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Date:      Sat, 21 May 2016 13:12:43 +0700
From:      Eugene Grosbein <eugen@grosbein.net>
To:        Dmitry Sivachenko <trtrmitya@gmail.com>, FreeBSD Stable ML <stable@freebsd.org>
Subject:   Re: Failed to write core file (error 14)
Message-ID:  <573FFC5B.50803@grosbein.net>
In-Reply-To: <0C2CA3A7-181E-43FA-B381-53341DF3D9CD@gmail.com>
References:  <0C2CA3A7-181E-43FA-B381-53341DF3D9CD@gmail.com>

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19.05.2016 23:29, Dmitry Sivachenko пишет:
> Hello,
>
> On our 10-stable boxes sometimes processes crash with the following errors:
>
> Failed to write core file for process check_ssh (error 14)
> pid 81441 (check_ssh), uid 181: exited on signal 11
> Failed to write core file for process nagios (error 14)
> pid 30255 (nagios), uid 181: exited on signal 11
> Failed to write core file for process sh (error 14)
> pid 59267 (sh), uid 181: exited on signal 11
> Failed to write core file for process nagios (error 14)
> pid 99102 (nagios), uid 181: exited on signal 11
>
>
> gdb does not show stack:
>
> (gdb) bt
> #0  0x0000000800bffb9b in ?? ()
> Cannot access memory at address 0x7fffffffd588
>
> It started several months ago after OS update to fresh 10/stable (but I do not remember details: which version were before and from which version that started).
>
> Does anyone observe something similar?

I have had exactly this problem with 9.3-STABLE and bad build of Cyris IMAPd:
"Failed to write core file for process check_ssh (error 14)" after signal 11.
I've rebuilt it with experimental options off and it stopped segfaulting.





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