[Xorp-users] show pim join sends xorpsh and send_cli_processor into busy loop, xorp 1.5

Ben Greear greearb at candelatech.com
Sun Nov 20 19:09:11 PST 2011


On 11/20/2011 01:49 PM, Stevan Markovic wrote:
> I found very similar problem reported here: http://mailman.icsi.berkeley.edu/pipermail/xorp-users/2007-July/001840.html
> There is not more more than a dozen of multicast group in a network where it happens. Both xoprsh and send_cli_processor went into busy loops which do not
> terminate.
>
> Simple "show pim join" command in xorpsh reproduces problem. It is sometimes needs 2-3 command to be executed 2-3 times. xorpsh prompt can be regained only with
> Ctrl-C.
>
> Upgrading to recent xorp version is not our option since xorp 1.5 is integrated into commercial product. We can eventually back port (if feasible) from the
> version where this problem is fixed into specific installation patch.
>
> Besides referred message, is this a known problem? I did not find anything similar in xorp bug database. If yes, which XORP release contains the fix?
> Specificity about source code modules and nature of the change will be also very welcomed.

I haven't seen anything like this, nor heard of it recently.

I've no interest in working on old code, but if you can reproduce the
problem in the latest code I'll try to fix it.

To fix it yourself, I suggest using strace, gdb, or similar to find out where it
is spinning.

Thanks,
Ben

>
> Thank you,
> Stevan Markovic
> McAfee Inc
>
>
>
>
>
>
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-- 
Ben Greear <greearb at candelatech.com>
Candela Technologies Inc  http://www.candelatech.com



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