| To: | Francois Romieu <romieu@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: Lockup with 2.6.9-ac15 related to netconsole |
| From: | jamal <hadi@xxxxxxxxxx> |
| Date: | 22 Dec 2004 08:33:15 -0500 |
| Cc: | Patrick McHardy <kaber@xxxxxxxxx>, Matt Mackall <mpm@xxxxxxxxxxx>, Mark Broadbent <markb@xxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxx |
| In-reply-to: | <20041222123940.GA4241@electric-eye.fr.zoreil.com> |
| Organization: | jamalopolous |
| References: | <20041221002218.GA1487@electric-eye.fr.zoreil.com> <20041221005521.GD5974@waste.org> <52121.192.102.214.6.1103624620.squirrel@webmail.wetlettuce.com> <20041221123727.GA13606@electric-eye.fr.zoreil.com> <49295.192.102.214.6.1103635762.squirrel@webmail.wetlettuce.com> <20041221204853.GA20869@electric-eye.fr.zoreil.com> <20041221212737.GK5974@waste.org> <20041221225831.GA20910@electric-eye.fr.zoreil.com> <41C93FAB.9090708@trash.net> <41C9525F.4070805@trash.net> <20041222123940.GA4241@electric-eye.fr.zoreil.com> |
| Reply-to: | hadi@xxxxxxxxxx |
| Sender: | netdev-bounce@xxxxxxxxxxx |
On Wed, 2004-12-22 at 07:39, Francois Romieu wrote: > If I am not mistaken, a failure on spin_trylock + the test on > xmit_lock_owner imply that it is safe to directly handle the > queue. It means that qdisc_run() has been interrupted on the > current cpu and the other paths seem fine as well. Counter-example > is welcome (no joke). Think more than 2 processors ;-> cheers, jamal |
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