CNFS mmap allocation problem and kernel panic

[Alex Kiernan]

Antoine Delvaux <antoine.delvaux at belnet.be> writes:

> On 2002.10.11 15:07 Alex Kiernan wrote:
> > Antoine Delvaux <antoine.delvaux at belnet.be> writes:
> > 
> > > ----
> > > Unknown entries from news log file:
> > >
> > > First 50 / 2870 lines (1.7%)
> > > Sep 24 19:38:52 aotearoa innfeed[24368]: CNFS-sm: could not mmap token
> > > @0301423130000000000000274D45000002CB@ B10:0x4e9a8a0c:715: Cannot
> > allocate
> > > memory
> > > Sep 24 19:38:52 aotearoa innfeed[24368]: Could not retrieve
> > > @0301423130000000000000274D45000002CB@: mmap failed
> > > ----
> > >
> > 
> > My guess for these has always been running out of virtual address
> > space (or fragmentation of it).
> 
> And how could I try to solve this or make sure it is related to this issue ?
> 
> The kernel has been compiled with high memory support enabled (64G), can 
> this be a source of the problem or should it be a solution to it ?
> 

Does that let you have more than 4G virtual address space per-process,
sorry Linux isn't my strong point.

> Do you see other ways to get around this problem ?  Increasing physical ram 
> ?  Increasing the size of the swap ?
> 

Moving to a bigger virtual address space (assuming this is the problem).

I've tried building a 64 bit INN in the past and don't seem to
remember any problems, but its been a while.

-- 
Alex Kiernan, Principal Engineer, Development, THUS plc