-amd64:
linux-image-2.6.18-5-amd64/preinst/abort-overwrite-2.6.18-5-amd64:
linux-image-2.6.18-5-amd64/preinst/failed-to-move-modules-2.6.18-5-amd64:
linux-image-2.6.18-5-amd64/prerm/would-invalidate-boot-loader-2.6.18-5-amd64: true
linux-image-2.6.18-5-amd64/postinst/bootloader-error-2.6.18-5-amd64:
linux-image-2.6.18-5-amd64/postinst/old-initrd-link-2.6.18-5-amd64: true
linux-image-2.6.18-5-amd64/preinst/overwriting-modules-2.6.18-5-amd64: true
linux-image-2.6.18-5-amd64/postinst/old-dir-initrd-link-2.6.18-5-amd64: true



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