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[Bug runtime/5648] Unaligned access to memory in _stp_vsnprintf() on ia64
- From: "mhiramat at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 1 May 2008 00:05:33 -0000
- Subject: [Bug runtime/5648] Unaligned access to memory in _stp_vsnprintf() on ia64
- References: <20080119000650.5648.mhiramat@redhat.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From mhiramat at redhat dot com 2008-05-01 00:05 -------
I've found that another code causes unaligned access on ia64...
$ sudo stap -m end1b -bv end1.stp -o /dev/null
$ dmesg
...
end1b: systemtap: 0.7/0.131, base: a000000204a20000, memory:
633752+71360+384+14000 data+text+ctx+net, probes: 2
kernel unaligned access to 0xa000000204ad5fee, ip=0xa000000204a23761
kernel unaligned access to 0xa000000204ad9fbe, ip=0xa000000204a23760
kernel unaligned access to 0xa000000204addf96, ip=0xa000000204a23761
kernel unaligned access to 0xa000000204ae1f66, ip=0xa000000204a23760
kernel unaligned access to 0xa000000204ae5f3e, ip=0xa000000204a23761
$nm end1b.ko | sort
...
00000000000035c0 T stp_print_flush
0000000000003800 t probe_1059
This time, ip was in stap_print_flush()...
--
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|FIXED |
http://sourceware.org/bugzilla/show_bug.cgi?id=5648
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