My post
http://forums.ps2dev.org/viewtopic.php?t=7205
should actually have been a PSP Software Development forum topic.
It may be the same issue on PS2 toolchain. but I only have experience using the PSP toolchain.
I accidentally mis-posted it, because my initial post, on the related issue,
http://forums.ps2dev.org/viewtopic.php?t=6241
was a reply to ccDriver's post in the PS2 Software Development forum.
Sorry for the extra link clicks.