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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)
** Affects: xorg-server (Ubuntu)
Importance: Undecided
Status: New
** Tags: bionic
--
starting slack crashes xwayland on 18.04
https://bugs.launchpad.net/bugs/1760252
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