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On 2024-07-15 at 07:42, Demetrius Stanton wrote:

Hi!

My name is Demetrius Stanton. It was suggested that I reach out for a
problem I'm experiencing trying to install gdb on my system. I'm willing to submit whatever information is necessary to try and get this issue
resolved.

I recently encountered a weird error, and I can't seem to find a fix
online. When I run the command ` sudo apt update && sudo apt install gdb -y `, I receive an 404 error stating failed to fetch https://deb.debian.org/debian/pool/main/g/glibc/libc6-dbg_2.36-9%2bdeb12u*4*_amd64.deb.

How do I proceed forward from here?

I posed this question to <[email protected]> and received the following in response:

<snip>

The particular error - attempting to fetch and install what looks like an
out of date version of libc6-dbg_2.36-9 - suggests your system might not be fully up to date.

<snip>

You should provide additional information (and will be asked to do so if
you do not), since what you give above is a bit sketchy. In particular, I suggest you include in the question a copy of your /etc/apt/sources.list
and any files that are in the directory /etc/apt/sources.list.d.

<snip>

Attempting the prescribed fix yielded the following:

$ sudo apt update && sudo apt full-upgrade
[sudo] password for demetrius:
Hit:1 https://dl.google.com/linux/chrome/deb stable InRelease
Hit:2 https://deb.debian.org/debian bookworm InRelease
Hit:3 https://packages.microsoft.com/repos/code stable InRelease
Hit:4 https://brave-browser-apt-release.s3.brave.com stable InRelease

<snip>

Err:1 https://deb.debian.org/debian bookworm/main amd64 libc6-dbg amd64 2.36-9+deb12u4
404 Not Found [IP: 2a04:4e42:d::644 443]
E: Failed to fetch https://deb.debian.org/debian/pool/main/g/glibc/libc6-dbg_2.36-9%2bdeb12u4_amd64.deb
404 Not Found [IP: 2a04:4e42:d::644 443]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

So now I'm reaching out.
Here's the info that was recommended I add:

$ cat /etc/apt/sources.list
# deb cdrom:[Debian GNU/Linux 12.2.0 _Bookworm_ - Official amd64 DVD
Binary-1 with firmware 20231007-10:29]/ bookworm main non-free-firmware
deb https://deb.debian.org/debian/ bookworm main contrib
$ ls /etc/apt/sources.list.d/
brave-browser-release.list google-chrome.list vscode.list
$ cat /etc/apt/sources.list.d/brave-browser-release.list
deb [signed-by=/usr/share/keyrings/brave-browser-archive-keyring.gpg] https://brave-browser-apt-release.s3.brave.com/ stable main
$ cat /etc/apt/sources.list.d/google-chrome.list
### THIS FILE IS AUTOMATICALLY CONFIGURED ###
# You may comment out this entry, but any other modifications may be lost. deb [arch=amd64] https://dl.google.com/linux/chrome/deb/ stable main
$ cat /etc/apt/sources.list.d/vscode.list
### THIS FILE IS AUTOMATICALLY CONFIGURED ###
# You may comment out this entry, but any other modifications may be lost. deb [arch=amd64,arm64,armhf] https://packages.microsoft.com/repos/code
stable main

This sources.list file is missing entries for the portions of the
archive that contain the debug-symbols packages.

For comparison, here is a trio of successive lines from my own
sources.list:

deb http://ftp.us.debian.org/debian/ testing main non-free non-free-firmware contrib
deb-src http://ftp.us.debian.org/debian/ testing main non-free non-free-firmware contrib
deb http://debug.mirrors.debian.org/debian-debug/ testing-debug main non-free non-free-firmware contrib

These specify where APT should look for A: the binary packages, B: the
source packages, and D: the debug-symbols packages, for Debian testing.

(I configure sources list with the names 'stable', 'testing', and 'sid',
rather than using the release codenames; I do this on purpose, but it is typically recommended to use the release codenames, and you are probably correct for your situation that you use them.)


Try adding

deb https://debug.mirrors.debian.org/debian-debug/ bookworm-debug main
contrib

(and/or similar for any other official Debian repositories you want to
get debug packages from), and repeating the suggested 'apt update'
command, then installing the desired package(s) again.

I don't think a full-upgrade will be necessary in your circumstances,
although it would *probably* not hurt. If the install attempt still
fails, you can try 'apt full-upgrade' and see whether it produces
something reasonable.

If there's anything you can suggest to help, it would be greatly
appreciated!

I hope that is enough to lead you somewhere useful!

--
The Wanderer

The reasonable man adapts himself to the world; the unreasonable one
persists in trying to adapt the world to himself. Therefore all
progress depends on the unreasonable man. -- George Bernard Shaw


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Hi Demetrius.

See the embedded observations below.



On 7/15/24 05:42, Demetrius Stanton wrote:

Hi!

My name is Demetrius Stanton. It was suggested that I reach out for a problem I'm experiencing trying to install gdb on my system. I'm willing to submit whatever information is necessary to try and get this issue resolved.

I recently encountered a weird error, and I can't seem to find a fix online. When I run the command ` sudo apt update && sudo apt install gdb -y `, I receive an 404 error stating failed to fetch https://deb.debian.org/debian/pool/main/g/glibc/libc6-

dbg_2.36-9%2bdeb12u <https://deb.debian.org/debian/pool/main/g/glibc/libc6-dbg_2.36-9%2bdeb12u>*4*_amd64.deb. When I navigate to the https://deb.debian.org/debian/pool/main/g/glibc/ <https://deb.debian.org/debian/pool/main/g/glibc/> site, I'm able to
find  libc6-dbg_2.36-9+deb12u*7*_amd64.deb. Though I'm reasonably confident I could use wget to download and then dpkg to install this file, I am concerned I could adversely affect the stability of my system. I'm sure it would be safer for me to use apt
to manage my packages.

How do I proceed forward from here?

I posed this question to <[email protected] <mailto:[email protected]>> and received the following in response:

"
Welcome to Debian.

You might be able to resolve this issue you have by running

   sudo apt update

followed by

   sudo apt full-upgrade

and resolve resulting errors, if any occur, and then try reinstalling gdb. The particular error - attempting to fetch and install what looks like an out of date version of libc6-dbg_2.36-9 - suggests your system might not be fully up to date. If that

helps, good; otherwise:

You would do better to ask this question on the debian-user list ([email protected] <mailto:[email protected]>). It is a fairly active list that includes people with a wide range of knowledge and who generally are willing to help.

You should provide additional information (and will be asked to do so if you do not), since what you give above is a bit sketchy. In particular, I suggest you include in the question a copy of your /etc/apt/sources.list and any files that are in the

directory /etc/apt/sources.list.d. It might also be useful to include a copy of your /etc/debian_version and /etc/os-release files, which will establish the exact update level of your system.

In general, it is probably a bad idea to poke around in /debian/pool/ in the distribution repository for things to install. Those directories contain software for several releases and mixing versions from different releases may, as you suspect, result

in an unstable system. Using apt is much safer, but depends on correct setup of the files in the /etc/apt/ directory that describe the range of software installed.

Regards,
<redacted>
"
Attempting the prescribed fix yielded the following:

$ sudo apt update && sudo apt full-upgrade
[sudo] password for demetrius:
Hit:1 https://dl.google.com/linux/chrome/deb <https://dl.google.com/linux/chrome/deb> stable InRelease
Hit:2 https://deb.debian.org/debian <https://deb.debian.org/debian> bookworm InRelease
Hit:3 https://packages.microsoft.com/repos/code <https://packages.microsoft.com/repos/code> stable InRelease
Hit:4 https://brave-browser-apt-release.s3.brave.com <https://brave-browser-apt-release.s3.brave.com> stable InRelease
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
All packages are up to date.
N: Repository 'Debian bookworm' changed its 'firmware component' value from 'non-free' to 'non-free-firmware'
N: More information about this can be found online in the Release notes at: https://www.debian.org/releases/bookworm/amd64/release-notes/ch-information.html#non-free-split <https://www.debian.org/releases/bookworm/amd64/release-notes/ch-information.

html#non-free-split>

Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
$ sudo apt install gdb -y
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following additional packages will be installed:
  libbabeltrace1 libboost-regex1.74.0 libc6-dbg libdebuginfod-common libdebuginfod1 libipt2 libsource-highlight-common
  libsource-highlight4v5
Suggested packages:
  gdb-doc gdbserver
The following NEW packages will be installed:
  gdb libbabeltrace1 libboost-regex1.74.0 libc6-dbg libdebuginfod-common libdebuginfod1 libipt2 libsource-highlight-common
  libsource-highlight4v5
0 upgraded, 9 newly installed, 0 to remove and 0 not upgraded.
Need to get 7,458 kB/12.5 MB of archives.
After this operation, 28.4 MB of additional disk space will be used.
Err:1 https://deb.debian.org/debian <https://deb.debian.org/debian> bookworm/main amd64 libc6-dbg amd64 2.36-9+deb12u4

This version of libc6-dbg, 2.36-9+deb12u4, is not the current one, and it is not in the repository. This error may go away if you update your installation to the current release, 12.6 (see below, at the contents of /etc/debian_version).

  404  Not Found [IP: 2a04:4e42:d::644 443]
E: Failed to fetch https://deb.debian.org/debian/pool/main/g/glibc/libc6-dbg_2.36-9%2bdeb12u4_amd64.deb <https://deb.debian.org/debian/pool/main/g/glibc/libc6-dbg_2.36-9%2bdeb12u4_amd64.deb>  404  Not Found [IP: 2a04:4e42:d::644 443]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

So now I'm reaching out.
Here's the info that was recommended I add:

$ cat /etc/apt/sources.list
# deb cdrom:[Debian GNU/Linux 12.2.0 _Bookworm_ - Official amd64 DVD Binary-1 with firmware 20231007-10:29]/ bookworm main non-free-firmware
deb https://deb.debian.org/debian/ <https://deb.debian.org/debian/> bookworm main contrib

You probably should also include non-free-firmware in this entry unless you are certain your system has no hardware that might require it. Laptop wifi, some video and other peripheral devices may require proprietary/binary firmware from this section of
the repository.

This probably did not cause your problem, however.

$ ls /etc/apt/sources.list.d/
brave-browser-release.list  google-chrome.list  vscode.list

$ cat /etc/apt/sources.list.d/brave-browser-release.list
deb [signed-by=/usr/share/keyrings/brave-browser-archive-keyring.gpg] https://brave-browser-apt-release.s3.brave.com/ <https://brave-browser-apt-release.s3.brave.com/> stable main

$ cat /etc/apt/sources.list.d/google-chrome.list
### THIS FILE IS AUTOMATICALLY CONFIGURED ###
# You may comment out this entry, but any other modifications may be lost. deb [arch=amd64] https://dl.google.com/linux/chrome/deb/ <https://dl.google.com/linux/chrome/deb/> stable main

$ cat /etc/apt/sources.list.d/vscode.list
### THIS FILE IS AUTOMATICALLY CONFIGURED ###
# You may comment out this entry, but any other modifications may be lost. deb [arch=amd64,arm64,armhf] https://packages.microsoft.com/repos/code <https://packages.microsoft.com/repos/code> stable main

$ cat /etc/debian_version
12.5

This indicates your Debian installation is not up to date. The present release level is 12.6, and the update to 12.7 will will be released in a few weeks. Fixing this may correct the problem in which apt tries to download an old version of libc6-dbg (
probably the one corresponding to your installed version of libc6.

Regards,
Tom Dial

$ cat /etc/os-release
PRETTY_NAME="Debian GNU/Linux 12 (bookworm)"
NAME="Debian GNU/Linux"
VERSION_ID="12"
VERSION="12 (bookworm)"
VERSION_CODENAME=bookworm
ID=debian
HOME_URL="https://www.debian.org/ <https://www.debian.org/>" SUPPORT_URL="https://www.debian.org/support <https://www.debian.org/support>" BUG_REPORT_URL="https://bugs.debian.org/ <https://bugs.debian.org/>"

If there's anything you can suggest to help, it would be greatly appreciated!

Demetrius Stanton

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