Messages in this thread | | | Date | Tue, 1 Aug 2006 20:37:41 -0700 | From | Greg KH <> | Subject | Re: udev taking a long time during startup |
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On Tue, Aug 01, 2006 at 12:16:25AM -0700, Piet Delaney wrote: > Hey Gang: > > We were wondering why there is a 60 second delay on our systems > from the time that the kernel releases memory and the file system > is checked. > > I dropped into kgdb during this period and found that an init > script, S10udev in our case, was sleeping in sys_nanosleep() > or sys_wait4(). Looks like thread/process S10udev forks udevstart > which forks udev which appears to be sleeping or waiting every time > I check in on it; Seems terribly wasteful.
You don't let us know what kernel version, or what version of udev, or even what distro you are using. I think we need a bit more information here :)
> udev seems to be a utility for hotplug and configured > with /etc/udev/udev.conf. Since we have no hot plug devices > I wonder if it really has to be called on every startup. On > solaris the device nodes are only re-established if you boot > with a -r option.
Yes, udev figures out what device nodes to create at boot time, it is required if you want to use it.
thanks,
greg k-h - 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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