mlockall() failes on amd64
Danny Braniss
danny at cs.huji.ac.il
Sat Sep 16 09:55:32 PDT 2006
> On Sep 16, 7:17pm, danny at cs.huji.ac.il (Danny Braniss) wrote:
> -- Subject: Re: mlockall() failes on amd64
>
> | > On Sep 16, 2:55pm, danny at cs.huji.ac.il (Danny Braniss) wrote:
> | > -- Subject: mlockall() failes on amd64
> | >
> | > | with am-utils 6.1.5, on a amd64 6.1-STABLE kernel i see:
> | > | Couldn't lock process pages in memory using mlockall()
> | > | while it's ok on a i386:
> | > | Locked process pages in memory
> | > |
> | >
> | > We should really fix amd to print the errno string when system calls
> | > fail; now we can only scratch our heads.
> | >
> | > christos
> | sorry, here is the full message:
> | Couldn't lock process pages in memory using mlockall(): Resource temporarily
> | unavailable
> |
> | or error = EAGAIN (ED :-)
>
> heh!
>
> FreeBSD's vm system is very different from NetBSD's, and I am not familiar
> with it. The first and easiest thing to do is to check if the resource limit
> for locked memory is set too low. Then hunt in the kernel sources for mlockall
> and print the arguments it passes to the vm system. Anyway, the error is not
> fatal, and amd should keep working after that.
>
> christos
im trying to figure out why it core dumped, for the very first time,
(and i don't have the core :-(, and the only thing that was special
on this host, is that we are trying out postgres with allot of memory
requierements, so i thought that maybe it's memory ...
oh well, bug-hunting hat still on :-)
thanks,
danny
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