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[Bug runtime/14107] Bad user unwinding from kernel fatal signal handler for some x86_64 kernels
- From: "mjw at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Tue, 15 May 2012 14:14:41 +0000
- Subject: [Bug runtime/14107] Bad user unwinding from kernel fatal signal handler for some x86_64 kernels
- Auto-submitted: auto-generated
- References: <bug-14107-6586@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=14107
--- Comment #5 from Mark Wielaard <mjw at redhat dot com> 2012-05-15 14:14:41 UTC ---
Looks like the RHEL6 kernel is missing this:
commit 9e565292270a2d55524be38835104c564ac8f795
Author: Roland McGrath <roland@redhat.com>
Date: Thu May 13 21:43:03 2010 -0700
x86: Use .cfi_sections for assembly code
The newer assemblers support the .cfi_sections directive so we can put
the CFI from .S files into the .debug_frame section that is preserved
in unstripped vmlinux and in separate debuginfo, rather than the
.eh_frame section that is now discarded by vmlinux.lds.S.
Signed-off-by: Roland McGrath <roland@redhat.com>
LKML-Reference: <20100514044303.A6FE7400BE@magilla.sf.frob.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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