kernel oops due to unaligned access with lswi

Jon Masters jonathan at
Mon Nov 17 09:45:39 EST 2003

Alan Modra wrote:

| On Sun, Nov 16, 2003 at 11:49:32AM -0600, Kumar Gala wrote:
|>If Ben's comments are correct simply removing -mstring as an option
|>passed to the build should get the desired behavior.
| Yes.  I can't see any problem with gcc's behaviour here, and I'm
| surprised that some processor is taking alignment exceptions on lswi.

The 601 reputedly broke a number of the PowerPC specifications however
so I am not surprised if it has this problem - the trouble is you can
fix up the alignment exception handler in Linux but not the firmware
handlers being used prior to that. Anyway people suggested workarounds.


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