Re: kernel errors

[Richmond <dnomhcir@gmx.com>]

"Thomas Schmitt" <scdbackup@gmx.net> writes:

> I assume that you will see the same result there.

lsblk -b -o VENDOR,MODEL,SIZE,PHY-SEC,LOG-SEC /dev/sr*
VENDOR   MODEL                       SIZE PHY-SEC LOG-SEC
HL-DT-ST HL-DT-ST_DVDRAM_GH15F 1073741312     512     512

5.10.0-21-amd64 #1 SMP Debian 5.10.162-1 (2023-01-21) x86_64 GNU/Linux

>
> If you have some blank optical medium, then try whether the emitter of
> the read attempt can be discouraged if the drive is perceived as offering
> just one block of 2048 bytes.

I don't know how to do that. Do you mean make a DVD with 1 block of data?

> There are many motivations to read the start of the device and fewer to
> read its end. One reason to read the end is the GPT backup header, which
> would sit 512 bytes before the end.
> The main GPT header block is at byte 512 of the storage device.

I am not using GPT on any systems. They all have ext4 root partitions.