Hi Uwe,

On Thu 26/Jun/2025 17:59:20 +0200 Uwe Kleine-König wrote:
;...]

I'm unclear about the relationship among Devuan/ Debian 6.1.0-37,
6.1.140-1 numbering and the 6.15 or 6.12 used by kernel.org.  I get
the following:

I don't know if Devuan does their own kernel packaging,


They don't.  The --print-uris option talls me, for example:

root@pcale:# apt-get install --print-uris linux-image-amd64-dbg
...
'http://deb.devuan.org/merged/pool/DEBIAN-SECURITY/updates/main/l/linux/linux-image-6.1.0-37-amd64-dbg_6.1.140-1_amd64.deb'
 linux-image-6.1.0-37-amd64-dbg_6.1.140-1_amd64.deb 853916720
'http://deb.devuan.org/merged/pool/DEBIAN-SECURITY/updates/main/l/linux/linux-image-amd64-dbg_6.1.140-1_amd64.deb'
 linux-image-amd64-dbg_6.1.140-1_amd64.deb 1300

But then:

root@pcale:# curl --head 
http://deb.devuan.org/merged/pool/DEBIAN-SECURITY/updates/main/l/linux/
HTTP/1.1 302 Found
Date: Fri, 27 Jun 2025 12:44:01 GMT
Server: Apache/2.4.62 (Debian)
Location: http://deb.debian.org/debian-security/pool/updates/main/l/linux/
Content-Type: text/html; charset=iso-8859-1
but for Debian it's as follows:
[...]


Thank you so much for clarifying.  It's quite obscure.


Try installing 
http://deb.debian.org/debian/pool/main/l/linux-signed-amd64/linux-image-6.15-amd64_6.15.3-1~exp1_amd64.deb
. The MD5 sum should be c41ea7cd2bf35dc2ef13b6502df9dac0.


I haven't been able to find what Devuan package points there.  I tried to 
install it directly, but got the following error:

root@pcale:# dpkg -i linux-image-6.15-amd64_6.15.3-1~exp1_amd64.deb
dpkg: regarding linux-image-6.15-amd64_6.15.3-1~exp1_amd64.deb containing 
linux-image-6.15-amd64, pre-dependency problem:
 linux-image-6.15-amd64 pre-depends on linux-base (>= 4.12~)
  linux-base is installed, but is version 4.9.

dpkg: error processing archive linux-image-6.15-amd64_6.15.3-1~exp1_amd64.deb 
(--install):
 pre-dependency problem - not installing linux-image-6.15-amd64
Errors were encountered while processing:
 linux-image-6.15-amd64_6.15.3-1~exp1_amd64.deb


I got more errors when trying to install linux-base 4.12.  Then I didn't insist 
because something sounds wrong:  If I'm trying to install a previous version of 
the kernel, how come it depends to a subsequent version of linux-base?  In 
fact, I cannot find 6.15 in the cache:

root@pcale:# apt-cache search linux-image| grep 6.15
root@pcale:#

The highest I can find with apt-cache is a 6.12.27 backport:

root@pcale:# apt-get install --print-uris linux-image-6.12.27+bpo-rt-amd64
...
'http://deb.devuan.org/merged/pool/DEBIAN/main/l/linux-signed-amd64/linux-image-6.12.27%2bbpo-rt-amd64_6.12.27-1%7ebpo12%2b1_amd64.deb'
 linux-image-6.12.27+bpo-rt-amd64_6.12.27-1~bpo12+1_amd64.deb 107428604

Which is redirected to an URL in the same directory as the 6.15 you suggested:
Location: 
http://deb.debian.org/debian/pool/main/l/linux-signed-amd64/linux-image-6.12.27+bpo-rt-amd64_6.12.27-1~bpo12+1_amd64.deb


Thinking again, maybe it would be more productive to try and install the latest 
kernel, in case the problem is fixed there.

What you think?


Best
Ale

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