John Toon wrote:
> Hi,
>
> I've scoured through the net and the mailing archives, but was unable to
> find any satisfactory information on a certain problem I'm suffering at
> the moment.
>
> After getting the dreaded "shmget() failed" error message, I have since
> tried several recompiles of the kernel to fix the problem.
>
The same with me.
>
> I added
>
> options SHMMAXPGS=16385
> options SHMMAX=(SHMMAXPGS*PAGE_SIZE+1)
>
> to my new kernel and recompiled.
>
I tried this without success.
>
> However, under XFree86 4.0, I still seem to be getting shared memory
> issues.
>
I'm using XFree86 3.3.6 with the server of 3.3.5. The problem is not in
XFree, but in imlib.
>
> Compupic refuses to start under GNOME issuing
>
> X Error of failed request: BadAccess (attempt to access private
> resource denied)
> Major opcode of failed request: 146 (MIT-SHM)
> Minor opcode of failed request: 1 (X_ShmAttach)
> Serial number of failed request: 2961
> Current serial number in output stream: 2962
>
> Yet works under VTWM - until I load up a few applications, when it
> terminates again, with the same problem. More annoyingly, FXTV also dies
> with the same problem.
>
> Next, I tried another kernel, this time with the following options:
>
> options SEMMNI=100
> options SEMMNS=300
> options SEMUME=100
> options SEMMNU=150
> options SHMMAXPGS=16385
>
> I omitted the SHMMAX option, as I have read that this option is now
> deprecated. Unfortunately, this kernel was not better.
>
For me, playing with SHM options made things worse than it was in the
default SHM kernel configuration.
>
> I'm currently running FreeBSD 4.0-RELEASE.
>
> Several questions;
>
> 1. If I upgrade to 4.1-STABLE (which I will be soon), will the shared
> memory issue disappear?
I doubt so. I'm running 5.0-CURRENT, and still have the problem.
--
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