kernel oops due to unaligned access with lswi
dje at watson.ibm.com
Sun Nov 16 09:30:57 EST 2003
>>>>> Olaf Hering writes:
Olaf> 2.6 has a function parse_header(), its part of gunzip and used for
Olaf> initramfs as example. I got an oops, exception 600, sig 7. I think that
Olaf> means unaligned access.
Olaf> + memcpy(buf, s, 7 + j); /* s might be unaligned, gcc will optimized the call to lswi on ppc */
lswi specifically accepts unaligned addresses.
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