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qdisc and down links (regression)

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From: Stephen Hemminger <stephen.hemminger@...>
To: David Miller <davem@...>
Cc: <netdev@...>, <linux-kernel@...>
Subject: qdisc and down links (regression)
Date: Thursday, August 7, 2008 - 5:30 pm

Before the mulitqueue changes in 2.6.27-rc it was possible to setup
queueing disciplines before the link came up (carrier active). This
no longer works. If link is down, the qdisc is the noop_qdisc and
any configuration changes don't seem to be shown.

This probably will break ISP's (and other users whose links aren't always
on) that use traffic shaping.

For example, try wondershaper or similar script before boot; all the
tc commands will fail.
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Messages in current thread:
qdisc and down links (regression), Stephen Hemminger, (Thu Aug 7, 5:30 pm)
Re: qdisc and down links (regression), David Miller, (Thu Aug 7, 6:47 pm)
Re: qdisc and down links (regression), David Miller, (Thu Aug 7, 9:50 pm)
Re: qdisc and down links (regression), Stephen Hemminger, (Fri Aug 8, 5:32 pm)
Re: qdisc and down links (regression), David Miller, (Sat Aug 9, 2:24 am)
Re: qdisc and down links (regression), Stephen Hemminger, (Mon Aug 11, 1:34 pm)
Re: qdisc and down links (regression), David Miller, (Fri Aug 8, 7:11 pm)
Re: qdisc and down links (regression), Stephen Hemminger, (Fri Aug 8, 7:12 pm)