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[Bug build/22916] debug/tst-backtrace4, debug/tst-backtrace5 fail on s390x when running on Linux 4.15 kernel
- From: "stli at linux dot vnet.ibm.com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Tue, 17 Apr 2018 11:18:42 +0000
- Subject: [Bug build/22916] debug/tst-backtrace4, debug/tst-backtrace5 fail on s390x when running on Linux 4.15 kernel
- Auto-submitted: auto-generated
- References: <bug-22916-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=22916
Stefan Liebler <stli at linux dot vnet.ibm.com> changed:
What |Removed |Added
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CC| |stli at linux dot vnet.ibm.com
--- Comment #3 from Stefan Liebler <stli at linux dot vnet.ibm.com> ---
The four failing tests (nptl/tst-cancelx20, nptl/tst-cancelx21,
debug/tst-backtrace4, debug/tst-backtrace5) on s390 (31bit) are due to a
kernel-bug.
In all cases, showing the backtrace or unwinding is not possible beyond the
signal-handler. There is a kernel-bug setting up the pointer to the stored
registers.
See commit from Heiko "s390/compat: fix setup_frame32"
(https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8b09ca746a643ca452cd41a522046a96ee5a55fd).
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