Pardon the me too,
but I had spooky intermittent crash problems with my G5 tower for
months before it occurred to me to run the Apple Hardware diag. One
of the two 512Mb Centon chips came up bad. Centon replaced them (what
a difference a 1G makes in performance - 2 weeks at 256 Mb was
painful) and all was well again.
Scott
On Jan 27, 2007, at 3:09 AM, Andy Dent wrote:
On 27/01/2007, at 4:25 AM, [EMAIL PROTECTED] wrote:
I have started using RB2007 (mac) and its extremely unstable. Its
crashing
all the time, and I have no clue what line of code makes it crash,
and indeed it
erratically crashing on parts of the code I have not altered then
later it
works on the same code.
RB2007 exercises your memory and virtual memory more than most
programs.
It is possible therefore that RB is hitting memory errors that your
normal use of that machine doesn't - I suggest you check your
memory, with the Apple Hardware Test (from install DVD) or
something third-party like TechTool Pro.
Check in /var/vm as to the number of swapfiles being created. If
you have very little free space then maybe the OS is having trouble
creating them as RB requires.
Note that if you look at VM in a tool like the Activity Monitor
(applications/utilities) then you will see a very large figure for
VM, eg: nearly 8GB on my machine at present. For a lot of programs,
the bulk of their VM size is code mapping and so doesn't require an
allocation on disk - it maps read-only segments directly from the
code on disk. However, when RB runs up to huge VM allocations that
seems to be writable memory - running RB is the only time I have
ended up with 5 swapfiles allocated - a total of 1.25GB actual swap
space in addition to the 1.25GB in RAM.
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