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Re: Unbootable system after fresh install on Sun Ultra 45 workstation



(Please keep the list CC'ed)

Hello Marcelo,

On Mon, 2025-05-19 at 17:41 +0200, Marcelo Bezerra wrote:
> I used this image:
> https://cdimage.debian.org/cdimage/ports/current/debian-12.0.0-sparc64-NETINST-1.iso

OK, thanks. FWIW, it's better to use the explicit links to avoid ambiguity:

https://cdimage.debian.org/cdimage/ports/snapshots/2025-04-01/debian-12.0.0-sparc64-NETINST-1.iso

> sdb2 may sound strange, but it is the correct partition for /, as the
> machine has solaris installed on what it thinks is sda :)

But the naming of devices is not guaranteed at all on Linux. Whether your
Solaris disk becomes sda or sdb is pure accident which is why it shouldn't
rely on device names.

> Fstab has not been modified and does indeed refer to the paritions by
> UUID. This is the first boot after a fresh install. The error message
> of can't mount /root probably is probably a side effect of the
> initramfs process or someone trying to make it more user friendly.

I just checked the LDOM on one of our SPARC T4 and the partition is mounted
with the following message:

EXT4-fs (vdiska2): mounted filesystem <redacted UUID> ro with ordered data mode. Quota mode: none.

> Installation was done in guided partition mode, using the full (sdb)
> disk. sdb1 is /boot, sbd2 is / and sbd3 is swap in this particular
> installation.

Can you post the /etc/fstab? You can obtain it by booting into rescue mode
using the installation CD. While at it, please also provide the files "partman"
and "syslog" from /var/log/installer.

> The system clearly tried to load the wrong crc32c module, instead of
> crc32c_generic, which triggered the following kernel messages:
>  [   75.478521] crc32c_sparc64: sparc64 crc32c opcode not available.
>  [   75.652621] EXT4-fs (sdb2): Cannot load crc32c driver.

I'm not sure how this is supposed to be related to your root filesystem problem.

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer
`. `'   Physicist
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