[Bug 1623507] Re: unity-system-compositor crashed with SIGABRT in mir::fatal_error_abort()

[Daniel van Vugt]

I'm marking the nouveau/Mesa crash as high severity. And the secondary
Mir crash is only medium because that's not really the problem at all.

Here's the Mesa crash:

#9  <signal handler called>
No locals.
#10 0x00007fe1e4c4f06c in pushbuf_kref () from /tmp/apport_sandbox_hSYpvb/usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
No symbol table info available.
#11 0x00007fe1e4c4f709 in pushbuf_validate () from /tmp/apport_sandbox_hSYpvb/usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
No symbol table info available.
#12 0x00007fe1e2fb25ef in nv50_state_validate (nv50=nv50 at entry=0x5608093d9c40, mask=mask at entry=4096, validate_list=validate_list at entry=0x7fe1e35ef660 <validate_list_3d>, size=size at entry=25, dirty=dirty at entry=0x5608093da018, bufctx=0x5608093dd6f0) at ../../../../../src/gallium/drivers/nouveau/nv50/nv50_state_validate.c:554
        state_mask = <optimized out>
        ret = <optimized out>
        i = <optimized out>
#13 0x00007fe1e2fb2797 in nv50_state_validate_3d (nv50=nv50 at entry=0x5608093d9c40, mask=mask at entry=4096) at ../../../../../src/gallium/drivers/nouveau/nv50/nv50_state_validate.c:564
        ret = <optimized out>
#14 0x00007fe1e2fb4e01 in nv50_clear (pipe=0x5608093d9c40, buffers=4, color=0x7fe1ebbf5acc, depth=1, stencil=0) at ../../../../../src/gallium/drivers/nouveau/nv50/nv50_surface.c:528
        push = 0x56080930e500
        fb = 0x5608093dae28
        i = <optimized out>
        j = <optimized out>
        k = <optimized out>
        mode = 0
#15 0x00007fe1e2c7ea32 in st_Clear (ctx=0x7fe1ebbf4010, mask=2) at ../../../src/mesa/state_tracker/st_cb_clear.c:463
        depthRb = <optimized out>
        stencilRb = <optimized out>
        quad_buffers = <optimized out>
        clear_buffers = 4
        i = <optimized out>
#16 0x00007fe1eb9249f1 in mir::renderer::gl::Renderer::render(std::vector<std::shared_ptr<mir::graphics::Renderable>, std::allocator<std::shared_ptr<mir::graphics::Renderable> > > const&) const (this=0x7fe1d00008c0, renderables=...) at ./src/renderers/gl/renderer.cpp:246

** Also affects: mesa (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: mesa (Ubuntu)
   Importance: Undecided => High

** Summary changed:

- unity-system-compositor crashed with SIGABRT in mir::fatal_error_abort()
+ unity-system-compositor crashed with SIGABRT in mir::fatal_error_abort() [nouveau crashed during glClear()]

** Tags added: nouveau

** Summary changed:

- unity-system-compositor crashed with SIGABRT in mir::fatal_error_abort() [nouveau crashed during glClear()]
+ unity-system-compositor crashed with "Failed to schedule page flip", but only after nouveau crashed in glClear().

** Also affects: libdrm (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: libdrm (Ubuntu)
   Importance: Undecided => High

** Tags added: unity8-desktop

** Also affects: canonical-devices-system-image
   Importance: Undecided
       Status: New

** Changed in: mir
       Status: New => Triaged

** Changed in: mir (Ubuntu)
       Status: New => Triaged

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https://bugs.launchpad.net/bugs/1623507

Title:
  unity-system-compositor crashed with "Failed to schedule page flip",
  but only after nouveau crashed in glClear().

Status in Canonical System Image:
  New
Status in Mir:
  Triaged
Status in libdrm package in Ubuntu:
  New
Status in mesa package in Ubuntu:
  New
Status in mir package in Ubuntu:
  Triaged

Bug description:
  16.10 first unity 8 run

  ProblemType: Crash
  DistroRelease: Ubuntu 16.10
  Package: unity-system-compositor 0.7.1+16.10.20160824-0ubuntu1
  ProcVersionSignature: Ubuntu 4.4.0-9136.55-generic 4.4.16
  Uname: Linux 4.4.0-9136-generic x86_64
  ApportVersion: 2.20.3-0ubuntu7
  Architecture: amd64
  Date: Wed Sep 14 10:34:45 2016
  ExecutablePath: /usr/sbin/unity-system-compositor
  GraphicsCard:
   Subsystem: Micro-Star International Co., Ltd. [MSI] Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller [1462:7817]
   NVIDIA Corporation G92 [GeForce 9800 GT] [10de:0614] (rev a2) (prog-if 00 [VGA controller])
     Subsystem: eVga.com. Corp. G92 [GeForce 9800 GT] [3842:c988]
  InstallationDate: Installed on 2016-09-14 (0 days ago)
  InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Alpha amd64 (20160913)
  ProcCmdline: /usr/sbin/unity-system-compositor --disable-inactivity-policy=true --on-fatal-error-abort --file /run/mir_socket --from-dm-fd 11 --to-dm-fd 14 --vt 7
  ProcEnviron:
   
  Signal: 6
  SourcePackage: unity-system-compositor
  StacktraceTop:
   mir::fatal_error_abort(char const*, ...) () from /usr/lib/x86_64-linux-gnu/libmircommon.so.6
   ?? () from /usr/lib/x86_64-linux-gnu/mir/server-platform/graphics-mesa-kms.so.10
   ?? () from /usr/lib/x86_64-linux-gnu/libmirserver.so.41
   ?? () from /usr/lib/x86_64-linux-gnu/libmirserver.so.41
   ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
  Title: unity-system-compositor crashed with SIGABRT in mir::fatal_error_abort()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  version.libdrm: libdrm2 2.4.70-1
  version.lightdm: lightdm 1.19.4-0ubuntu1
  version.mesa: libegl1-mesa-dev N/A

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