Michael Wu wrote: > On Tuesday 01 May 2007 11:25, Jiri Benc wrote: >> On Tue, 01 May 2007 16:18:52 +0200, Jan Kiszka wrote: >>> Already tried this lethal command? Works "fine" here... >>> >>> #tc qdisc del dev wmaster0 root >> I cannot reproduce it too. >> > I can reproduce it. Fine, that save /me some time. > I thought qdiscs couldn't be changed without taking the > interface down first.. which is not true. It merely waits for things to quiet > down before swapping out the qdisc. > > Some code in ieee80211_master_start_xmit probably will be needed to correctly > handle things if the ieee80211 qdisc isn't installed. I don't see an easy way > to prevent things from working all the time if the qdisc is removed. I didn't followed the discussion in details, but wasn't there once a suggestion to hide netdevices from the user so that there would be no chance to stumble over this issue? Jan
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