Hi Zhigang, Luxmark crashes with following backtrace: Program received signal SIGSEGV, Segmentation fault. 0x00000000004cd8b0 in slg::PathOCLRenderEngine::StopLockLess() () (gdb) bt #0 0x00000000004cd8b0 in slg::PathOCLRenderEngine::StopLockLess() () #1 0x0000000000482236 in slg::RenderEngine::Stop() () #2 0x000000000047be9b in slg::RenderSession::~RenderSession() () #3 0x0000000000468a77 in LuxMarkApp::Stop() () #4 0x0000000000468b46 in LuxMarkApp::InitRendering(LuxMarkAppMode, char const*) () #5 0x000000000046edbe in MainWindow::event(QEvent*) () #6 0x00007ffff7099b9c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4 #7 0x00007ffff70a05e8 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4 #8 0x00007ffff6b6af7d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4 #9 0x00007ffff6b6e341 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4 #10 0x00007ffff6b99e63 in ?? () from /usr/lib/libQtCore.so.4 #11 0x00007ffff4d05a1d in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #12 0x00007ffff4d05d08 in ?? () from /usr/lib/libglib-2.0.so.0 #13 0x00007ffff4d05dbc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #14 0x00007ffff6b99fad in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4 #15 0x00007ffff713d9c6 in ?? () from /usr/lib/libQtGui.so.4 #16 0x00007ffff6b69ad1 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4 #17 0x00007ffff6b69e35 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4 #18 0x00007ffff6b6f3c7 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4 #19 0x000000000045afc8 in main () And convert from imagemagick crashes in libgbe.so: Program received signal SIGSEGV, Segmentation fault. 0x00007fffeb0df18c in gbe::buildRegInfo(gbe::ir::BasicBlock&, gbe::vector<gbe::RegInfoForMov>&) () from /usr/lib/beignet//libgbe.so (gdb) bt #0 0x00007fffeb0df18c in gbe::buildRegInfo(gbe::ir::BasicBlock&, gbe::vector<gbe::RegInfoForMov>&) () from /usr/lib/beignet//libgbe.so #1 0x00007fffeb0e048d in gbe::GenWriter::removeLOADIs(gbe::ir::Liveness const&, gbe::ir::Function&) () from /usr/lib/beignet//libgbe.so #2 0x00007fffeb0fb823 in gbe::GenWriter::emitFunction(llvm::Function&) () from /usr/lib/beignet//libgbe.so #3 0x00007fffeb100b63 in gbe::GenWriter::runOnFunction(llvm::Function&) () from /usr/lib/beignet//libgbe.so #4 0x00007fffec0129e1 in llvm::FPPassManager::runOnFunction(llvm::Function&) () from /usr/lib/beignet//libgbe.so #5 0x00007fffebe11083 in (anonymous namespace)::CGPassManager::runOnModule(llvm::Module&) () from /usr/lib/beignet//libgbe.so #6 0x00007fffec015538 in llvm::legacy::PassManagerImpl::run(llvm::Module&) () from /usr/lib/beignet//libgbe.so #7 0x00007fffeb11fe0e in gbe::llvmToGen(gbe::ir::Unit&, char const*, void const*, int, bool) () from /usr/lib/beignet//libgbe.so #8 0x00007fffeb0c4fc1 in gbe::Program::buildFromLLVMFile(char const*, void const*, std::string&, int) () from /usr/lib/beignet//libgbe.so #9 0x00007fffeb17d0ba in gbe::genProgramNewFromLLVM(unsigned int, char const*, void const*, void const*, unsigned long, char*, unsigned long*, int) () from /usr/lib/beignet//libgbe.so #10 0x00007fffeb0c8e09 in gbe::programNewFromSource(unsigned int, char const*, unsigned long, char const*, char*, unsigned long*) () from /usr/lib/beignet//libgbe.so #11 0x00007fffef0eac96 in cl_program_build () from /usr/lib/beignet/libcl.so #12 0x00007fffef0e39de in clBuildProgram () from /usr/lib/beignet/libcl.so #13 0x00007fffef32c4cb in clBuildProgram () from /usr/lib/libOpenCL.so #14 0x00007ffff7a461ec in ?? () from /usr/lib/libMagickCore-6.Q16HDRI.so.2 #15 0x00007ffff7a4689f in InitOpenCLEnvInternal () from /usr/lib/libMagickCore-6.Q16HDRI.so.2 #16 0x00007ffff7a46b83 in ?? () from /usr/lib/libMagickCore-6.Q16HDRI.so.2 #17 0x00007ffff7a4797a in ?? () from /usr/lib/libMagickCore-6.Q16HDRI.so.2 #18 0x00007ffff7a4808c in InitOpenCLEnv () from /usr/lib/libMagickCore-6.Q16HDRI.so.2 #19 0x00007ffff7941558 in ?? () from /usr/lib/libMagickCore-6.Q16HDRI.so.2 #20 0x00007ffff7948d3e in AccelerateResizeImage () from /usr/lib/libMagickCore-6.Q16HDRI.so.2 #21 0x00007ffff7a95da0 in ResizeImage () from /usr/lib/libMagickCore-6.Q16HDRI.so.2 #22 0x00007ffff768d310 in MogrifyImage () from /usr/lib/libMagickWand-6.Q16HDRI.so.2 #23 0x00007ffff7691bc9 in MogrifyImages () from /usr/lib/libMagickWand-6.Q16HDRI.so.2 #24 0x00007ffff761d03b in ConvertImageCommand () from /usr/lib/libMagickWand-6.Q16HDRI.so.2 #25 0x00007ffff7686ff7 in MagickCommandGenesis () from /usr/lib/libMagickWand-6.Q16HDRI.so.2 #26 0x00000000004008a7 in ?? () #27 0x00007ffff703a040 in __libc_start_main () from /usr/lib/libc.so.6 #28 0x00000000004008fb in ?? () Reproducibility is 100% Regards Vasily On Fri, Oct 24, 2014 at 10:05 AM, Zhigang Gong <zhigang.gong@xxxxxxxxxxxxxxx> wrote: > I just checked again, and found both 3.17 and 3.17.1 should work > fine on IVB with beignet. I just tested beignet on IVB with kernel > 3.17.1, all unit tests passed successfully. For IVB user, no need > to wait for 3.18. > > Don't know which application you were testing on your IVB machine. > If it could be reproduced easily, please open a bug on fd.o. > > Thanks, > Zhigang Gong. > > On Fri, Oct 24, 2014 at 10:27:23AM +0800, Zhigang Gong wrote: >> Hi, >> >> For IVB, I just checked the 3.18-rc1, it has the following patch: >> commit c9224faa59c3071ecfa2d4b24592f4eb61e57069 >> Author: Brad Volkin <bradley.d.volkin@xxxxxxxxx> >> Date: Tue Jun 17 14:10:34 2014 -0700 >> >> drm/i915: Add some L3 registers to the parser whitelist >> >> Beignet needs these in order to program the L3 cache config for >> OpenCL workloads, particularly when using SLM. >> >> Signed-off-by: Brad Volkin <bradley.d.volkin@xxxxxxxxx> >> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx> >> >> So, beignet should work fine with 3.18 on IVB/BYT. >> >> But for the HSW,I'm not quite sure when we could get a workable vanilla >> kernel. Something I found at the intel-gfx mail list as below and it doesn't >> sound good. >> >> http://lists.freedesktop.org/archives/intel-gfx/2014-May/044694.html >> http://lists.freedesktop.org/archives/intel-gfx/2014-May/045088.html >> >> CC to intel-gfx mail list. Hope we can get an official anwser here. >> >> Thanks, >> Zhigang Gong. >> >> On Thu, Oct 23, 2014 at 03:39:35PM +0300, Vasily Khoruzhick wrote: >> > Hi, >> > >> > As you maybe know, any application which uses beignet OpenCL >> > implementation crashes on Ivy Bridge hardware when using vanilla >> > 3.17.1 kernel. >> > I guess it's due to batchbuffer security and patch to disable >> > batchbuffer security is required, but guys, it fails since 3.16, and >> > 3.17 was released quite a while ago. >> > >> > Could you cooperate with i915 driver devs to make Beignet working on >> > vanilla kernel without extra patches? >> > >> > Thanks! >> > >> > Regards, >> > Vasily >> > _______________________________________________ >> > Beignet mailing list >> > Beignet@xxxxxxxxxxxxxxxxxxxxx >> > http://lists.freedesktop.org/mailman/listinfo/beignet >> _______________________________________________ >> Intel-gfx mailing list >> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx >> http://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx