Hello, Heinz, While I am trying to build the 2.5.3-pre6 kernel, I met this error: ...... drivers/base/base.o drivers/char/char.o drivers/block/block.o drivers/misc/misc.o drivers/net/net.o drivers/media/media.o drivers/char/agp/agp.o drivers/char/drm/drm.o drivers/ide/idedriver.o drivers/scsi/scsidrv.o drivers/cdrom/driver.o drivers/sound/sounddrivers.o drivers/pci/driver.o drivers/pcmcia/pcmcia.o drivers/net/pcmcia/pcmcia_net.o drivers/pnp/pnp.o drivers/video/video.o drivers/usb/usbdrv.o drivers/md/mddev.o \ net/network.o \ --end-group \ -o vmlinux drivers/md/mddev.o: In function `lvm_user_bmap': drivers/md/mddev.o(.text+0x1182): undefined reference to `lvm_get_blksize' make: *** [vmlinux] Error 1 ...... I could not found the body of function lvm_get_blksize() in the source code. This also happened in 2.5.2. Thanks, -- Mingming Cao IBM Linux Technology Center 503-578-5024 IBM T/L: 775-5024 cmm@us.ibm.com http://www.ibm.com/linux/ltc _______________________________________________ linux-lvm mailing list linux-lvm@sistina.com http://lists.sistina.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html