>> It sounds like a likely culprit, indeed. But Googling indicates that
>> LVM2 has been compiled and used with uClibc for initramfs purposes so it
>> should work fine. Tho maybe the problem is that those references I see
> AFAIK, nobody is testing this regularly, especially not for the latest
> releases. Also many (most?) distributions are now shipping an
> initramfs with a full glibc environment so this use is becoming
> less common.
I think I've finally "tracked it down". Or at least I've found
a workaround: if I pass "--disable-o_direct" to configure, everything
works fine.
While trying to track it down, I saw that calls to "read" (from within
_io in dev-io.c) would often return garbage (tho not always). Not sure
if it's a problem in LVM2, or in uClibc, or in the kernel, but I think
I've already wasted more than enough time on this, so I'll just use
the --disable-o_direct workaround.
Stefan
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