[Bug 99456] Firefox crashing when opening about:support with WebGL2 enabled

[Bug 99456] Firefox crashing when opening about:support with WebGL2 enabled

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 2057 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=99456

            Bug ID: 99456
           Summary: Firefox crashing when opening about:support with
                    WebGL2 enabled
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: geecko.dev@free.fr
        QA Contact: dri-devel@lists.freedesktop.org

Stack:
- firefox 50.1.0
- linux 4.8.13 and 4.10-RC4
- xorg-server 1.19.1
- mesa 17.0 180653c357
- llvm 5.0 292441

Hardware:
- R9 Fury

Steps to reproduce:
- open firefox
- open about:config
- set webgl.enable-webgl2 key to true
- open about:support
- firefox will crash with the following backtrace

#0  0x00007ffff7bc6ad0 in pthread_mutex_lock () at /usr/lib/libpthread.so.0
#1  0x00007fffc1de0d2c in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007fffc1de13fb in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007fffc1e00e82 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#4  0x00007fffc1f39eff in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#5  0x00007fffc211df49 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#6  0x00007fffc23c61a7 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#7  0x00007fffc23c83eb in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#8  0x00007fffc23d9a30 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#9  0x00007fffc2135634 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#10 0x00007fffc21353e7 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#11 0x00007ffff7bc4454 in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007ffff6e607df in clone () at /usr/lib/libc.so.6

Thread 48 "si_shader:1" received signal SIGSEGV, Segmentation fault.

Firefox Developer Edition from flatpak works properly.

-- 
You are receiving this mail because:
You are the assignee for the bug.

[-- Attachment #1.2: Type: text/html, Size: 3434 bytes --]

[-- Attachment #2: Type: text/plain, Size: 160 bytes --]

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

[Bug 99456] Firefox crashing when opening about:support with WebGL2 enabled

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 238 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=99456

--- Comment #1 from Clément Guérin <geecko.dev@free.fr> ---
No crash with mesa 13.0.3 and llvm 3.9.1.

-- 
You are receiving this mail because:
You are the assignee for the bug.

[-- Attachment #1.2: Type: text/html, Size: 1050 bytes --]

[-- Attachment #2: Type: text/plain, Size: 160 bytes --]

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

[Bug 99456] Firefox crashing when opening about:support with WebGL2 enabled

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 240 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=99456

--- Comment #2 from Michel Dänzer <michel@daenzer.net> ---
Any chance you can bisect Mesa with LLVM 3.9?

-- 
You are receiving this mail because:
You are the assignee for the bug.

[-- Attachment #1.2: Type: text/html, Size: 1050 bytes --]

[-- Attachment #2: Type: text/plain, Size: 160 bytes --]

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

[Bug 99456] Firefox crashing when opening about:support with WebGL2 enabled

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 327 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=99456

--- Comment #3 from Michel Dänzer <michel@daenzer.net> ---
Created attachment 129042
  --> https://bugs.freedesktop.org/attachment.cgi?id=129042&action=edit
Backtrace with debugging symbols

-- 
You are receiving this mail because:
You are the assignee for the bug.

[-- Attachment #1.2: Type: text/html, Size: 1293 bytes --]

[-- Attachment #2: Type: text/plain, Size: 160 bytes --]

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

[Bug 99456] Firefox crashing when opening about:support with WebGL2 enabled

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 298 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=99456

--- Comment #4 from Clément Guérin <geecko.dev@free.fr> ---
I did some bisecting yesterday, didn't have to finish but I'm really close.
I'll update later today.

-- 
You are receiving this mail because:
You are the assignee for the bug.

[-- Attachment #1.2: Type: text/html, Size: 1110 bytes --]

[-- Attachment #2: Type: text/plain, Size: 160 bytes --]

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

[Bug 99456] Firefox crashing when opening about:support with WebGL2 enabled

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 604 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=99456

--- Comment #5 from Clément Guérin <geecko.dev@free.fr> ---
bf75ef3f9201e11bb08a4d03dab20d5ff86f1ebc is the first bad commit
commit bf75ef3f9201e11bb08a4d03dab20d5ff86f1ebc
Author: Marek Olšák <marek.olsak@amd.com>
Date:   Tue Nov 15 21:15:55 2016 +0100

    radeonsi: remove all varyings for depth-only rendering or rasterization off

    Tested-by: Edmondo Tommasina <edmondo.tommasina@gmail.com>
    Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

-- 
You are receiving this mail because:
You are the assignee for the bug.

[-- Attachment #1.2: Type: text/html, Size: 1593 bytes --]

[-- Attachment #2: Type: text/plain, Size: 160 bytes --]

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

[Bug 99456] Firefox crashing when opening about:support with WebGL2 enabled

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 308 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=99456

--- Comment #6 from Marek Olšák <maraeo@gmail.com> ---
Does this commit fix it?
https://cgit.freedesktop.org/mesa/mesa/commit/?id=35cd7551a443477147293e562d8c1adfbe00dea9

-- 
You are receiving this mail because:
You are the assignee for the bug.

[-- Attachment #1.2: Type: text/html, Size: 1220 bytes --]

[-- Attachment #2: Type: text/plain, Size: 160 bytes --]

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

[Bug 99456] Firefox crashing when opening about:support with WebGL2 enabled

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 368 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=99456

--- Comment #7 from Clément Guérin <geecko.dev@free.fr> ---
Hi Marek,

No, the mesa build I was using when hitting the bug already included this
commit.

I also tried with e0674e740bf8 (current master~1) and I get a crash too.

-- 
You are receiving this mail because:
You are the assignee for the bug.

[-- Attachment #1.2: Type: text/html, Size: 1180 bytes --]

[-- Attachment #2: Type: text/plain, Size: 160 bytes --]

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

[Bug 99456] Firefox crashing when opening about:support with WebGL2 enabled

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 583 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=99456

Clément Guérin <geecko.dev@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #8 from Clément Guérin <geecko.dev@free.fr> ---
It looks like d9ef54923804d5fe44a1d3ad5c29e9b8e8382359 fixed the bug. Thanks,
Marek!

-- 
You are receiving this mail because:
You are the assignee for the bug.

[-- Attachment #1.2: Type: text/html, Size: 2127 bytes --]

[-- Attachment #2: Type: text/plain, Size: 160 bytes --]

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel