Hi Stefan,
The gerber files load up fine, and are fully viewable in the fast and xor
modes, so it's not the files. I haven't used the viewer in a few months, and
have done at least a couple of port tree updates, and OS updates. Somebody
pointed out that the difference between the fast modes and the
normal/high-quality modes is that the latter use Cairo and the former don't.
I'm guessing that something changed during one of the updates, and I didn't
discover it until later.
Best regards,
Dave
>________________________________
>From: Stefan Petersen <s...@stacken.kth.se>
>To: gerbv-devel@lists.sourceforge.net
>Sent: Monday, September 5, 2011 12:55 AM
>Subject: Re: [Gerbv-devel] Gerbv crashes when rendering in normal or high
>quality modes.
>
>Hello Dave!
>
>the version of Cairo does seem like the version everyone else is using
>so that is not the issue at hand.
>
>I am not a Mac guy, so I am out ideas. I only have the usual
>suggestions, like compile the latest version from git, test your Gerber
>files on some other machine (maybe it is your Gerber files that breaks
>gerbv), etc etc.
>
>My "goto guy" in this case would be Charles Lepple, but I am not sure he
>is the correct guy, but he ported gerbv using fink,
>http://pdb.finkproject.org/pdb/package.php/gerbv
>
>Best regards,
>/Stefan
>
>
>On 09/04/2011 11:55 PM, Dave wrote:
>> I'm using the macports installation of cairo.
>>
>> This is what I get with "port list cairo":
>>
>> cairo @1.10.2 graphics/cairo
>>
>> This is what I get with "port -qv installed cairo"
>>
>> cairo @1.8.8_0+macosx
>> cairo @1.8.8_0+macosx+universal
>> cairo @1.8.10_0+macosx+universal
>> cairo @1.8.10_0+universal platform='darwin 10' archs='i386 x86_64'
>> cairo @1.10.0_1+universal platform='darwin 10' archs='i386 x86_64'
>> cairo @1.10.2_2+universal platform='darwin 10' archs='i386 x86_64'
>> cairo @1.10.2_3+universal+x11 platform='darwin 10' archs='i386 x86_64'
>> cairo @1.10.2_4+universal+x11 (active) platform='darwin 10'
>> archs='i386 x86_64'
>>
>> I believe the last line is the active version.
>>
>> Cairo has so many dependencies, I'd hate to try to install it outside of
>> macports; although perhaps I can just de-install the cairo package and
>> compile a fresh cairo on top of the macport-built dependencies.
>>
>> Any suggestions on how to root out this issue? Is anyone using gerbv on
>> a mac with recent macports/os X updates?
>>
>> Thanks,
>>
>> Dave
>>
>>
>> ------------------------------------------------------------------------
>> *From:* Stefan Petersen <s...@stacken.kth.se>
>> *To:* gerbv-devel@lists.sourceforge.net
>> *Sent:* Sunday, September 4, 2011 2:44 PM
>> *Subject:* Re: [Gerbv-devel] Gerbv crashes when rendering in normal
>> or high quality modes.
>>
>> Hello Dave!
>>
>> If you haven't recompiled gerbv or anything like that, it sounds like
>> there might be an bug in the Cairo libraries on OS X or XQuartz.
>>
>> The trace you sent along doesn't say me anything really, maybe someone
>> else? But if it works in the low quality modes and not hi quality mode I
>> would look at Cairo. That is basically the only difference between these
>> two modes.
>>
>> It would be interesting to know which version of Cairo you are running.
>>
>> Best regards,
>> /Stefan
>>
>> On 09/04/2011 09:26 PM, Dave wrote:
>> > Hello,
>> >
>> > I've been using Gerbv on Mac OS X snow leopard, without any
>> problems for
>> > a while now. I haven't generated any gerbers in a few months, but
>> > recently found that gerbv 2.4 and 2.5 crash under Snow Leopard (and
>> > Lion) using both the native X11.app, and the latest XQuartz servers.
>> > Gerbv works fine with the fast and XOR rendering modes, but
>> crashes when
>> > attempting the normal and high-quality modes. I get this in the crash
>> > report:
>> >
>> > Thread 2 Crashed:
>> > 0 X11.bin 0x000000010001bc1b
>> > RootlessComposite + 129
>> > 1 X11.bin 0x00000001000bab39
>> > ProcRenderComposite + 374
>> > 2 X11.bin 0x000000010005b781 Dispatch + 751
>> > 3 X11.bin 0x0000000100069cac dix_main + 1309
>> > 4 X11.bin 0x000000010001149e
>> server_thread + 50
>> > 5 libSystem.B.dylib 0x00007fff849fefd6 _pthread_start
>> > + 331
>> > 6 libSystem.B.dylib 0x00007fff849fee89
>> thread_start + 13
>> >
>> >
>> > I can't say if the problem is in a bad Gerbv call, or whether
>> something
>> > in the OSX or Xquartz distribution has changed; I can say that
>> gerbv 2.4
>> > used to work with Snow leopard, but with all the snow leopard updates,
>> > it is likely that some libraries have changed in addition to the
>> > server. Does anyone have some ideas what could be happening here?
>> >
>> > I did find a patch for 2.5.0 with XQuartz posted back in May 2011,
>> which
>> > I did apply, which appears to address a different issue, and did
>> not fix
>> > the crash.
>> >
>> > I'd be grateful for any insight, as Gerbv is really the most useful in
>> > these higher-res modes, and it's my go-to tool for examining Gerbers.
>> > (I do have the Altium gerber tool, but I believe it's best to use an
>> > independedn 3rd party tool for gerber examination.)
>> >
>> > Thanks for all the work producing this outstanding tool!
>> >
>> > Best regards,
>> >
>> > Dave
>> >
>> >
>> >
>> >
>>
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