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Re: Interesting error in GWorkspace


From: Eric Wasylishen
Subject: Re: Interesting error in GWorkspace
Date: Wed, 7 Sep 2011 13:20:30 -0600

Hi Riccardo,

Hm, I can't reproduce this :-(. Could you set breakpoints on "error: 
determinant of matrix is 0!" and "Required arguments not specified creating 
NSBitmapImageRep" and print the backtraces please?

I've seen the "Required arguments not specified creating NSBitmapImageRep" 
error before; I think it comes from -[NSBitmapImageRep 
initWithFocusedViewRect:] . That method needs to check that the given rect is 
valid before trying to create a bitmap.

Thanks,
Eric

On 2011-09-07, at 10:25 AM, Riccardo Mottola wrote:

> Hi,
> 
> I tried to run Gworkspace today on NetBSD/x86 where it worked until little 
> time ago.
> 
> I get interesting errors:
> 
> a couple of:
> 2011-09-07 18:20:59.828 GWorkspace[217] error: determinant of matrix is 0!
> 2011-09-07 18:20:59.830 GWorkspace[217] File NSView.m: 1489. In -[NSView 
> setBoundsSize:] given negative width
> 
> 
> then:
> 2011-09-07 18:21:00.021 GWorkspace[217] Problem posting notification: 
> <NSException: 0xb9048424> NAME:NSInvalidArgumentException REASON:Required 
> arguments not specified creating NSBitmapImageRep INFO:(null)
> 
> 
> and then a flood of:
> 2011-09-07 18:21:00.041 GWorkspace[217] Cairo status 'out of memory' in copy
> 2011-09-07 18:21:00.042 GWorkspace[217] Cairo status 'out of memory' in copy
> 2011-09-07 18:21:00.042 GWorkspace[217] Cairo status 'out of memory' in copy
> 
> finally
> 2011-09-07 18:21:02.199 GWorkspace[217] Unable to obtain lock (null)
> 
> 
> and then no viewer gets displayed, just the the desktop. I have never seen 
> these errors, there were no changes recently in GWorkspace and I have an 
> up-to-date core as of today.
> 
> Anyone gets similar errors? Ideas?
> 
> Riccardo
> 
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