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Bug#854980: kwin-x11: In multisession (all graphical) w/ desktop effects, kwin tends to crash sessions randomly on nvidia hardware

* Nuno Oliveira <nuno@eq.uc.pt> [2018-03-05 21:54]:

Hi,
I also get random crashes of kwin-x11 with the nvidia binary driver. They appear easily (but not always) when using qupzilla for web browsing, mostly when new pages are opened in new windows. 

Installed versions are:
host:~# apt-cache policy kwin-x11 nvidia-driver-bin
kwin-x11:
Instalado: 4:5.12.1-1
Candidato: 4:5.12.1-1
Tabela de Versão:
*** 4:5.12.1-1 700
      700 https://ftp.eq.uc.pt/software/unix/Linux/debian testing/main amd64 Packages
      650 https://ftp.eq.uc.pt/software/unix/Linux/debian unstable/main amd64 Packages
      100 /var/lib/dpkg/status
   4:5.8.6-1 600
      600 https://ftp.eq.uc.pt/software/unix/Linux/debian stable/main amd64 Packages
nvidia-driver-bin:
Instalado: 384.111-4
Candidato: 384.111-4
Tabela de Versão:
   390.25-1 300
      300 https://ftp.eq.uc.pt/software/unix/Linux/debian experimental/non-free amd64 Packages
*** 384.111-4 700
      700 https://ftp.eq.uc.pt/software/unix/Linux/debian testing/non-free amd64 Packages
      650 https://ftp.eq.uc.pt/software/unix/Linux/debian unstable/non-free amd64 Packages
      100 /var/lib/dpkg/status
   375.82-1~deb9u1 600
      600 https://ftp.eq.uc.pt/software/unix/Linux/debian stable/non-free amd64 Packages
I believe this behaviour also occurred with the previous kwin-x11 package version. On machines with the intel video driver, I have not observed any crashes. 

Regards,

Nuno.


I also get lots of messages like this:
mar 05 22:45:12 host audit[23243]: SECCOMP auid=1000 uid=1000 gid=1000 ses=297 pid=23243 comm="QtWebEngineProc" exe="/usr/lib/x86_64-linux-gnu/qt5/libexec/QtWebEngineProcess" sig=0 arch=c000003e syscall=273 compat=0 mar 05 22:45:12 host audit[23243]: SECCOMP auid=1000 uid=1000 gid=1000 ses=297 pid=23243 comm="QtWebEngineProc" exe="/usr/lib/x86_64-linux-gnu/qt5/libexec/QtWebEngineProcess" sig=0 arch=c000003e syscall=273 compat=0 mar 05 22:45:12 host audit[23243]: SECCOMP auid=1000 uid=1000 gid=1000 ses=297 pid=23243 comm="QtWebEngineProc" exe="/usr/lib/x86_64-linux-gnu/qt5/libexec/QtWebEngineProcess" sig=0 arch=c000003e syscall=273 compat=0 mar 05 22:45:12 host audit[23243]: SECCOMP auid=1000 uid=1000 gid=1000 ses=297 pid=23243 comm="QtWebEngineProc" exe="/usr/lib/x86_64-linux-gnu/qt5/libexec/QtWebEngineProcess" sig=0 arch=c000003e syscall=273 compat=0 mar 05 22:45:12 host audit[23243]: SECCOMP auid=1000 uid=1000 gid=1000 ses=297 pid=23243 comm="QtWebEngineProc" exe="/usr/lib/x86_64-linux-gnu/qt5/libexec/QtWebEngineProcess" sig=0 arch=c000003e syscall=273 compat=0 mar 05 22:45:12 host audit[23243]: SECCOMP auid=1000 uid=1000 gid=1000 ses=297 pid=23243 comm="QtWebEngineProc" exe="/usr/lib/x86_64-linux-gnu/qt5/libexec/QtWebEngineProcess" sig=0 arch=c000003e syscall=273 compat=0 mar 05 22:45:12 host audit[23243]: SECCOMP auid=1000 uid=1000 gid=1000 ses=297 pid=23243 comm="QtWebEngineProc" exe="/usr/lib/x86_64-linux-gnu/qt5/libexec/QtWebEngineProcess" sig=0 arch=c000003e syscall=273 compat=0 mar 05 22:45:12 host audit[23243]: SECCOMP auid=1000 uid=1000 gid=1000 ses=297 pid=23243 comm="QtWebEngineProc" exe="/usr/lib/x86_64-linux-gnu/qt5/libexec/QtWebEngineProcess" sig=0 arch=c000003e syscall=273 compat=0 mar 05 22:45:12 host audit[23243]: SECCOMP auid=1000 uid=1000 gid=1000 ses=297 pid=23243 comm="QtWebEngineProc" exe="/usr/lib/x86_64-linux-gnu/qt5/libexec/QtWebEngineProcess" sig=0 arch=c000003e syscall=273 compat=0 mar 05 22:45:12 host audit[23243]: SECCOMP auid=1000 uid=1000 gid=1000 ses=297 pid=23243 comm="QtWebEngineProc" exe="/usr/lib/x86_64-linux-gnu/qt5/libexec/QtWebEngineProcess" sig=0 arch=c000003e syscall=273 compat=0 mar 05 22:45:12 host audit[23243]: SECCOMP auid=1000 uid=1000 gid=1000 ses=297 pid=23243 comm="QtWebEngineProc" exe="/usr/lib/x86_64-linux-gnu/qt5/libexec/QtWebEngineProcess" sig=0 arch=c000003e syscall=273 compat=0 mar 05 22:45:12 host audit[23243]: SECCOMP auid=1000 uid=1000 gid=1000 ses=297 pid=23243 comm="QtWebEngineProc" exe="/usr/lib/x86_64-linux-gnu/qt5/libexec/QtWebEngineProcess" sig=0 arch=c000003e syscall=273 compat=0 mar 05 22:45:12 host audit[23243]: SECCOMP auid=1000 uid=1000 gid=1000 ses=297 pid=23243 comm="QtWebEngineProc" exe="/usr/lib/x86_64-linux-gnu/qt5/libexec/QtWebEngineProcess" sig=0 arch=c000003e syscall=273 compat=0 mar 05 22:45:13 host audit[23243]: SECCOMP auid=1000 uid=1000 gid=1000 ses=297 pid=23243 comm="QtWebEngineProc" exe="/usr/lib/x86_64-linux-gnu/qt5/libexec/QtWebEngineProcess" sig=0 arch=c000003e syscall=273 compat=0 mar 05 22:45:13 host audit[23243]: SECCOMP auid=1000 uid=1000 gid=1000 ses=297 pid=23243 comm="QtWebEngineProc" exe="/usr/lib/x86_64-linux-gnu/qt5/libexec/QtWebEngineProcess" sig=0 arch=c000003e syscall=273 compat=0 mar 05 22:45:16 host kernel: NVRM: GPU at PCI:0000:01:00: GPU-20443f46-8eb4-8687-a140-548ef63ec9a4 
mar 05 22:45:16 host kernel: NVRM: GPU Board Serial Number:
mar 05 22:45:16 host kernel: NVRM: Xid (PCI:0000:01:00): 31, Ch 00000020, engmask 00000101, intr 10000000

The last 3 messages occur immediately after a notification event "Desktop effects were restarted after due to a graphics reset", after the kwin-x11 crash.

Thanks,

Nuno.
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