Using testing repos - was fully updated and all working fine. Then picked up the latest 3.7.2-1 kernel along with kdebase 4.9.5-2/

Rebooting after this latest update fails - it cannot find the root device and drops to "recovery shell".

        ls /dev/sdb1 (the usual root device) is def missing at that point.

        The recovery option does not boot either.

What I tried:

I booted 2013.01.04 arch install media - did a chroot as per the wiki - and attempted to roll back the kernel using pacman on the 3.7.1 package

        I get several errors:

        warning could not get filesystem information for things like:

                /run/archiso/bootmnt
                /sys/fs/cgroup/systemd

      /run is empty - and /sys/fs/cgroup is empty

        As per the chroot wiki /sys is mounted from the install via
        mount -t sysfs sys sys/

        pacman continues beyond these warnings but fails with:
==> building image from preset: 'default'
-> -k /boot/vmlinux-linux -c /etc/mkinitcpio.conf -g /boot/initramfs-linux.img
ERROR: invalid kernel specified: '/boot/vmlinux-linux'

same error from ;fallback'.


I am hoping I can install 3.7.1 kernel and boot again - instead of a new install.

        If anyone can offer some guidance I'd be appreciative ...

thank you

gene

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