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Date:      Sun, 12 Oct 2014 11:42:13 +0200
From:      Johan Hendriks <joh.hendriks@gmail.com>
To:        =?UTF-8?B?RGFudGUgRi4gQi4gQ29sw7I=?= <dante01010@gmail.com>
Cc:        freeBSD <freebsd-questions@freebsd.org>
Subject:   Re: Samba smbd processes overload and panic
Message-ID:  <CAOaKuAWfsJE5sygOM_KLwkdjuUrgmuJOqT5S1550vz-uD-4j7Q@mail.gmail.com>
In-Reply-To: <5438477D.7090406@gmail.com>
References:  <5438477D.7090406@gmail.com>

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Op vrijdag 10 oktober 2014 heeft "Dante F. B. Col=C3=B2" <dante01010@gmail.=
com>
het volgende geschreven:

> Greetings everyone
>
> I recently deployed  Samba 4.0.21 running as classic pdc on freebsd 10
> version RELEASE-p9, most of shares are in a ZFS volume with vfs_zfsacl
> module, some smbd processes stays constantly with around 70% cpu usage
> sometimes 90% and dies with signal 11 according the log message , i also
> tried enable debug but didn't show anything helpful  or maybe i wasn't ab=
le
> to understand the entire log, is there anybody here experiencing somethin=
g
> similar ?
>
> Best Regards
> Dante F. B. Col=C3=B2
>
> INTERNAL ERROR: Signal 11 in pid 59865 (4.0.21)
>   Please read the Trouble-Shooting section of the Samba HOWTO
> [2014/10/10 08:33:08.955295,  0] =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D
> [2014/10/10 08:33:08.955326,  0]   PANIC (pid 59865): internal error
> [2014/10/10 08:33:08.957939,  0]   BACKTRACE: 7 stack frames:
>    #0 0x802b5a921 <log_stack_trace+0x21> at /usr/local/lib/libsmbconf.so.=
0
>    #1 0x802b5a708 <smb_panic_s3+0x98> at /usr/local/lib/libsmbconf.so.0
>    #2 0x80146ef25 <smb_panic+0x35> at /usr/local/lib/libsamba-util.so.0
>    #3 0x80146f50a <smb_panic+0x61a> at /usr/local/lib/libsamba-util.so.0
>    #4 0x80146eee3 <fault_setup+0x73> at /usr/local/lib/libsamba-util.so.0
>    #5 0x8044ce40b <_swapcontext+0x15b> at /lib/libthr.so.3
>    #6 0x8044cdff3 <sigaction+0x343> at /lib/libthr.so.3
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A shot in the dark, but do you have use sendfile =3D yes in your
/usr/local/etc/smb4.conf file?
If so, set it to no or comment out the line and restart samba.


Regards,
Johan



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