On Wed, 2018-12-26 at 21:57 -0500, Celejar wrote: > On Wed, 26 Dec 2018 15:39:19 +0000 > Ben Hutchings <b...@decadent.org.uk> wrote: > > > On Tue, Dec 25, 2018 at 09:58:33PM -0500, Celejar wrote: > > > On Tue, 25 Dec 2018 20:52:46 +0000 > > > Ben Hutchings <b...@decadent.org.uk> wrote: > > > > > > > Control: reassign -1 udev 240-1 > > > > Control: forcemerge 917124 -1 > > > > > > > > This seems to be a bug in udev, not the kernel. You will only have > > > > noticed it once you rebooted for the kernel upgrade. > > > > > > Nope - in my system's current state, when rebooting into 4.19 there's > > > no /dev/mapper symlink, but when rebooting into 4.18 there is. I've > > > gone back and forth several times, and the behavior is consistent. > > > There's clearly something that 4.19 is doing differently from 4.18. [I > > > guess it might still be a udev bug, which is being exposed by some > > > change in 4.19.] > > > > This is probably because the initramfs for 4.18 contains the old > > version of udev. > > Okay, I think I understand. So if I were to update the 4.18 initramfs > (with update-initramfs -k 4.18-nnn) now, I would expect to see the same > problem with that kernel?
Yes.
And if you downgrade udev and libudev1 to version 239-15, that will
trigger an update of the 4.19 initramfs (only) and you should then be
able to boot with Linux 4.19.
Ben.
--
Ben Hutchings
Life is what happens to you while you're busy making other plans.
- John Lennon
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