❦ 7 décembre 2015 17:55 -0500, Gedalya <geda...@gedalya.net> : > I get the following messages: > > [19549:19577:1207/174928:ERROR:nss_util.cc(839)] After loading Root > Certs, loaded==false: NSS error code: -8018 > [19596:19596:1207/174928:FATAL:sandbox_seccomp_bpf_linux.cc(203)] > Check failed: policy->PreSandboxHook(). > > (The latter one apparently relevant to this bug) followed by a trace. > > --disable-seccomp-filter-sandbox does work around the issue. > > Performance in my case is not as slow the previous commenter describes > but CPU usage is a lot higher. > > On my desktop, it's an AMD OLAND GPU using free drivers (radeonsi), > and I get no issue at all (also not the NSS message FWIW). Both > machines running up-to-date stretch with chromium 47.0.2526.73-1
Got the same with an Intel GPU but I didn't notice the problem until the bug report as my CPU is beefy enough. Intel HD Graphics 4600 in my case. In chrome://gpu, before the workaround: Graphics Feature Status Canvas: Software only, hardware acceleration unavailable Flash: Software only, hardware acceleration unavailable Flash Stage3D: Software only, hardware acceleration unavailable Flash Stage3D Baseline profile: Software only, hardware acceleration unavailable Compositing: Software only, hardware acceleration unavailable Multiple Raster Threads: Unavailable Rasterization: Software only, hardware acceleration unavailable Video Decode: Software only, hardware acceleration unavailable Video Encode: Software only, hardware acceleration unavailable WebGL: Unavailable Driver Bug Workarounds clear_uniforms_before_first_program_use count_all_in_varyings_packing disable_post_sub_buffers_for_onscreen_surfaces scalarize_vec_and_mat_constructor_args use_virtualized_gl_contexts Problems Detected GPU process was unable to boot: GPU access is disabled in chrome://settings. Disabled Features: all EXT_occlusion_query appears to be buggy with Intel GPUs on Linux Clear uniforms before first program use on all platforms: 124764, 349137 Applied Workarounds: clear_uniforms_before_first_program_use Mesa drivers in Linux handle varyings without static use incorrectly: 333885 Applied Workarounds: count_all_in_varyings_packing Disable partial swaps on linux drivers: 339493 Applied Workarounds: disable_post_sub_buffers_for_onscreen_surfaces Always rewrite vec/mat constructors to be consistent: 398694 Applied Workarounds: scalarize_vec_and_mat_constructor_args MakeCurrent is slow on Linux Applied Workarounds: use_virtualized_gl_contexts In chrome://gpu, after the workaround: Graphics Feature Status Canvas: Hardware accelerated Flash: Hardware accelerated Flash Stage3D: Hardware accelerated Flash Stage3D Baseline profile: Hardware accelerated Compositing: Hardware accelerated Multiple Raster Threads: Enabled Rasterization: Software only. Hardware acceleration disabled Video Decode: Hardware accelerated Video Encode: Hardware accelerated WebGL: Hardware accelerated Driver Bug Workarounds clear_uniforms_before_first_program_use count_all_in_varyings_packing disable_post_sub_buffers_for_onscreen_surfaces scalarize_vec_and_mat_constructor_args use_virtualized_gl_contexts Problems Detected EXT_occlusion_query appears to be buggy with Intel GPUs on Linux Clear uniforms before first program use on all platforms: 124764, 349137 Applied Workarounds: clear_uniforms_before_first_program_use Mesa drivers in Linux handle varyings without static use incorrectly: 333885 Applied Workarounds: count_all_in_varyings_packing Disable partial swaps on linux drivers: 339493 Applied Workarounds: disable_post_sub_buffers_for_onscreen_surfaces Always rewrite vec/mat constructors to be consistent: 398694 Applied Workarounds: scalarize_vec_and_mat_constructor_args MakeCurrent is slow on Linux Applied Workarounds: use_virtualized_gl_contexts Accelerated rasterization has been disabled, either via about:flags or command line. Disabled Features: rasterization -- Choose variable names that won't be confused. - The Elements of Programming Style (Kernighan & Plauger)
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