Messages in this thread | | | Date | Mon, 1 Mar 2004 00:06:41 +0100 | From | Marc Giger <> | Subject | Re: kernel unaligned acc on Alpha |
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On Sun, 29 Feb 2004 23:03:18 +0100 Marc Giger <gigerstyle@gmx.ch> wrote:
> Hi Måns, > > On Sun, 29 Feb 2004 22:24:45 +0100 > mru@kth.se (Måns Rullgård) wrote: > > > Marc Giger <gigerstyle@gmx.ch> writes: > > > > > Hi All, > > > > > > I have a lot of unaligned accesses in kernel space: > > > > > > kernel unaligned acc : 2191330 > > > (pc=fffffffc002557d8,va=fffffffc00256059) > > > > > > It seems to be located in the networking part (iptables?) from the > > > kernel. Can someone please help me how to find the location of > > > these uac's? I already have recompiled the kernel with debugging > > > enabled and tried to debug it with gdb. > > > > Find the matching function in System.map. Look for the entry with > > the highest address less than or equal to the pc value. > > The highest address in System.map is > fffffc000076fab0 A _end > > /proc/ksyms is more informative. It seems the function is in a > module. > > fffffffc00254800 ipt_unregister_table [ip_tables] > fffffffc00256051 __insmod_ip_tables_S.rodata_L16 [ip_tables] > > ipt_unregister_table is the most matching funtion, but makes no sense > to me, since I don't load and unload it 2191330 times:-) > > Do you have more tips how to find the right funtion in the modules? >
Ok, I found it, because in 2.4.25 (2.6 too) is already fixed.
It would be nice if you could explain me how to find a function in a module with the given address.
Thank you and sorry for wasting your time!
Regards
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