[nsd-users] nsd3 as seconday, and the zonefile

Wouter Wijngaards wouter at NLnetLabs.nl
Thu Nov 8 09:22:30 UTC 2007

Hash: SHA1

Hi Paul,

Can you print the contents of the zone variable?
Also, if you could give me a (small) way to reproduce this, a config
file, nsd.db, ixfr.db file? (send it off list)

Best regards,

Paul Wouters wrote:
> On Wed, 7 Nov 2007, Simon Vallet wrote:
>>> I noticed that nsd (at least 3.0.6) when configured as secondary, no
>>> longer stores the zonefiles in "plaintext". I assume all the data is
>>> only stored in the nsd.db file.
>> I don't know if that's what you're looking for, but AFAIK NSD does
>> update the zone data in the configured files after an 'nsdc patch',
>> which flushes the journal data. You might want to configure a cron job
>> to do this regularly.
> Ahh. of course..... Thanks Simon.
> That created most of the files, and then died:
> Program received signal SIGSEGV, Segmentation fault.
> 0x08051622 in main (argc=Cannot access memory at address 0x1
> ) at nsd-patch.c:354
> 354                             printf("zone %s had not changed.\n",
> (gdb) bt full
> #0  0x08051622 in main (argc=Cannot access memory at address 0x1
> ) at nsd-patch.c:354
>         c = <value optimized out>
>         configfile = 0xbfddcb92 "/etc/nsd/nsd.conf"
>         difffile = 0x1 <Address 0x1 out of bounds>
>         options = (nsd_options_t *) 0x14
>         db = <value optimized out>
>         zone = (struct zone *) 0x81161c4
>         commit_log = (struct diff_log *) 0x81d96d4
>         debug_list_diff = 0
>         force_write = 0
> The diff file was specified via the nsdc patch command as "-x /var/lib/nsd/ixfr.db"
> and is available there:
> -rw-r--r-- 1 nsd nsd 607249 Nov  7 19:30 /var/lib/nsd/ixfr.db
> But the pointer to the difffile seems to have gotten corrupted.
> Is there anything else I can supply to assist debugging this?
> Paul
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