Date: Thu, 23 Jun 2016 12:53:58 +0200 From: Andrea Venturoli <ml@netfence.it> To: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>, Karl Vogel <vogelke@pobox.com> Subject: Re: Periodic stuck in find (unkillable) Message-ID: <e6e6703e-7fb3-dbec-f6a1-e22163657c3e@netfence.it> In-Reply-To: <efd88372-61dd-285a-a93f-24665fcfd6a7@netfence.it> References: <efd88372-61dd-285a-a93f-24665fcfd6a7@netfence.it>
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On Mon, 20 Jun 2016 18:31:54 -0400 Karl Vogel wrote:
>> # ps ax | grep find
>> find -sx / /usr /var /data /dev/null -type f ( ( ! -perm +010 -and -p
>
> I don't have a BSD box in front of me; can you use "truss -p pid" to
> attach to one of the running processes and see if anything comes back?
On the box where I still have the "find"s running, I attached to all of
them and waited 10 minutes: nothing was output.
The box where clamscan was stuck was rebooted in the meanwhile, because
several clamscans brought it to its knees by comsuming all RAM and swap.
> If that doesn't work out, can you get the full "find" command line from
> /proc and re-run it in a separate session? Don't redirect the output or
> do anything else to change the buffering, and see if/as/when it quits.
On the first box I ran:
> find -sx / /usr /var /data /mnt/backup /dev/null -type f \( -perm -u+x -or -perm -g+x -or -perm -o+x \) \( -perm -u+s -or -perm -g+s \) -exec ls -liTd {} +
(notice /mnt/backup is not currently mounted)
The process soon got stuck, cannot be put in background with ^Z or
interrupted with ^C.
^T gives:
> load: 0.11 cmd: find 38500 [vodead] 2828.23r 8.63u 50.07s 0% 2448k
Maybe I'm hit by > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=204764
?
On the other box the clamscan job got to its end in 11h, but didn't get
stuck, probably due to the reboot.
Thanks for your suggestions.
bye
av.
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