[Vm-dev] Re: [Pharo-project] Too many semaphores, image blocked
eliot.miranda at gmail.com
Fri Oct 7 21:43:16 UTC 2011
On Fri, Oct 7, 2011 at 2:31 PM, Schwab,Wilhelm K <bschwab at anest.ufl.edu>wrote:
> Is there a way to save the image given that it is non-responsive?
> Otherwise (and this could be "how it is") one would have to apply the fix
> before having the problem. Just curious. Should we all periodically take a
> semaphore head count in our images?
> I try to leave a reasonable trail of backups of working images just in case
> I do something stupid; a little uncertainty can motivate cautious
Hmm... I think what's needed is a command-line parameter. Give me a few...
> From: pharo-project-bounces at lists.gforge.inria.fr [
> pharo-project-bounces at lists.gforge.inria.fr] On Behalf Of Eliot Miranda [
> eliot.miranda at gmail.com]
> Sent: Friday, October 07, 2011 4:22 PM
> To: Pharo-project at lists.gforge.inria.fr
> Subject: Re: [Pharo-project] Too many semaphores, image blocked
> Hi Janko,
> you need to /save/ the image having applied Smalltalk vm
> maxExternalSemaphoresSilently: 3000. This must be set in the image at
> start-up, not after the image has loaded. i.e. the VM inspects the value
> saved in the image header and applies the value *before* the image starts
> 2011/10/7 Janko Mivšek <janko.mivsek at eranova.si<mailto:
> janko.mivsek at eranova.si>>
> Hi Henrik,
> S, Henrik Sperre Johansen piše:
> > On 05.10.2011 01:18, Schwab,Wilhelm K wrote:
> >> The log you posted contains the string "Not enough space for external
> >> objects, set a larger size at startup!" Maybe a command-line switch
> >> to the vm will give you more memory and a way to get the image going?
> > Smalltalk vm maxExternalSemaphoresSilently: aSize would be the line to
> > include.
> > If the script passed on a command line is higher in the startuplist than
> > the InputEventSensor, it would get it working again.
> Ok, I'm back having time to look at this problem and I made a start.st<
> script below, start the image with it, but get the same blank screen as
> you can see in attached screenshot. Ctrl or Alt . doesn't help.
> Smalltalk vm maxExternalSemaphoresSilently: 3000
> ./Contents/Linux/squeak ./Contents/Resources/waste.image start.st<
> Any more idea? Otherwise I'll start to recover from changes, but
> starting this nonresponsive image would of course be faster solution:)
> Best regards
> Janko Mivšek
> Smalltalk Web Application Server
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