[Dnsmasq-discuss] 2.73 crashes; 2.72 runs fine

Simon Kelley simon at thekelleys.org.uk
Thu Jun 18 22:00:28 BST 2015


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

223 interfaces is quite impressive! Let's try and debug at your end
rather than reproduce the bug here for now.

Next test: start dnsmasq with the -d flag, and see what happens.

Next next test: start dnsmasq -d under strace and post the large output.

Cheers,

Simon.


On 18/06/15 16:05, Carlos Carvalho wrote:
> Simon Kelley (simon at thekelleys.org.uk) wrote on Thu, Jun 18, 2015
> at 06:28:08AM BRT: If you could do a quick check and see if 2.73rc9
> behaves the same way, that would be useful. The change most likely
> to have provoked this happened after rc9.
> 
>> No, behavior is the same as 2.73 final.
> 
> On 17/06/15 22:32, Carlos Carvalho wrote:
>>>> I tried 2.73 today but it doesn't run. First, it aborts with
>>>> 
>>>> dnsmasq: failed to create listening socket for 
>>>> fe80::225:90ff:fe4f:6820: Too many open files
>>>> 
>>>> Raising the limit it starts but vanishes:
>>>> 
>>>> hoggar#~ ulimit -n 2048 hoggar#~ dnsmasq
>>>> 
>>>> In the log:
>>>> 
>>>> Jun 17 17:43:11 dnsmasq[26530]: started, version 2.73
>>>> cachesize 10000 Jun 17 17:43:11 dnsmasq[26530]: compile time
>>>> options: IPv6 GNU-getopt no-DBus i1 8n IDN DHCP no-DHCPv6
>>>> no-scripts TFTP no-conntrack ipset auth DNSSEC loop-detect
>>>> inotify [lots of initial stuff omitted] Jun 17 17:43:11
>>>> dnsmasq[26530]: using nameserver 127.0.0.1#53
>>>> 
>>>> and nothing more. The process disappeared. There are no
>>>> messages in any log file.
>>>> 
>>>> I compiled the Debian package with DEB_BUILD_OPTIONS="nodbus 
>>>> noconntrack nodhcp6 noscript"
>>>> 
>>>> 2.72 runs with the same configuration. The machine has 223 
>>>> interfaces.
>>>> 
>>>> Why does 2.73 needs more open files? Is the crash related to
>>>> this?
>>>> 
>>>> _______________________________________________
>>>> Dnsmasq-discuss mailing list
>>>> Dnsmasq-discuss at lists.thekelleys.org.uk 
>>>> http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
>>>>
>>
>>
>>>> 
_______________________________________________
>> Dnsmasq-discuss mailing list 
>> Dnsmasq-discuss at lists.thekelleys.org.uk 
>> http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
> 
> _______________________________________________ Dnsmasq-discuss
> mailing list Dnsmasq-discuss at lists.thekelleys.org.uk 
> http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
> 
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=hImX
-----END PGP SIGNATURE-----



More information about the Dnsmasq-discuss mailing list