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Re: Don't do that!

That is interesting. I have a similar setup on my workstation:

/dev/sda2                 ext4        964532     59380    856156   7% /boot

With the rest of the filesystems in an encrypted LVM container. I built (rebuilt) this machine a couple of years ago, and have never had an issue...To include power failures where the machine did not power down gracefully.

Could it have been a problem with your SSD, e.g. a bad spot, or could the initramfs have been corrupted on write?

Do you have other kernels installed? (I usually keep, at a minimum, the current one and the last one.)


On Tue, Apr 23, 2013 at 11:52 AM, Hans-J. Ullrich <hans.ullrich@loop.de> wrote:
Today I learnt this: Do NOT use ext4 for the /boot partition, where your
kernel resides.

I did this on my EEEPC to speed up boot, and today I got at boot the error
message: initrd.img corrupt. My EEEPC has got an ssd inside and /usr, /home
and /var are encrypted partitions.

It took me hours and hours to fix this. First I tried ext2fs, with no success.
I could run Trinity Rescue Kit from a sd card, and I created a chroot, but not
all was possible to do in the chroot.

After lots of tries I got the solution:

1. I backuped all the content of /boot to another drive.
2. Booted with a livefile and formatted /boot to ext2.
3. Restored /boot
4. Edited /etc/fstab, removed the UUID of /boot and removed disacard,noatime
5. Now I could boot again.
6. From the running system started "update-initramfs -u"
7. Did "dpkg-reconfigure linux-base", so I got the UUID in all necessary config
files again.
8. For making all sure. did "update-grub"
9. Finally test, rebooted again, everything was ok.

So NEVER, NEVER, NEVER use ext4 for /boot! Don't do it!
(If I would have read the manual, I should have known, ext4 and grub is still
in experimental state)

Best regards


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