crashing the Xserver / mp3 & aac playback issues

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crashing the Xserver / mp3 & aac playback issues

Unread post by random » 2022-07-26, 13:24

When I'm playing a local ogg/vorbis, aac, mp3 file my Xserver is crashing. With or without hardware acceleration enabled or enforced. Tried on LXDE, LXDE-pi and Windowmaker.

When I'm starting Palemoon over ssh -X and use a remote Xserver the audio files play without any crash. Ogg/Vorbis works fine, but aac or mp3 only returns distorted output. CPU usage of Palemoon is around 110% on a Raspberry Pi 2 (Cortex A7, 32-bit). Which seems a bit high and I wonder if this is related to the remote X session.

Any ideas what the cause of the crash could be? I don't have the problems with Palemoon on x86.

Operating system: Raspbian 11
Browser version: palemoon_31.1.0-1.1.gtk2_armhf.deb
32-bit or 64-bit browser?: 32-bit
Installed add-ons: all disabled
Installed plugins: (about:plugins): none

If possible, please include the output of help->troubleshooting information (as text):
Application Basics
------------------

Name: Pale Moon
Version: 31.1.0 (32-bit)
Build ID: 20220616202839
User Agent: Mozilla/5.0 (X11; Linux armv7l; rv:68.0) Gecko/20100101 Goanna/5.1 Firefox/68.0 PaleMoon/31.1.0
OS: Linux 5.15.32-v7+
Safe Mode: false

Extensions
----------

Name: OverbitePM
Version: 3.1.1696
Enabled: false
ID: overbitepm@floodgap.com

Name: Tab Kit 2
Version: 0.15.0
Enabled: false
ID: tabkit2@pikachuexe.amateur.hk

Name: ηMatrix
Version: 5.0.0
Enabled: false
ID: eMatrix@vannilla.org

Graphics
--------

Features
Compositing: Basic
GPU Accelerated Windows: 0/1 Basic (OMTC) Blocked for your graphics card because of unresolved driver issues.
Asynchronous Pan/Zoom: none
WebGL 1 Driver WSI Info: GLX 1.4 GLX_VENDOR(client): Mesa Project and SGI GLX_VENDOR(server): SGI Extensions: GLX_ARB_create_context GLX_ARB_create_context_profile GLX_ARB_fbconfig_float GLX_ARB_framebuffer_sRGB GLX_ARB_get_proc_address GLX_ARB_multisample GLX_EXT_create_context_es2_profile GLX_EXT_create_context_es_profile GLX_EXT_fbconfig_packed_float GLX_EXT_framebuffer_sRGB GLX_EXT_import_context GLX_EXT_texture_from_pixmap GLX_EXT_visual_info GLX_EXT_visual_rating GLX_MESA_copy_sub_buffer GLX_MESA_query_renderer GLX_OML_swap_method GLX_SGIS_multisample GLX_SGIX_fbconfig GLX_SGIX_pbuffer GLX_SGIX_visual_select_group GLX_SGI_make_current_read
WebGL 1 Driver Renderer: Mesa/X.org -- llvmpipe (LLVM 11.0.1, 128 bits)
WebGL 1 Driver Version: 3.1 Mesa 20.3.5
WebGL 1 Driver Extensions: GL_ARB_multisample GL_EXT_abgr GL_EXT_bgra GL_EXT_blend_color GL_EXT_blend_minmax GL_EXT_blend_subtract GL_EXT_copy_texture GL_EXT_subtexture GL_EXT_texture_object GL_EXT_vertex_array GL_EXT_compiled_vertex_array GL_EXT_texture GL_EXT_texture3D GL_IBM_rasterpos_clip GL_ARB_point_parameters GL_EXT_draw_range_elements GL_EXT_packed_pixels GL_EXT_point_parameters GL_EXT_rescale_normal GL_EXT_separate_specular_color GL_EXT_texture_edge_clamp GL_SGIS_generate_mipmap GL_SGIS_texture_border_clamp GL_SGIS_texture_edge_clamp GL_SGIS_texture_lod GL_ARB_framebuffer_sRGB GL_ARB_multitexture GL_EXT_framebuffer_sRGB GL_IBM_multimode_draw_arrays GL_IBM_texture_mirrored_repeat GL_ARB_texture_cube_map GL_ARB_texture_env_add GL_ARB_transpose_matrix GL_EXT_blend_func_separate GL_EXT_fog_coord GL_EXT_multi_draw_arrays GL_EXT_secondary_color GL_EXT_texture_env_add GL_EXT_texture_lod_bias GL_INGR_blend_func_separate GL_NV_blend_square GL_NV_light_max_exponent 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WebGL 1 Extensions: ANGLE_instanced_arrays EXT_blend_minmax EXT_color_buffer_half_float EXT_frag_depth EXT_sRGB EXT_shader_texture_lod EXT_disjoint_timer_query MOZ_debug_get OES_element_index_uint OES_standard_derivatives OES_texture_float OES_texture_float_linear OES_texture_half_float OES_texture_half_float_linear OES_vertex_array_object WEBGL_color_buffer_float WEBGL_compressed_texture_etc WEBGL_compressed_texture_s3tc WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_depth_texture WEBGL_draw_buffers WEBGL_lose_context MOZ_WEBGL_lose_context MOZ_WEBGL_compressed_texture_s3tc MOZ_WEBGL_depth_texture
WebGL 2 Driver WSI Info: GLX 1.4 GLX_VENDOR(client): Mesa Project and SGI GLX_VENDOR(server): SGI Extensions: GLX_ARB_create_context GLX_ARB_create_context_profile GLX_ARB_fbconfig_float GLX_ARB_framebuffer_sRGB GLX_ARB_get_proc_address GLX_ARB_multisample GLX_EXT_create_context_es2_profile GLX_EXT_create_context_es_profile GLX_EXT_fbconfig_packed_float GLX_EXT_framebuffer_sRGB GLX_EXT_import_context GLX_EXT_texture_from_pixmap GLX_EXT_visual_info GLX_EXT_visual_rating GLX_MESA_copy_sub_buffer GLX_MESA_query_renderer GLX_OML_swap_method GLX_SGIS_multisample GLX_SGIX_fbconfig GLX_SGIX_pbuffer GLX_SGIX_visual_select_group GLX_SGI_make_current_read
WebGL 2 Driver Renderer: Mesa/X.org -- llvmpipe (LLVM 11.0.1, 128 bits)
WebGL 2 Driver Version: 4.5 (Core Profile) Mesa 20.3.5
WebGL 2 Driver Extensions: GL_AMD_conservative_depth GL_AMD_draw_buffers_blend GL_AMD_gpu_shader_int64 GL_AMD_multi_draw_indirect GL_AMD_query_buffer_object GL_AMD_seamless_cubemap_per_texture GL_AMD_shader_stencil_export GL_AMD_shader_trinary_minmax GL_AMD_texture_texture4 GL_AMD_vertex_shader_layer GL_AMD_vertex_shader_viewport_index GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ARB_ES2_compatibility GL_ARB_ES3_1_compatibility GL_ARB_ES3_2_compatibility GL_ARB_ES3_compatibility GL_ARB_arrays_of_arrays GL_ARB_base_instance GL_ARB_blend_func_extended GL_ARB_buffer_storage GL_ARB_clear_buffer_object GL_ARB_clear_texture GL_ARB_clip_control GL_ARB_compressed_texture_pixel_storage GL_ARB_compute_shader GL_ARB_conditional_render_inverted GL_ARB_conservative_depth GL_ARB_copy_buffer GL_ARB_copy_image GL_ARB_cull_distance GL_ARB_debug_output GL_ARB_depth_buffer_float GL_ARB_depth_clamp GL_ARB_derivative_control GL_ARB_direct_state_access GL_ARB_draw_buffers 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WebGL 2 Extensions: EXT_color_buffer_float EXT_disjoint_timer_query MOZ_debug_get OES_texture_float_linear WEBGL_compressed_texture_etc WEBGL_compressed_texture_s3tc WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_lose_context MOZ_WEBGL_lose_context MOZ_WEBGL_compressed_texture_s3tc
Hardware H264 Decoding: No
Audio Backend: alsa
GPU #1
Active: Yes
Description: Mesa/X.org -- llvmpipe (LLVM 11.0.1, 128 bits)
Vendor ID: Mesa/X.org
Device ID: llvmpipe (LLVM 11.0.1, 128 bits)
Driver Version: 3.1 Mesa 20.3.5

Diagnostics
AzureCanvasAccelerated: 0
AzureCanvasBackend: skia
AzureContentBackend: cairo
AzureFallbackCanvasBackend: cairo
CairoUseXRender: 1
Decision Log
HW_COMPOSITING:
disabled by user: Disabled by pref
OPENGL_COMPOSITING:
unavailable by default: Hardware compositing is disabled




Important Modified Preferences
------------------------------

accessibility.typeaheadfind.flashBar: 0
browser.cache.disk.capacity: 358400
browser.cache.disk.smart_size.first_run: false
browser.cache.disk.smart_size.use_old_max: false
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browser.places.smartBookmarksVersion: 4
browser.search.useDBForOrder: true
browser.startup.homepage: about:home
browser.startup.homepage_override.buildID: 20220616202839
browser.startup.homepage_override.mstone: 5.1.0
browser.tabs.animate: false
browser.tabs.closeWindowWithLastTab: false
extensions.lastAppVersion: 31.1.0
font.default.x-western: sans-serif
media.av1.enabled: true
network.cookie.cookieBehavior: 1
network.cookie.prefsMigrated: true
network.http.altsvc.oe: true
network.http.upgrade-insecure-requests: true
places.database.lastMaintenance: 1658259211
places.history.expiration.transient_current_max_pages: 38601
privacy.sanitize.migrateFx3Prefs: true
security.OCSP.enabled: 0
services.sync.declinedEngines:
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storage.vacuum.last.places.sqlite: 1656015019
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Important Locked Preferences
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Places Database
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JavaScript
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Incremental GC: true

Accessibility
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Activated: false
Prevent Accessibility: 1

Library Versions
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NSPR
Expected minimum version: 4.25
Version in use: 4.25

NSS
Expected minimum version: 3.52.6
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NSSSMIME
Expected minimum version: 3.52.6
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NSSSSL
Expected minimum version: 3.52.6
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NSSUTIL
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Version in use: 3.52.6

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Moonchild
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Re: crashing the Xserver / mp3 & aac playback issues

Unread post by Moonchild » 2022-07-27, 03:30

Workaround: Disable xrender in your preferences.
NOTE: doing this will severely impact performance of your ssh-X use.

You may also try enabling hardware acceleration when using a native display. If that works you can have your cake and eat it too.
"Sometimes, the best way to get what you want is to be a good person." -- Louis Rossmann
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random
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Re: crashing the Xserver / mp3 & aac playback issues

Unread post by random » 2022-07-27, 17:52

Exactly as you predicted:

- Disabling xrender prevents the crash.
- Performance over SSH does indeed suck. Much slower, and higher CPU usage.
- Hardware acceleration for the local display works great without xrender. (eat cake – have cake).

So I configured Palemoon with xrender disabled and hardware acceleration enabled (local usage / HDMI).
For 'ssh -X' I start Palemoon with a script that creates a temporary user.js (symlink) which the contents:

Code: Select all

user_pref("gfx.xrender.enabled", true);
user_pref("layers.acceleration.enabled", false);
That is a good enough workaround. CPU usage is now around 30% to 40% when I open and play the file (With Palemoon's playback controls). Without controls (empty webpage with <audio src="test.ogg" autoplay>) it's around 20%.

The problem with mp3 and aac playback persists (seems to be unrelated). I only hear noise. I believe the decoding works, but then something before the audio output goes wrong.

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