On Sun, Sep 28, 2008 at 08:19:57PM +0930, Kevin Shanahan wrote:
> On Sat, Sep 27, 2008 at 05:10:33AM +0300, Faidon Liambotis wrote:
> > You seem to have a good overview of this particular bug.
> >
> > Do you think that the patch that Tzafrir mentioned[1] would fix it?
> > If not, do you have a proposal for a fix?
> >
> > 1:
> > http://repo.or.cz/w/asterisk-bristuff.git?a=commit;h=6e44531a8a112e36588b5dbced309b0521d6b64e
>
> Well it looked promising, but no - the lockup still appears to be
> reproducable. The patch I used to test is attached. Let me know if I
> made any mistake in backporting it (it should apply cleanly as the
> last patch in the debian/patches/series file).
>
> I'll see if I can get a useful backtrace when I have a bit more time
> where I can afford to have the phones offline.
I noticed that 1.4.21 -> 1.4.22 cleared quite a few deadlocks (see the
"DEADLOCK_AVOIDANCE" macro).
Can you give a reproducable deadlock scenario?
--
Tzafrir Cohen
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