On 6/23/14, 7:16 AM, Paweł Tyll wrote:
Hello Adrian,
Sunday, June 22, 2014, 8:14:22 PM, you wrote:
They're NULL pointer derferences, so it's likely a race condition with
some other thread destroying something and setting the pointer value
to NULL somewhere.
I thought this was a reasonably well known problem? Was it ever fixed
in 10/head?
It probably wasn't, since I had similar issues on 10-STABLE r266523.
It's caused (most often) by packet returning from traffic shaping
queues, when in the meantime ng interface got destroyed by mpd. That's
why the sleep hack works; mpd destroys interface 1s later that usual.
Curious though, that hostelnet uses ng_car for traffic shaping, yet
things still panic, even though whole ordeal happens inside netgraph.
Lots of entry-points for a fix :)
probably means we need to look at a netgraph framework based fix.
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