Re: Is it normal for freezing while...

Mike Fedyk
2001-12-01T08:27:03Z

On Fri, Nov 30, 2001 at 10:16:58PM -0800, Andrew Morton wrote:
> Being a cautious chap, I think I'll submit that patch, with
> the default setting to "off", so there is no change to default
> kernel behaviour. Then people can run `elvtune -b' to enable it.
>

Hmm...

mikef-linux:/home/mfedyk# elvtune /dev/hda

/dev/hda elevator ID 0
read_latency: 8192
write_latency: 16384
max_bomb_segments: 0

mikef-linux:/home/mfedyk# elvtune -b 2 /dev/hda

/dev/hda elevator ID 0
read_latency: 8192
write_latency: 16384
max_bomb_segments: 0

mikef-linux:/home/mfedyk# elvtune -b 1000 /dev/hda

/dev/hda elevator ID 0
read_latency: 8192
write_latency: 16384
max_bomb_segments: 0

mikef-linux:/home/mfedyk# elvtune -b 1000 /dev/hdc

/dev/hdc elevator ID 1
read_latency: 8192
write_latency: 16384
max_bomb_segments: 0

mikef-linux:/home/mfedyk# uname -r
2.4.17-pre2

What's wrong?