webbrowser-app crashed with SIGSEGV in nv50_screen_fence_update()

[dinamic]

webbrowser-app crashed with SIGSEGV

webbrowser-app
file:///usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/1.3/Sections.qml:96: TypeError: Cannot read property 'length' of undefined
qml: Loaded 3 UA override(s) from file:///usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Web/ua-overrides-desktop.js
nouveau: kernel rejected pushbuf: No such file or directory
nouveau: ch0: krec 0 pushes 1 bufs 4 relocs 0
nouveau: ch0: buf 00000000 00000002 00000004 00000004 00000000
nouveau: ch0: buf 00000001 00000006 00000004 00000000 00000004
nouveau: ch0: buf 00000002 00000038 00000004 00000004 00000000
nouveau: ch0: buf 00000003 00000032 00000002 00000000 00000002
nouveau: ch0: psh 00000000 0000048170 00000481e4
nouveau: 0x0004a200
nouveau: 0x00000001
nouveau: 0x0004a314
nouveau: 0x00000400
nouveau: 0x0018a21c
nouveau: 0x00000000
nouveau: 0x00000040
nouveau: 0x00000400
nouveau: 0x00000100
nouveau: 0x00000001
nouveau: 0x00000000
nouveau: 0x0008a238
nouveau: 0x00000000
nouveau: 0x00000000
nouveau: 0x0008a30c
nouveau: 0x207f3000
nouveau: 0x20685000
nouveau: 0x0004a234
nouveau: 0x00000000
nouveau: 0x0010a31c
nouveau: 0x00000400
nouveau: 0x00000100
nouveau: 0x00000101
nouveau: 0x00000000
nouveau: 0x00107b00
nouveau: 0x00000000
nouveau: 0x20217000
nouveau: 0x0000005d
nouveau: 0x1000f010
Segmentation fault (core dumped)

ProblemType: Crash
DistroRelease: Ubuntu 15.10
Package: webbrowser-app 0.23+15.10.20150929-0ubuntu1
ProcVersionSignature: Ubuntu 4.2.0-14.16-generic 4.2.2
Uname: Linux 4.2.0-14-generic x86_64
ApportVersion: 2.19-0ubuntu1
Architecture: amd64
CrashCounter: 1
CurrentDesktop: Unity
Date: Tue Oct 6 13:02:27 2015
ExecutablePath: /usr/bin/webbrowser-app
InstallationDate: Installed on 2015-09-18 (17 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20150918)
ProcCmdline: webbrowser-app
SegvAnalysis:
 Segfault happened at: 0x7f6aa5fd6687: mov (%rax),%eax
 PC (0x7f6aa5fd6687) ok
 source "(%rax)" (0x7f6ab000a000) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
 Stack memory exhausted (SP below stack segment)
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: webbrowser-app
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
 ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
 ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
 ?? () from /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
 ?? () from /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
Title: webbrowser-app crashed with SIGSEGV
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 nv50_screen_fence_update (pscreen=0x5622254acd00) at ../../../../../../src/gallium/drivers/nouveau/nv50/nv50_screen.c:404
 nouveau_fence_update (screen=screen@entry=0x5622254acd00, flushed=flushed@entry=true) at ../../../../../../src/gallium/drivers/nouveau/nouveau_fence.c:139
 nv50_default_kick_notify (push=<optimized out>) at ../../../../../../src/gallium/drivers/nouveau/nv50/nv50_context.c:103
 pushbuf_submit (push=push@entry=0x5622254af450, chan=<optimized out>, chan=<optimized out>) at ../../nouveau/pushbuf.c:327
 pushbuf_flush (push=push@entry=0x5622254af450) at ../../nouveau/pushbuf.c:404

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.