Matthew Burgess wrote: > Yep, here's my '/etc/sysctl.conf': > > net.ipv4.tcp_window_scaling = 0 > dev.rtc.max-user-freq = 1024 > > I think that the top two were failing because the relevant > /proc entries hadn't been created; the devices/interfaces hadn't been > brought up by the time the sysctl bootscript was run, hence I had to > move it further on in the boot process.
At least /proc/sys/dev/rtc/max-user-freq does not exist until the rtc module is loaded. (As long as "enhanced real-time clock" is configured as a module, anyway. Build it into the kernel and the problem goes away. ;-P ) This may happen in S05modules, or it may happen in S55hotplug (at least, I think hotplug is 55). You'd need to refrain from setting that particular sysctl until after the rtc module is loaded. (What I do is put an "echo 1024 >/proc/sys/dev/rtc/max-user-freq" into S99local, and leave sysctl.conf the way it would otherwise be. This isn't great, but it does work.) I don't know anything about the window-scaling sysctl though.
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