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Message #134405
[Bug 1404302] Re: liblttng-ust0 Error opening shm /lttng-ust-wait-5
Playing around with the camera app, I found that if I removed the
"Ubuntu.Content" plugin, the LTTng message stopped. So suspect something
content hub is linking with
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https://bugs.launchpad.net/bugs/1404302
Title:
liblttng-ust0 Error opening shm /lttng-ust-wait-5
Status in Client Developer Experience:
Confirmed
Status in platform-api:
New
Status in content-hub package in Ubuntu:
New
Status in qtmir package in Ubuntu:
Invalid
Status in webbrowser-app package in Ubuntu:
Confirmed
Bug description:
Confined apps don't have access to this and continuously produce this
error message in stderr:
libust[31283/31285]: Error: Error opening shm /lttng-ust-wait-5 (in
get_wait_shm() at lttng-ust-comm.c:958)
This is printed to the application's log about once every other second and makes it hard to read the application's own debug output. For a better app developer experience this message should be silenced.
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References