Re: firefox pledge violation

[Landry Breuil]

On Fri, Feb 19, 2021 at 09:44:40PM +1100, Jonathan Gray wrote:
> On Fri, Feb 19, 2021 at 11:31:25AM +0100, Landry Breuil wrote:
> > On Fri, Feb 19, 2021 at 11:17:35AM +0100, Martin Pieuchot wrote:
> > > Firefox from -current, tab crashes, kernel says:
> > > 
> > > firefox[86270]: pledge "", syscall 289
> > 
> > maybe the drm update triggers again the codepaths leading to shm calls
> > prevented by pledge/unveil ?
> > try fiddling with the various knobs forcing/disabling acceleration ?
> > depends on the gfx chipset ?
> 
> $ LIBGL_ALWAYS_SOFTWARE=true firefox
> go to https://get.webgl.org/
> firefox[71928]: pledge "", syscall 289
> 
> $ LIBGL_ALWAYS_SOFTWARE=true chrome
> chrome[4]: pledge "", syscall 289
> chrome[85649]: pledge "", syscall 289
> chrome[23547]: pledge "", syscall 289

ok, so nothing new under the sun.

with the latest snapshot, get.webgl.org works here in firefox with amdgpu.

Re: firefox pledge violation

[Jonathan Gray]

On Fri, Feb 19, 2021 at 11:31:25AM +0100, Landry Breuil wrote:
> On Fri, Feb 19, 2021 at 11:17:35AM +0100, Martin Pieuchot wrote:
> > Firefox from -current, tab crashes, kernel says:
> > 
> > firefox[86270]: pledge "", syscall 289
> 
> maybe the drm update triggers again the codepaths leading to shm calls
> prevented by pledge/unveil ?
> try fiddling with the various knobs forcing/disabling acceleration ?
> depends on the gfx chipset ?

$ LIBGL_ALWAYS_SOFTWARE=true firefox
go to https://get.webgl.org/
firefox[71928]: pledge "", syscall 289

$ LIBGL_ALWAYS_SOFTWARE=true chrome
chrome[4]: pledge "", syscall 289
chrome[85649]: pledge "", syscall 289
chrome[23547]: pledge "", syscall 289

> 
> anyway, nothing i can do here, i'm just the guy pushing random buttons
> to have updates.
> 
> you know better than me how to debug that :)
> 
> 

Re: firefox pledge violation

[Landry Breuil]

On Fri, Feb 19, 2021 at 11:17:35AM +0100, Martin Pieuchot wrote:
> Firefox from -current, tab crashes, kernel says:
> 
> firefox[86270]: pledge "", syscall 289

maybe the drm update triggers again the codepaths leading to shm calls
prevented by pledge/unveil ?
try fiddling with the various knobs forcing/disabling acceleration ?
depends on the gfx chipset ?

anyway, nothing i can do here, i'm just the guy pushing random buttons
to have updates.

you know better than me how to debug that :)

firefox pledge violation

[Martin Pieuchot]

Firefox from -current, tab crashes, kernel says:

firefox[86270]: pledge "", syscall 289

Trace is:

#0  shmget () at /tmp/-:3
#1  0x0b38d9347d7b in ?? () from /usr/X11R6/lib/modules/dri/swrast_dri.so
#2  0x0b38d994ac4b in ?? () from /usr/X11R6/lib/modules/dri/swrast_dri.so
#3  0x0b38d8c79eb0 in ?? () from /usr/X11R6/lib/modules/dri/swrast_dri.so
#4  0x0b38d8c7aa2b in ?? () from /usr/X11R6/lib/modules/dri/swrast_dri.so
#5  0x0b38d8ce44ed in ?? () from /usr/X11R6/lib/modules/dri/swrast_dri.so
#6  0x0b38d8ce553e in ?? () from /usr/X11R6/lib/modules/dri/swrast_dri.so
#7  0x0b38d8c7bfa1 in ?? () from /usr/X11R6/lib/modules/dri/swrast_dri.so
#8  0x0b38d925495a in ?? () from /usr/X11R6/lib/modules/dri/swrast_dri.so
#9  0x0b3808396dea in drisw_bind_context (context=0xb37ef35a600, 
old=, draw=, read=)
at /usr/xenocara/lib/mesa/mk/libGL/../../src/glx/drisw_glx.c:394
#10 0x0b380839b30e in MakeContextCurrent (dpy=0xb38afd6, 
draw=14680067, read=14680067, gc_user=0xb37ef35a600)
at /usr/xenocara/lib/mesa/mk/libGL/../../src/glx/glxcurrent.c:220
#11 0x0b38c7109b3a in mozilla::gl::GLContextGLX::MakeCurrentImpl() const ()
   from /usr/local/lib/firefox/libxul.so.99.0
#12 0x0b38c7113f1a in mozilla::gl::GLContext::InitImpl() ()
   from /usr/local/lib/firefox/libxul.so.99.0
#13 0x0b38c7113e58 in mozilla::gl::GLContext::Init() ()
   from /usr/local/lib/firefox/libxul.so.99.0
#14 0x0b38c7109aab in mozilla::gl::GLContextGLX::Init() ()
   from /usr/local/lib/firefox/libxul.so.99.0
---Type  to continue, or q  to quit---
#15 0x0b38c71098e5 in 
mozilla::gl::GLContextGLX::CreateGLContext(mozilla::gl::GLContextDesc const&, 
_XDisplay*, unsigned long, __GLXFBConfigRec*, bool, gfxXlibSurface*) () from 
/usr/local/lib/firefox/libxul.so.99.0
#16 0x0b38c710a8bc in 
mozilla::gl::GLContextProviderGLX::CreateHeadless(mozilla::gl::GLContextCreateDesc
 const&, nsTSubstring*) ()
   from /usr/local/lib/firefox/libxul.so.99.0
#17 0x0b38c80d977b in mozilla::WebGLContext::CreateAndInitGL(bool, 
std::__1::vector >*) () from 
/usr/local/lib/firefox/libxul.so.99.0
#18 0x0b38c80da009 in 
mozilla::WebGLContext::Create(mozilla::HostWebGLContext&, 
mozilla::webgl::InitContextDesc const&, mozilla::webgl::InitContextResult*)
() from /usr/local/lib/firefox/libxul.so.99.0
#19 0x0b38c80699c1 in 
mozilla::ClientWebGLContext::CreateHostContext(mozilla::avec2 
const&) () from /usr/local/lib/firefox/libxul.so.99.0
#20 0x0b38c806c502 in mozilla::ClientWebGLContext::SetDimensions(int, int)
() from /usr/local/lib/firefox/libxul.so.99.0
#21 0x0b38c80677d7 in 
mozilla::dom::CanvasRenderingContextHelper::UpdateContext(JSContext*, 
JS::Handle, mozilla::ErrorResult&) ()
   from /usr/local/lib/firefox/libxul.so.99.0
#22 0x0b38c8067579 in 
mozilla::dom::CanvasRenderingContextHelper::GetContext(JSContext*, 
nsTSubstring const&, JS::Handle, mozilla::ErrorResult&) () 
from /usr/local/lib/firefox/libxul.so.99.0
#23 0x0b38c7f48113 in mozilla::dom::HTMLCanvasElement_Binding::getContext(JS
Context*, JS::Handle, void*, JSJitMethodCallArgs const&) ()
   from /usr/local/lib/firefox/libxul.so.99.0
#24 0x0b38c80034cc in bool 
mozilla::dom::binding_detail::GenericMethod(JSContext*, unsigned int, 
JS::Value*) ()
   from /usr/local/lib/firefox/libxul.so.99.0
#25 0x0b38ca7695e5 in js::InternalCallOrConstruct(JSContext*, JS::CallArgs 
const&, js::MaybeConstruct, js::CallReason) ()
   from /usr/local/lib/firefox/libxul.so.99.0
#26 0x0b38ca765cbb in Interpret(JSContext*, js::RunState&) ()
   from /usr/local/lib/firefox/libxul.so.99.0
#27 0x0b38ca75c022 in js::RunScript(JSContext*, js::RunState&) ()
   from /usr/local/lib/firefox/libxul.so.99.0
#28 0x0b38ca7696ec in js::InternalCallOrConstruct(JSContext*, JS::CallArgs 
const&, js::MaybeConstruct, js::CallReason) ()
   from /usr/local/lib/firefox/libxul.so.99.0
#29 0x0b38ca769e2a in js::Call(JSContext*, JS::Handle, 
JS::Handle, js::AnyInvokeArgs const&, JS::MutableHandle, 
js::CallReason) () from /usr/local/lib/firefox/libxul.so.99.0
#30 0x0b38cad6ae6d in js::jit::InvokeFunction(JSContext*, 
JS::Handle, bool, bool, unsigned int, JS::Value*, 
JS::MutableHandle) ()
   from /usr/local/lib/firefox/libxul.so.99.0
#31 0x0b38cad6b20a in js::jit::InvokeFromInterpreterStub(JSContext*, 
js::jit::InterpreterStubExitFrameLayout*) ()
   from /usr/local/lib/firefox/libxul.so.99.0