Just a shot in the dark, but might this be a glitch while switching from the initramfs to the real root filesystem? I took a quick look at the source of modprobe, and I can't immediately see any way that the message might occur other than the file genuinely not being present.
Just a shot in the dark, but might this be a glitch while switching from the initramfs to the real root filesystem? I took a quick look at the source of modprobe, and I can't immediately see any way that the message might occur other than the file genuinely not being present.