Stefan Monnier wrote: >>> _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. >> We had a problem with O-direct several years ago which we blamed on a rogue >> version of gcc. > > Based on my experience I'd say that it seems to still be around. > At least on `mipsel'. I have since discovered that Debian's `lvm2' > package disables O_DIRECT with the following lines: > > ifneq (,$(findstring $(DEB_HOST_ARCH), arm armeb hppa mips mipsel)) > CONFIGURE_FLAGS += --disable-o_direct > endif Ah, ok. That explains why my test on i686 arch & uClibc works:) This really seems like problem unrelated to LVM2, is possible that O_DIRECT is just buggy on ARM & similar archs see http://lkml.org/lkml/2008/11/19/300 for example... Milan -- mbroz@redhat.com _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
