Messages in this thread | | | Date | Tue, 2 Aug 2005 12:44:49 +0200 | From | Mattia Dongili <> | Subject | Re: BUG: atomic counter underflow at ip_conntrack_event_cache_init+0x91/0xb0 (with patch) |
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On Tue, Aug 02, 2005 at 02:47:55AM +0200, Patrick McHardy wrote: > Patrick McHardy wrote: > > Mattia Dongili wrote: [...] > >>this doesn't fix it actually, see dmesg below:
blame me... It seems I forgot a damn --dry-run while applying your first patch :P And in fact your first fix solves the BUG I was seeing.
> > It looks like ip_ct_iterate_cleanup and ip_conntrack_event_cache_init > > race against each other with assigning pointers and grabbing/putting the > > refcounts if called from different contexts. > > This should be a fist step towards fixing it. It's probably incomplete > (I'm too tired to check it now), but it should fix the problem you're > seeing. Could you give it a spin?
building right now
> BTW, ip_ct_iterate_cleanup can only be called from ipt_MASQUERADE when > a device goes down. It seems a bit odd that this is happending on boot, > is there anything special about your setup?
yes, ifplugd. This morning I noticed that booting without networking a nd without loading ip_conntrack (no iptables rules) everything proceeded smoothly. So rebooting normally I noticed that the BUG was triggered as soon as ifplugd configured eth0 (with ip_conntrack already loaded). I'll try to narrow the thing more and let you know.
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