*** This bug is a duplicate of bug 1754693 ***
    https://bugs.launchpad.net/bugs/1754693

@vanvugt, not the OP, but I ran ubuntu-bug on the Wayland crash and
submitted it here:
https://errors.ubuntu.com/oops/0f49c436-b1e8-11e8-8fb2-fa163ee63de6

At the same moment, there appears to be one for gnome-shell also.

I hope this helps. It's definitely an issue for me as well, and at the
moment, prevents me from using Slack in Wayland, which is a bummer.

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https://bugs.launchpad.net/bugs/1760252

Title:
  starting slack crashes xwayland on 18.04

Status in xorg-server package in Ubuntu:
  Incomplete

Bug description:
  steps to reproduce on 18.04:
  1. $ sudo snap install slack --classic
  2. $ slack
  3. the desktop env crashes with following trace, and need to login again:

  (EE)
  (EE) Backtrace:
  (EE) 0: /usr/bin/Xwayland (xorg_backtrace+0x4d) [0x56286f1996bd]
  (EE) 1: /usr/bin/Xwayland (0x56286eff1000+0x1ac459) [0x56286f19d459]
  (EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7fafb7322000+0x12890) 
[0x7fafb7334890]
  (EE) 3: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (0x7fafb0bd5000+0x24e9e3) 
[0x7fafb0e
  (EE) 4: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (0x7fafb0bd5000+0x1b3ed4) 
[0x7fafb0d
  (EE) 5: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (0x7fafb0bd5000+0x144c6a) 
[0x7fafb0d
  (EE) 6: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (0x7fafb0bd5000+0x144cae) 
[0x7fafb0d
  (EE) 7: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (0x7fafb0bd5000+0x144d1c) 
[0x7fafb0d
  (EE) 8: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (0x7fafb0bd5000+0xad4b2) 
[0x7fafb0c8
  (EE) 9: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (0x7fafb0bd5000+0x25b6db) 
[0x7fafb0e
  (EE) 10: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so 
(0x7fafb0bd5000+0x3e2ae5) [0x7fafb0
  (EE) 11: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so 
(0x7fafb0bd5000+0x3e1a13) [0x7fafb0
  (EE) 12: /usr/bin/Xwayland (0x56286eff1000+0xc8989) [0x56286f0b9989]
  (EE) 13: /usr/bin/Xwayland (0x56286eff1000+0xc7975) [0x56286f0b8975]
  (EE) 14: /usr/bin/Xwayland (0x56286eff1000+0x1969f2) [0x56286f1879f2]
  (EE) 15: /usr/bin/Xwayland (0x56286eff1000+0xcc5f7) [0x56286f0bd5f7]
  (EE) 16: /usr/bin/Xwayland (0x56286eff1000+0xc7c3c) [0x56286f0b8c3c]
  (EE) 17: /usr/bin/Xwayland (0x56286eff1000+0x171ec8) [0x56286f162ec8]
  (EE) 18: /usr/bin/Xwayland (0x56286eff1000+0x175f10) [0x56286f166f10]
  (EE) 19: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xe7) 
[0x7fafb6f52b97]
  (EE) 20: /usr/bin/Xwayland (_start+0x2a) [0x56286f02bada]
  (EE)
  (EE) Segmentation fault at address 0x68
  (EE)
  Fatal server error:
  (EE) Caught signal 11 (Segmentation fault). Server aborting
  (EE)

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