[quagga-users 14021] Re: Quagga BGPD crash

Donald Sharp sharpd at cumulusnetworks.com
Mon Jun 22 16:28:00 BST 2015


I would recommend loading up your version of bgpd in gdb and decoding those
pointers, so we can see what function actually caused the crash.

Something like this:

gdb <your/path/to/bgpd>

Now we need to decode all those symbols:

l *(<hex pointer values from above>)

Send the outputs here and maybe it will jog something, as it is we need a
bit more info to do anything.

Additionally was there a core file generated?

donald

On Sat, Jun 20, 2015 at 4:18 AM, Arnaud Launay <asl at launay.org> wrote:

> Hello,
>
> We had last week a crash on the bgpd daemon, under
> Quagga 0.99.23.1, on a Gentoo server with few traffic.
>
> The only thing we found are those messages:
>
> BGP: Received signal 11 at 1434421685 (si_addr 0x0); aborting...
> Backtrace for 10 stack frames:
> /usr/lib64/libzebra.so.0(zlog_backtrace_sigsafe+0x2a)[0x7fdb9b05650a]
> /usr/lib64/libzebra.so.0(zlog_signal+0x319)[0x7fdb9b056c09]
> /usr/lib64/libzebra.so.0(+0x3dea5)[0x7fdb9b060ea5]
> /lib64/libc.so.6(+0x35090)[0x7fdb9a6e1090]
> /usr/sbin/bgpd[0x4329be]
> /usr/lib64/libzebra.so.0(work_queue_run+0xc9)[0x7fdb9b061a79]
> /usr/lib64/libzebra.so.0(thread_call+0x3e)[0x7fdb9b04952e]
> /usr/sbin/bgpd(main+0x318)[0x41a7c8]
> /lib64/libc.so.6(__libc_start_main+0xf5)[0x7fdb9a6cda95]
> /usr/sbin/bgpd[0x41a84c]
> 2015/06/16 04:28:06 ZEBRA: client 16 disconnected. 564367 bgp routes
> removed from the rib
>
> We just restarted the daemon, it works fine since.
>
> There's nothing elsewhere in the logs. Any idea ?
>
>         Arnaud.
>
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