I am running BackupPC 3.2.0.  The line where it fails is:

if ( !defined($pid = open(CHILD, "-|")) ) {

So it looks like it is attempting to fork...

Stephen Gelman
Systems Administrator

On Apr 28, 2011, at 11:55 PM, Holger Parplies wrote:

> Hi,
> 
> Stephen Gelman wrote on 2011-04-20 22:57:38 -0500 [[BackupPC-users] "Can't 
> Fork" Crash on Nexenta (Solaris)]:
>> On Nexenta (which is essentially an OpenSolaris derivative), I seem to have
>> issues where BackupPC crashes every once and a while.  When it crashes, the
>> log says:
>> 
>> Can't fork at /usr/share/backuppc/lib/BackupPC/Lib.pm line 1340.
>> 
>> Any ideas how to prevent this?
>> 
>> Stephen Gelman
>> Systems Administrator
> 
> errm, have less processes running on your machine? What errno is that? Line
> 1340 contains a Perl 'return' statement, so that's strange (since you didn't
> mention it, you must be using BackupPC 3.2.0beta0, because that's the version
> I happened to check). Which log file? How come BackupPC writes something to
> the log if it crashes? BackupPC doesn't even *try* to fork via Lib.pm (only
> BackupPC_{dump,restore,archive} appear to use that), and failures to fork in
> the daemon are certainly not fatal (except for daemonizing on startup).
> Very strange.
> 
> Oh, and we know what Nexenta is. That's the part you wouldn't have needed to
> explain.
> 
> Regards,
> Holger


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