Public bug reported:
== SRU REQUEST, XENIAL, YAKKETY + ZESTY ==
Running the autotest client ubuntu_kernel_selftests tests hang on i386
because of a bug in the ftracing, resolved with upstream fix:
commit 847fa1a6d3d00f3bdf68ef5fa4a786f644a0dd67
ftrace/x86_32: Set ftrace_stub to weak to prevent gcc from using short jumps to
it
Although these have fixes ready to come down into -stable, lets SRU
these in sooner than later.
== Test ==
Without the fix, the i386 kernel self tests always hang on the ftracing
tests. With the fix, it works perfectly.
== Regression potential ==
Minimal, this is a tried and tested patch, plus it matches the fixes in
the amd64 paths that were not ported over to the i386 paths which this
fix now addresses.
** Affects: linux (Ubuntu)
Importance: Medium
Assignee: Colin Ian King (colin-king)
Status: New
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Colin Ian King (colin-king)
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https://bugs.launchpad.net/bugs/1655040
Title:
i386 ftrace tests hang on ADT testing
Status in linux package in Ubuntu:
New
Bug description:
== SRU REQUEST, XENIAL, YAKKETY + ZESTY ==
Running the autotest client ubuntu_kernel_selftests tests hang on i386
because of a bug in the ftracing, resolved with upstream fix:
commit 847fa1a6d3d00f3bdf68ef5fa4a786f644a0dd67
ftrace/x86_32: Set ftrace_stub to weak to prevent gcc from using short jumps
to it
Although these have fixes ready to come down into -stable, lets SRU
these in sooner than later.
== Test ==
Without the fix, the i386 kernel self tests always hang on the
ftracing tests. With the fix, it works perfectly.
== Regression potential ==
Minimal, this is a tried and tested patch, plus it matches the fixes
in the amd64 paths that were not ported over to the i386 paths which
this fix now addresses.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1655040/+subscriptions
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