It's a harmless exception and does not mean anything is faulty.
We've just failed to avoid worrying the user into thinking something is
broken. The message needs to be hidden from the user.
** Changed in: mir (Ubuntu)
Importance: Undecided => Medium
** Changed in: mir (Ubuntu)
Status: Confirmed => Triaged
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https://bugs.launchpad.net/bugs/1454142
Title:
[regression] mirscreencast 0.13 and later gives error and exception
(std::exception::what: Failed to mmap buffer 13, "Permission denied")
Status in Mir:
Triaged
Status in Mir 0.13 series:
Won't Fix
Status in mir package in Ubuntu:
Triaged
Bug description:
[regression] mirscreencast 0.13 and later throws an exception:
# bin/mirscreencast -n1
MIR_CLIENT_PLATFORM_PATH=bin/../lib/client-modules/
MIR_SERVER_PLATFORM_PATH=bin/../lib/server-modules/
MIR_SERVER_PLATFORM_INPUT_LIB=bin/../lib/server-modules/input-stub.so
LD_LIBRARY_PATH=bin/../lib
exec=bin/.mirscreencast-uninstalled
[1431419911.659329] <ERROR> MirBufferStreamAPI: Caught exception at client
library boundary (in mir_buffer_stream_get_graphics_region):
/home/dan/bzr/mir/dev/src/platforms/mesa/client/client_buffer.cpp(63): Throw in
function {anonymous}::ShmMemoryRegion::ShmMemoryRegion(const
std::shared_ptr<mir::client::mesa::BufferFileOps>&, int, const
mir::geometry::Size&, mir::geometry::Stride, MirPixelFormat)
Dynamic exception type:
N5boost16exception_detail10clone_implINS0_19error_info_injectorISt13runtime_errorEEEE
std::exception::what: Failed to mmap buffer
13, "Permission denied"
And that's running as root(!)
Workaround: Use the installed version 0.12.1 of mirscreencast on
vivid, which works still.
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