you need to run strace -f -p PID under root account. see example:

strace -f -p 28771

Anyway, you are running so old version of openvas that you possibly won't
get any support for that. :(

--
Eero

2016-02-03 13:10 GMT+02:00 Michele Lasaponara <[email protected]>:

> I use the scan Full and Fast.  This is the first result of command ps :
> 0         2248  0.3  0.2 177588 47120 ?        Ss   00:00   2:10
> openvassd: Waiting for incoming connections
> but then I have more process in testing:
>
> 0        28678  0.0  0.4 211268 80324 ?        S    12:04   0:00
> openvassd: testing 193.206.39.155
> (/var/lib/openvas/plugins/pre2008/cf_debug.nasl)
> 0        28679  0.0  0.4 211400 80200 ?        S    12:04   0:00
> openvassd: testing 193.206.39.155
> (/var/lib/openvas/plugins/pre2008/cf_debug.nasl)
> 0        28739  0.0  0.4 211260 80304 ?        S    12:04   0:00
> openvassd: testing 193.206.39.151
> (/var/lib/openvas/plugins/pre2008/cf_debug.nasl)
> 0        28740  0.0  0.4 211260 80172 ?        S    12:04   0:00
> openvassd: testing 193.206.39.151
> (/var/lib/openvas/plugins/pre2008/cf_debug.nasl)
> 0        28771  0.9  0.4 212004 80840 ?        S    12:04   0:00
> openvassd: testing 193.206.39.154
> (/var/lib/openvas/plugins/2014/gb_bash_shellshock_remote_cmd_exec_vuln.nasl)
> 0        29262  0.0  0.4 211400 80204 ?        S    12:05   0:00
> openvassd: testing 193.206.39.155
> (/var/lib/openvas/plugins/pre2008/cf_debug.nasl)
> 0        29332  0.0  0.4 211460 80456 ?        S    12:05   0:00
> openvassd: testing 193.206.39.153
> (/var/lib/openvas/plugins/2014/gb_phpwiki_rce_08_14.nasl)
> 0        29338  0.0  0.4 211460 80448 ?        S    12:05   0:00
> openvassd: testing 193.206.39.153
> (/var/lib/openvas/plugins/2014/gb_phpwiki_rce_08_14.nasl)
>
> I'm working for a thesis at a research group that have this OS on server.
> Michele.
>
> 2016-02-03 11:56 GMT+01:00 Eero Volotinen <[email protected]>:
>
>> Well, what kind of scan setting you are using?
>>
>> What is output of ps aux | grep openvas on during hanged scan?
>>
>> Does strace -f -p PIDOFHANGED-process output something to screen? or just
>> something like WAIT ..
>>
>> Why you cannot use centos 7?
>>
>> Eero
>>
>> 2016-02-03 12:50 GMT+02:00 Michele Lasaponara <[email protected]>:
>>
>>> Hi OpenVAS users,
>>> I'm testing openvas 7 on a platform with CentOS 6.6 (I can't install
>>> openvas8, because it requires CentOS 7).I have a problem on some scans 
>>> entire
>>> networks, it gets stuck at 99% on some hosts, but the CPU just works and
>>> I have a few running processes.
>>> Do you have any advice on how to operate? For example, some
>>> customization to reduce the scan time? Thanks for the attention, Regards.
>>>
>>> _______________________________________________
>>> Openvas-discuss mailing list
>>> [email protected]
>>>
>>> https://lists.wald.intevation.org/cgi-bin/mailman/listinfo/openvas-discuss
>>>
>>
>>
>
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