On Sat, Jul 5, 2025 at 10:07 PM <fed...@eyal.emu.id.au> wrote:

> Today I did the usual 'dnf update' on a VM system.
> As part of the update I received kernel-6.15.4-200.fc42.x86_64
>

"VM System" is too vague: which VM?

>
> However, after the upgrades were done, the last console message was
>         >>> Running post-transaction scriptlet:
> kernel-core-0:6.15.4-200.fc42.x86_64
> after which the system was hard locked (about 45m...).
>

Does "the system" refer to the VM or the host?


>
> Looking at the log (I remote rsyslog to my server) I see:
>
> Jul  6 09:16:53 e4 dracut[24606]: dracut-105-3.fc42
> [...]

Jul  6 09:17:07 e4 kernel: block vda: the capability attribute has been
> deprecated.
>

I see this on my systems -- it seems to have been a change in the supported
capabilities
for block devices.

> Jul  6 09:17:07 e4 dracut[24609]: *** Including module:
> kernel-modules-extra ***
>
> This was followed with a hard reset. The boot (6.15.4) failed. So I booted
> to the earlier kernel (6.15.3).
>

A hard reset you initiated, ot a spontaeous reset?


> I then removed and installed the latest kernel which did NOT create a new
> initramfs.
>

Failure to create the initramfs is a known issue.


> Solved by running:
>         $ sudo dracut -f /boot/initramfs-6.15.4-200.fc42.x86_64.img
> 6.15.4-200.fc42.x86_64
> which proceeded to completion:
>
> [...]Jul  6 10:19:32 e4 dracut[2939]: *** Creating initramfs image file
> '/boot/initramfs-6.15.4-200.fc42.x86_64.img' done ***
>
> The following 6.15.4 boot succeeded (it did a root fsck).
>
> 1) Is the initial install failure a problem with the package (or dnf)?
>

Do you have out-of-tree modules?  See <
https://bugzilla.redhat.com/show_bug.cgi?id=2333757>.

>
> 2) Anyway, what is the 'block vda: the capability attribute has been
> deprecated.' about, and how do I correct it?
>

No correction is needed,


> 3) Should the 'dnf remove/install' of the latest kernel run the
> post-transaction for that package?
>

The answer may depend on the reason for the failure to create the initrd.

-- 
George N. White III
-- 
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