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[Bug translator/4915] Incorrect code for accessing function argument
- From: "fche at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 13 Aug 2007 18:48:44 -0000
- Subject: [Bug translator/4915] Incorrect code for accessing function argument
- References: <20070810201910.4915.wcohen@redhat.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From fche at redhat dot com 2007-08-13 18:48 -------
(In reply to comment #8)
> Isn't 2.6.9-55.ELsmp an older kernel? Current RHEL4 is 2.6.9-55.0.2.EL. Does the
> debug information for the sys_open function look correct for that kernel?
Yes, all looks fine on my 2.6.9-55.0.2ELsmp and non-smp i686 installation.
In each case, the first two instructions are skipped (those with line
record fs/open.c:964), and the subsequent one (:971) gets working data.
Are you positive that you've seen this fail on an RHEL4 official kernel?
There may be ABI differences (regparms?) between your old and new kernel
configs, and the RHEL4 compiler may not be up to the latter.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=4915
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