[squeak-dev] Source lookup in .changes file fails in headless mode on Linux

David T. Lewis lewis at mail.msen.com
Sun Oct 8 18:54:16 UTC 2017

On Sun, Oct 08, 2017 at 06:20:31PM +0200, Max Leske wrote:
> Hi,
> We have a problem with the Seaside tests in Squeak 5.1. The underlying
> issue is that source code lookup fails in headless mode on Linux (not
> reproducible on macOS). To reproduce evaluate in headless mode:
> Object compile: 'foobar ^ [ 1+ 2] value "blah"'. (Object>>#foobar)
> getSourceFromFileAt: (Object>>#foobar) trailer sourcePointer.
> This will signal an error (RemoteString past end of file). (Note: I checked
> the alternative conditions in CompiledMethod>>#getSource: the method
> trailer has no temp names, no #source property but has a source pointer).
> I would appreciated it if someone would look into this.
> Cheers,
> Max
> Environment:
> Ubuntu 14.04 and 17.04
> 32-bit

I tried putting your example code into a start script (a file that is evaluated
at image startup), and I get the same error. This is on an image with display open
(not headless), so it may not be related to headlessness.

I am not sure what the issue is here, but it will probably be easier to debug
with the display open :-)


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