On 11.03.19 20:55, J. Roeleveld wrote:
On March 10, 2019 1:24:14 PM UTC, Dan Johansson <dan.johans...@dmj.nu> wrote:
After updating a server from kernel-4.14.83 to 4.19.27-r1 (same problem

with 4.19.23) the server will not boot.

Grub starts fine and I can select the new kernel.
The kernel starts booting and after mounting "/" and "/usr" (this is a
server with a separate /usr") the boot-process hangs.

Here are the last few lines displayed before it hangs:

Initializing root device...
Detected root: /dev/md127
Mounting /dev/md127 as root...
Detected fstype: ext4
Using mount fstype: ext4
Using mount opts: -o ro
      7.6104971 EXT4-fs (md127): mounted filesystem with ordered data
mode.  Opts (null)
      7.6572671 init (5708) used greatest stack depth: 13280 bytes left
Mounting /dev/dm-O as /usr: mount -t ext4 -o noatime,user_xattr,ro
/deu/dm-O /newroot/usr
      7.6909561 EXT4-fs (dm-0): INFO: recouery required on readonly
filesystem
      7.6925551 EXT4-fs (dm-0): write access will be enabled diming
recouery
      7.9169781 EXT4-fs (dm-0): recovery complete
      7.9223701 EXT4-fs (dm-0): mounted filesystem with ordered data
mode.  Opts: user_xattr
     7.9233051 mount (5722) used greatest stack depth, 13000 bytes left
/usr already mounted, skipping...
Booting (initramfs)
sep-usr init: running user requested applet


As I said, the 4.14.83 kernel boots without problem with the same
configuration.

Any suggestions?
--
Dan Johansson,
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I updated my servers last weekend and all moved to 4.19.27, 2 use ZFS for the 
filesystem, several are VMs on top of Xen. None had any issues.

The messages you show make me think they are from an initrd, not the actual 
kernel. I would investigate that first and make sure your initrd is actually 
updated as well.
Did you copy the text? Or did you manage to grab the output somehow?

Also, which init system and initrd are you using?

--
Joost


The text was copied from a screenshot (IPMI-KVM).
I am using sys-apps/openrc with sys-fs/eudev and I use genkernel to build the kernel and the initramfs.

Yes, for me it also looks like it has to do with /ginit (busybox) or /sbin/init (sys-apps/sysvinit) and not the kernel.

I also have a bunch of other servers which all updated fine to 4.19.??

I tried the suggestion from Hasan to run "make synconfig" but that did not change any option in .config.

I'll try to rebuild kernel/init/busybox/intel-microcode again next weekend.


--
Dan Johansson
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