Problems with rpc.statd and PAE
Don Lewis
truckman at FreeBSD.org
Thu Aug 2 21:32:21 UTC 2007
On 31 Jul, João Carlos Mendes Luís wrote:
> Hi,
>
> Sent this to -questions, but got no answer. Now I'll try -hackers...
>
> I've just configured my first server with 4G RAM. To use it, I had
> to select PAE in kernel config. I was a little bit troubled by it's
> advice not to use modules (is it that critical?), but got it running.
>
> But when it is running on PAE, NFS statd refuses to run:
>
> # /etc/rc.d/nfslocking start
> Starting statd.
> rpc.statd: unable to mmap() status file: Cannot allocate memory
> Segmentation fault
> #
>
> Using strace I found it was trying to mmap the status file, at
> /var/db/statd.status:
>
> open("/var/db/statd.status", O_RDWR) = 10
> mmap(0, 268435456, PROT_READ|PROT_WRITE, MAP_SHARED, 10, 0) = -1 ENOMEM
> (Cannot allocate memory)
>
> It's really strange to have mmap len = 256M, specially because the
> file is always small. But it works without PAE, and do not work with
> PAE. And it is described in the handbook:
>
> http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/book.html#STATD-MEM-LEAK
I've been seeing this same problem for a long time on an 7.0-CURRENT
i386 machine with 1GB of RAM, and I'm not using PAE. I haven't
discovered any obvious cause for the problem.
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