Syncing task from Mir.
** Changed in: mir (Ubuntu)
Importance: Undecided => Medium
** Changed in: mir (Ubuntu)
Status: New => Triaged
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https://bugs.launchpad.net/bugs/1613156
Title:
Mir can't start if KMS is disabled (nomodeset kernel parameter)
Status in Mir:
Triaged
Status in mir package in Ubuntu:
Triaged
Bug description:
Mir can't start if KMS is disabled (nomodeset kernel parameter).
The nomodeset option is used to diagnose kernel graphics problems and
gives you a simple framebuffer instead. Xorg can deal with this and
still works in low resolution, but Mir cannot even start under such
conditions yet:
$ sudo mir_demo_server
[2016-08-15 11:48:43.120823] mirplatform: Found graphics driver: mir:mesa-kms
(version 0.23.5)
[2016-08-15 11:48:43.120874] mirplatform: Found graphics driver: mir:mesa-x11
(version 0.23.5)
[2016-08-15 11:48:43.121189] mirserver: Starting
[2016-08-15 11:48:43.121274] mircommon: Loading modules from:
/usr/lib/x86_64-linux-gnu/mir/server-platform
[2016-08-15 11:48:43.121302] mircommon: Loading module:
/usr/lib/x86_64-linux-gnu/mir/server-platform/graphics-mesa-kms.so.9
[2016-08-15 11:48:43.121459] mircommon: Loading module:
/usr/lib/x86_64-linux-gnu/mir/server-platform/server-mesa-x11.so.9
[2016-08-15 11:48:43.121714] mircommon: Loading module:
/usr/lib/x86_64-linux-gnu/mir/server-platform/input-evdev.so.5
[2016-08-15 11:48:43.122199] mirplatform: Found graphics driver: mir:mesa-kms
(version 0.23.5)
[2016-08-15 11:48:43.122228] mirplatform: Found graphics driver: mir:mesa-x11
(version 0.23.5)
ERROR:
/build/mir-RyEtCF/mir-0.23.5+16.10.20160729/src/server/graphics/default_configuration.cpp(133):
Throw in function
mir::DefaultServerConfiguration::the_graphics_platform()::<lambda()>
Dynamic exception type:
boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<std::runtime_error>
>
std::exception::what: Exception while creating graphics platform
ERROR:
/build/mir-RyEtCF/mir-0.23.5+16.10.20160729/src/platform/graphics/platform_probe.cpp(63):
Throw in function std::shared_ptr<mir::SharedLibrary>
mir::graphics::module_for_device(const
std::vector<std::shared_ptr<mir::SharedLibrary> >&, const
mir::options::ProgramOption&)
Dynamic exception type:
boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<std::runtime_error>
>
std::exception::what: Failed to find platform for current system
Related: https://bugs.launchpad.net/mir/+bug/1118903/comments/37
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