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Date: Sun, 14 Jun 2009 14:36:10 -0400 From: Eric Lammerts <eric@...merts.org> To: Hugh Dickins <hugh.dickins@...cali.co.uk> Cc: kernel list <linux-kernel@...r.kernel.org>, gregkh@...e.de, netdev@...r.kernel.org Subject: Re: 2.6.30: tun losing ip On 06/14/2009 05:28 AM, Hugh Dickins wrote: > On Sun, 14 Jun 2009, Eric Lammerts wrote: >> There is something strange going on with tun devices: <snip> >> First you see the ip, then you don't... >> >> I traced it back to this commit: >> >> $ git-bisect bad >> 05f54c13cd0c33694eec39a265475c5d6cf223cf is first bad commit >> commit 05f54c13cd0c33694eec39a265475c5d6cf223cf >> Author: Hugh Dickins <hugh@...itas.com> >> Date: Thu Apr 16 21:55:29 2009 +0100 >> >> Revert "kobject: don't block for each kobject_uevent". >> >> If I take 2.6.30 and revert that commit, the problem goes away. > > I'm mortified! But it's rather odd, that's just a straight reversion > of an earlier, clearly buggy commit: I guess you have some other issue, > which reverting to a wait here now uncovers. > > One likely workaround: I suspect your .config says something like > CONFIG_UEVENT_HELPER_PATH=/sbin/hotplug, but you've no /sbin/hotplug? > Please try changing that to CONFIG_UEVENT_HELPER_PATH="", and see if > the problem comes up with that resulting kernel. Actually I do have an /sbin/hotplug, with I now noticed has some old script stuff behind it that starts a udhcpc... aarrrgh. I removed it and the problem's gone. Apologies for wasting your time. Eric -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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