On 12/14/2011 06:02 AM, Craig White wrote:
On Tue, 2011-12-13 at 18:45 -0700, CS DBA wrote:
Hi All;
I just installed Fedora 16, I was running fedora 14.
I installed Postgresql from source and set SHMMAX to 2198066816
I set postgres to use 2GB for shared_buffers and I get this when I try
to start:
FATAL: shmat(id=4096103) failed: Cannot allocate memory
The only real difference from Fedora 14 is that on Fedora 16 I'm using
the PAE kernel
Thoughts?
----
with i686 and even with 8GB RAM and PAE kernel, you can't allocate a
full 4 GB to anything - probably not even 3.5 GB.
With Fedora 14 (32bit - NOT PAE) I could allocate 2GB,
with Fedora 16 (32bit PAE) I could allocate 1GB but not 2GB
BIOS, video hooks have to get memory and thus is not available to the
running kernel.
Suggest you allocate no more than 3GB of RAM or better yet, back your
documents/configuration up and install 64 bit (86_64) and not have these
issues.
I did just that, had to go back to Fedora 15 because the
thunderbird-lightning package is not yet available for 16 and I use it
all the time. Everything works as expected now...
Craig
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