kicad-developers team mailing list archive

[Johannes Maibaum <jmaibaum@xxxxxxxxx>]

Hi,

sounds all reasonable and clear, Garth. Thank you for the explanation!

Personally, I have no problem in building my own version from the sources, but I think there
are still quite a bunch of Core2s in Apple machines out there, so perhaps the nightlies
should go for a more backwards compatibility than i5 and siblings.

Looking here,

https://github.com/Homebrew/homebrew/blob/master/Library/Homebrew/os/mac/hardware.rb

it seems that Homebrew indeed makes different choices for -march depending on the CPU type
found. So, I think the "best arch for compatibility" then would probably be the oldest intel
CPU found there, which seems to be Core Duo.

Another solution would of course be to simply state in the README that the nightlies won't
work on machines lower than i5. As I said, I have no problem in building Kicad myself. I just
wanted to report my experience with the nightlies, which are nonetheless a great improvement
for new, unexperienced Mac OSX users.

So again, thank you all for your great work and help!


Best,
Johannes

> Am 23.02.2015 um 17:22 schrieb Adam Wolf <adamwolf@xxxxxxxxxxxxxxxxxxxx>:
> 
> What's the best arch I should pass for compatibility reasons--I can do this across the board for the brew dependencies.
> 
> Adam Wolf
> 
> On Mon, Feb 23, 2015 at 10:04 AM, Garth Corral <gcorral@xxxxxxxxx> wrote:
> The issue here isn’t with pixman, per se, it is down to the fact that it is being configured and built on one machine with support for some newer vector instructions, and run on another who’s cpu does not support those instructions.  So long as it’s built and run on the same machine you would not see this.
> 
> In this case there appears at the crash location in _pixman_setup_combiner_functions_32 of libpixman.dylib:
> 
> 000000000001092a    vmovq   %r8, %xmm0
> 000000000001092f    vpunpcklqdq %xmm0, %xmm0, %xmm0 ## xmm0 = xmm0[0,0]
> 
> These are AVX (&AVX2) instructions, which aren't supported in your Core 2 CPU.
> 
> I don’t use brew so I can’t say for sure, but I’m guessing that it's passing -march=native (or more specific) to the compiler, which because the Core i5 of the build machine supports AVX, is including those instructions.
> 
> 
> Garth
> 
> > On Feb 23, 2015, at 5:21 AM, Johannes Maibaum <jmaibaum@xxxxxxxxx> wrote:
> >
> > Hi,
> >
> > my own build of r5447 just finished and pcbnew does *not* crash.
> > I decided to change my build flags to match Adam's more closely, e.g. building without
> > Scripting, here is what the version information *from my own build* gives now:
> >
> > Application: kicad
> > Version: (2015-02-22 BZR 5447)-product Release build
> > wxWidgets: Version 3.0.2 (debug,UTF-8,compiler with C++ ABI 1002,GCC 4.2.1,STL containers,compatible with 2.8)
> > Platform: Mac OS X (Darwin 14.1.0 x86_64), 64 bit, Little endian, wxMac
> > Boost version: 1.57.0
> >         USE_WX_GRAPHICS_CONTEXT=OFF
> >         USE_WX_OVERLAY=ON
> >         KICAD_SCRIPTING=OFF
> >         KICAD_SCRIPTING_MODULES=OFF
> >         KICAD_SCRIPTING_WXPYTHON=OFF
> >         USE_FP_LIB_TABLE=HARD_CODED_ON
> >         BUILD_GITHUB_PLUGIN=ON
> >         KICAD_USE_WEBKIT=OFF
> >
> > So, the only differences between my setup and the nightly should be, for now:
> >
> > - Boost being 1.57.0 here instead of 1.54.0
> > - cairo built --without-x11 instead of with X11 support.
> >
> > I think that pixmap should be technically the same on my machine and on Adam's build server,
> > as they both got installed precompiled from Homebrew.
> >
> > But, what came to my mind just now: I built with CMAKE_OSX_DEPLOYMENT_TARGET set to 10.9
> > (wxWidgets being built with the 10.9 option from the osx_build_wx script as well), so
> > it should be linked to the newer C++ libraries from Apple, right? Could this be another
> > hint? I expect Adam to build for a lower OSX Version, like 10.7 or so, right?
> >
> >
> > Best,
> >
> > Johannes
> >
> >> Am 23.02.2015 um 13:54 schrieb Bernhard Stegmaier <stegmaier@xxxxxxxxxxxxx>:
> >>
> >> Hi,
> >>
> >> I don't know if it helps... I am building pixman with MacPorts, and I used to have it compiled with X11, but I recently switched to use the --without-x11.
> >> For me both work, I don't see what the difference is (apart from less X11-libraries needed in the bundle when compiling with --without-x11).
> >>
> >> SSE-wise Core2Duo and i5 should be the same.
> >> But maybe pixman builds with some specific i5 -march/-mcpu settings that don't work on Core2Duo?
> >> But, obviously Adam pulled in a prebuilt binary for this nightly that also doesn't work for you.
> >> As far as I know homebrew bottled packages should have generic CFLAGS, so this should have worked then (if the binary really was bottled with generic CFLAGS).
> >>
> >>
> >> Regards,
> >> Bernhard
> >>
> >> On 2015-02-23 12:40, Johannes Maibaum wrote:
> >>> Hello Adam, Garth, and Bernhard,
> >>> first, the build of last night (r5447) still crashes on my system with
> >>> the same report pointing towards libpixman.
> >>> My system is an older Mac Book Pro (middle 2010) with the following base specs:
> >>> Modellname:               MacBook Pro
> >>> Modell-Identifizierung:   MacBookPro7,1
> >>> Prozessortyp:             Intel Core 2 Duo
> >>> Prozessorgeschwindigkeit: 2,4 GHz
> >>> Anzahl der Prozessoren:   1
> >>> Gesamtanzahl der Kerne:   2
> >>> L2-Cache:             3 MB
> >>> With libpixman obviously being the source of trouble, I looked for
> >>> differences between my own working build system and Adam's nightlies:
> >>> On my machine, pixman comes as a dependency for cairo, which I also
> >>> installed via Homebrew, but built with the option --without-x11.
> >>> pixman itself was installed "bottled", e.g. as a precompiled binary.
> >>> Seeing that I am obviously the only one having troubles like this with
> >>> the nightlies, I will build the current Kicad source tree myself again
> >>> this afternoon, and see if pcbnew will then crash again or not.
> >>> Best,
> >>> Johannes
> >>>> Am 23.02.2015 um 01:41 schrieb Adam Wolf <adamwolf@xxxxxxxxxxxxxxxxxxxx>:
> >>>> So when I reinstalled it, it installed a binary version without downloading, which means that's very likely what was installed on there before. I forced it to reinstall from source--but that is probably going to be different than the binary version.
> >>>> I will send the build log for pixman over when it is finished, but we will need the affected users to test out tonight's nightlies to make sure they're still affected.
> >>>> Adam Wolf
> >>>> On Sun, Feb 22, 2015 at 6:36 PM, Garth Corral <gcorral@xxxxxxxxx> wrote:
> >>>> Yeah, not shipped with OS X.  It would be something that was built.  Presuming that the new build configured exactly like the old build it would be interesting to see.
> >>>> Garth
> >>>>> On Feb 22, 2015, at 3:48 PM, Adam Wolf <adamwolf@xxxxxxxxxxxxxxxxxxxx> wrote:
> >>>>> Interesting.  Is this something that comes with OS X?  If not, I installed it with brew.  I can uninstall it and reinstall it, and capture that log.
> >>>>> Let me know.
> >>>>> Adam Wolf
> >>>>> On Feb 22, 2015 5:47 PM, "Garth Corral" <gcorral@xxxxxxxxx> wrote:
> >>>>> More interesting would be the build log for pixman which, according to the attached log, is coming from /usr/local/lib.
> >>>>> Garth
> >>>>>> On Feb 22, 2015, at 3:31 PM, Adam Wolf <adamwolf@xxxxxxxxxxxxxxxxxxxx> wrote:
> >>>>>> The builds are being done on a Mac Mini.
> >>>>>>     Model Name: Mac mini
> >>>>>>     Model Identifier: Macmini6,1
> >>>>>>     Processor Name: Intel Core i5
> >>>>>>     Processor Speed: 2.5 GHz
> >>>>>>     Number of Processors: 1
> >>>>>>     Total Number of Cores: 2
> >>>>>>     L2 Cache (per Core): 256 KB
> >>>>>>     L3 Cache: 3 MB
> >>>>>>     Memory: 16 GB
> >>>>>> The official Mac name for it is "Mac Mini (late 2012)".
> >>>>>> Attached is the full build log from Jenkins.  Note, I cleanly rebuild *everything* every time, including wx and boost and everything, so the log is quite long.
> >>>>>> Adam Wolf
> >>>>>> Cofounder and Engineer
> >>>>>> W&L
> >>>>>> On Sun, Feb 22, 2015 at 4:13 PM, Bernhard Stegmaier <stegmaier@xxxxxxxxxxxxx> wrote:
> >>>>>> Sounds reasonable… from a quick look into the source pixman seems to check for MMX/SSE2/SSE3 and some non-x86 things during configure.
> >>>>>> Maybe the same problem here:
> >>>>>> https://bugs.launchpad.net/kicad/+bug/1424406
> >>>>>> @Adam:
> >>>>>> What is your build machine/cluster?
> >>>>>> Regards,
> >>>>>> Bernhard
> >>>>>>> On 22 Feb 2015, at 21:12, Garth Corral <gcorral@xxxxxxxxx> wrote:
> >>>>>>> I can only speculate, but by the looks of that stack, I’m going to guess that somewhere in the pixman rendering code there is conditionally compiled instruction extensions, such as SSE*, that your cpu does not support.  The nightly builds probably compile this in based on some configuration test, and your builds do not.
> >>>>>>> What is the cpu type and age of your system?
> >>>>>>> Garth
> >>>>>>>> On Feb 22, 2015, at 11:14 AM, Bernhard Stegmaier <stegmaier@xxxxxxxxxxxxx> wrote:
> >>>>>>>> Hi,
> >>>>>>>> OK, didn’t get that.
> >>>>>>>> From my side there is really not much more to help.
> >>>>>>>> The only thing that I could imagine is if Wayne could do a Debug-Build for you and then you could check if you still get that crash and if there is some other information we could get from that.
> >>>>>>>> The bundle is self contained, so apart from the system libraries (which should be the same on each 10.10.2) there is in theory nothing on your machine that should break it.
> >>>>>>>> What machine is it?
> >>>>>>>> Something special about it that could cause pixman to crash on start?
> >>>>>>>> Did you have any special pixman version/configuration with your build?
> >>>>>>>> Regards,
> >>>>>>>> Bernhard
> >>>>>>>>> On 22.02.2015, at 20:06, Johannes Maibaum <jmaibaum@xxxxxxxxx> wrote:
> >>>>>>>>> Hi Bernard,
> >>>>>>>>> sorry, I wasn't clear enough, I think. The version information I provided with my last email was *not* from the nightlies. It was from a working built on my machine, e.g. a build that does *not* crash.
> >>>>>>>>> I thought to provide this information a starting point for further analysis of the crash with the nightly which is of course built with Boost 1.54, and from r5441.
> >>>>>>>>> Best,
> >>>>>>>>> Johannes
> >>>>>>>>>> Am 22.02.2015 um 19:22 schrieb Bernhard Stegmaier <stegmaier@xxxxxxxxxxxxx>:
> >>>>>>>>>> … I also was too fast with my response, adding list again…
> >>>>>>>>>>> On 22.02.2015, at 19:21, Bernhard Stegmaier <stegmaier@xxxxxxxxxxxxx> wrote:
> >>>>>>>>>>> Hi Johannes,
> >>>>>>>>>>> it is lib-pixmap what seems to be crashing, but that is weird.
> >>>>>>>>>>> I found some similar reports of crashes with Mozilla/Firefox/etc., but none of them with a root-cause or more information.
> >>>>>>>>>>> However, something *is* wrong:
> >>>>>>>>>>>> Boost version: 1.57.0
> >>>>>>>>>>> Adam’s build doesn’t use 1.57, but 1.54 currently being built with KiCad…
> >>>>>>>>>>> And also the build version is not what Adam built:
> >>>>>>>>>>>> Version: (2015-02-06 BZR 5410)-product Release build
> >>>>>>>>>>> So, whatever you are running, it doesn’t seem to be the downloaded nightly?
> >>>>>>>>>>> Regards,
> >>>>>>>>>>> Bernhard
> >>>>>>>>>>>> On 22.02.2015, at 19:20, Johannes Maibaum <jmaibaum@xxxxxxxxx> wrote:
> >>>>>>>>>>>> Hi Bernhard,
> >>>>>>>>>>>> the crash happens both when starting pcbnew standalone, and when starting pcbnew or the footprint editor from the main Kicad app. Unfortunately, I don't have another Mac to cross check. On my 10.10.2 machine, it crashes every time.
> >>>>>>>>>>>> I did however check my latest own build again, which has no problems with either pcbnew or the footprint editor. It was built two weeks ago, from r5410, and with python scripting enabled. I don't know if this does help you, but here is the version information string for this working build:
> >>>>>>>>>>>> Application: kicad
> >>>>>>>>>>>> Version: (2015-02-06 BZR 5410)-product Release build
> >>>>>>>>>>>> wxWidgets: Version 3.0.2 (debug,UTF-8,compiler with C++ ABI 1002,GCC 4.2.1,STL containers,compatible with 2.8)
> >>>>>>>>>>>> Platform: Mac OS X (Darwin 14.1.0 x86_64), 64 bit, Little endian, wxMac
> >>>>>>>>>>>> Boost version: 1.57.0
> >>>>>>>>>>>>  USE_WX_GRAPHICS_CONTEXT=OFF
> >>>>>>>>>>>>  USE_WX_OVERLAY=ON
> >>>>>>>>>>>>  KICAD_SCRIPTING=ON
> >>>>>>>>>>>>  KICAD_SCRIPTING_MODULES=ON
> >>>>>>>>>>>>  KICAD_SCRIPTING_WXPYTHON=ON
> >>>>>>>>>>>>  USE_FP_LIB_TABLE=HARD_CODED_ON
> >>>>>>>>>>>>  BUILD_GITHUB_PLUGIN=ON
> >>>>>>>>>>>>  KICAD_USE_WEBKIT=OFF
> >>>>>>>>>>>> Best,
> >>>>>>>>>>>> Johannes
> >>>>>>>>>>>>> Am 22.02.2015 um 18:12 schrieb Bernhard Stegmaier <stegmaier@xxxxxxxxxxxxx>:
> >>>>>>>>>>>>> Hi,
> >>>>>>>>>>>>> does it crash only for standalone pcbnew, or also for that being launched via KiCad launcher, or both?
> >>>>>>>>>>>>> I justed checked on both my 10.10.1 and 10.10.2 machines and don’t have any problems.
> >>>>>>>>>>>>> The only thing I just noticed is that pcbnew can’t load a file via KiCad launcher if started from a path with a space in it (e.g., /Volumes/My Disk/KiCad…) … but yours seems to be completely another story.
> >>>>>>>>>>>>> Regards
> >>>>>>>>>>>>> Bernhard
> >>>>>>>>>>>>>> On 22 Feb 2015, at 14:05, Johannes Maibaum <jmaibaum@xxxxxxxxx> wrote:
> >>>>>>>>>>>>>> Hi Adam,
> >>>>>>>>>>>>>> first, I'd like to thank you, Wayne and Layne, and of course all the other OSX devs for finally bringing "official" OSX builds back to the Kicad main page, great work! This is an amazing improvement for all OSX folks.
> >>>>>>>>>>>>>> But, testing the latest of the nightly builds, PCBNew and the Footprint editor both crash on startup on my machine (crash log for PCBNew is attached). All other apps work fine.
> >>>>>>>>>>>>>> Before installing the nightly, I uninstalled my own build of Kicad, and I am pretty sure to having wiped every Kicad file relating to my build (including all the library folders). But perhaps I have missed something.
> >>>>>>>>>>>>>> I can provide you with more information if you tell me what to do.
> >>>>>>>>>>>>>> Cheers,
> >>>>>>>>>>>>>> Johannes
> >>>>>>>>>>>>>> <PCBNew-crashlog-OSX-nightly-Feb-22.txt>
> >>>>>>>>>>>>>>> Am 21.02.2015 um 18:29 schrieb Adam Wolf <adamwolf@xxxxxxxxxxxxxxxxxxxx>:
> >>>>>>>>>>>>>>> Hi folks,
> >>>>>>>>>>>>>>> You can find the latest OS X nightlies at http://downloads.kicad-pcb.org/osx/, and Nick linked it from http://downloads.kicad-pcb.org/osx/.
> >>>>>>>>>>>>>>> There's plenty of work still left to do for me on Kicad, but I am excited to cross this one off the list.
> >>>>>>>>>>>>>>> I'll be idling on the IRC channel more actively to help support users with this.
> >>>>>>>>>>>>>>> I'll be announcing on the Kicad user list shortly.
> >>>>>>>>>>>>>>> Thanks everyone!  Even though this was a lot of work from us at Wayne and Layne, what we did was only a drop in the bucket compared to what has already been done by the dev team and the OS X devs!
> >>>>>>>>>>>>>>> Adam Wolf
> >>>>>>>>>>>>>>> Cofounder and Engineer
> >>>>>>>>>>>>>>> W&L
> >>>>>>>>>>>>>>> _______________________________________________
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