[Bug tapsets/19300] Many SystemTap tapsets failing on kernel.org 4.2.0 kernel

fche at redhat dot com sourceware-bugzilla@sourceware.org
Sat Nov 28 15:02:00 GMT 2015


https://sourceware.org/bugzilla/show_bug.cgi?id=19300

Frank Ch. Eigler <fche at redhat dot com> changed:

           What    |Removed                     |Added
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             Status|NEW                         |WAITING
                 CC|                            |fche at redhat dot com

--- Comment #1 from Frank Ch. Eigler <fche at redhat dot com> ---
The definition of that tcphdr type is read out of the kernel vmlinux image (if
the tapset doesn't request a header-file based cast, like e.g. inet_sock on
tapset/linux/tcp.stp line 80.  The problematic @cast(... "tcphdr") bits could
be converted to @cast(... "tcphdr", "kernel<net/tcp.h>") or similar.  But if
debuginfo is missing, other things will be broken too.

Could you forward the stap-report output, as requested by the [man
error::pass4] and [man error::reporting] pages?  I wouldn't be surprised if the
vmlinux file was not as advertised.

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