Opkg: install a specific package version

Installing and Using OpenWrt
1

Hi, all.

A follow-up question on this old topic: Opkg: install a specific package version

I use openwrt-snapshot and persistent kmods repository, as described here: https://openwrt.org/faq/cannot_satisfy_dependencies, Persistent kmods for snapshots

# uname -a
Linux sweeney 5.10.82 #0 SMP Sat Dec 11 12:52:39 2021 aarch64 GNU/Linux

# cat /etc/opkg/distfeeds.conf 
src/gz openwrt_core https://downloads.openwrt.org/snapshots/targets/mediatek/mt7622/packages
src/gz openwrt_base https://downloads.openwrt.org/snapshots/packages/aarch64_cortex-a53/base
src/gz openwrt_kmods https://downloads.openwrt.org/snapshots/targets/mediatek/mt7622/kmods/5.10.82-1-a14ddae0ad293746650050c8a01f3bf8
src/gz openwrt_luci https://downloads.openwrt.org/snapshots/packages/aarch64_cortex-a53/luci
src/gz openwrt_packages https://downloads.openwrt.org/snapshots/packages/aarch64_cortex-a53/packages
src/gz openwrt_routing https://downloads.openwrt.org/snapshots/packages/aarch64_cortex-a53/routing
src/gz openwrt_telephony https://downloads.openwrt.org/snapshots/packages/aarch64_cortex-a53/telephony

Trying to install a package:

# opkg install strongswan
Installing strongswan (5.9.4-1) to root...
Downloading https://downloads.openwrt.org/snapshots/packages/aarch64_cortex-a53/packages/strongswan_5.9.4-1_aarch64_cortex-a53.ipk
Collected errors:
 * pkg_hash_check_unresolved: cannot find dependency kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5) for kmod-crypto-aead
 * pkg_hash_check_unresolved: cannot find dependency kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5) for kmod-crypto-authenc
 * pkg_hash_check_unresolved: cannot find dependency kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5) for kmod-crypto-cbc
 * pkg_hash_check_unresolved: cannot find dependency kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5) for kmod-lib-zlib-inflate
 * pkg_hash_check_unresolved: cannot find dependency kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5) for kmod-lib-zlib-deflate
 * pkg_hash_check_unresolved: cannot find dependency kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5) for kmod-crypto-deflate
 * pkg_hash_check_unresolved: cannot find dependency kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5) for kmod-crypto-des
 * pkg_hash_check_unresolved: cannot find dependency kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5) for kmod-crypto-echainiv
 * pkg_hash_check_unresolved: cannot find dependency kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5) for kmod-crypto-hmac
 * pkg_hash_check_unresolved: cannot find dependency kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5) for kmod-crypto-md5
 * pkg_hash_check_unresolved: cannot find dependency kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5) for kmod-crypto-sha1
 * pkg_hash_check_unresolved: cannot find dependency kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5) for kmod-nf-reject
 * pkg_hash_check_unresolved: cannot find dependency kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5) for kmod-nf-ipt
 * pkg_hash_check_unresolved: cannot find dependency kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5) for kmod-ipt-core
 * pkg_hash_check_unresolved: cannot find dependency kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5) for kmod-ipt-ipsec
 * satisfy_dependencies_for: Cannot satisfy the following dependencies for strongswan:
 * 	kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5)
 * opkg_install_cmd: Cannot install package strongswan.

Looking at some package from conflicting dependencies:

# opkg info kmod-ipt-ipsec
Package: kmod-ipt-ipsec
Version: 5.10.87-1
Depends: kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5), kmod-ipt-core
Status: unknown ok not-installed
Section: kernel
Architecture: aarch64_cortex-a53
Size: 3716
Filename: kmod-ipt-ipsec_5.10.87-1_aarch64_cortex-a53.ipk
Description: Netfilter (IPv4) modules for matching IPSec packets
 Includes:
 - ah
 - esp
 - policy

Package: kmod-ipt-ipsec
Version: 5.10.82-1
Depends: kernel (= 5.10.82-1-a14ddae0ad293746650050c8a01f3bf8), kmod-ipt-core
Status: unknown ok not-installed
Section: kernel
Architecture: aarch64_cortex-a53
Size: 3719
Filename: kmod-ipt-ipsec_5.10.82-1_aarch64_cortex-a53.ipk
Description: Netfilter (IPv4) modules for matching IPSec packets
 Includes:
 - ah
 - esp
 - policy

# opkg depends -A kmod-ipt-ipsec
kmod-ipt-ipsec depends on:
	kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5)
	kmod-ipt-core
kmod-ipt-ipsec depends on:
	kernel (= 5.10.82-1-a14ddae0ad293746650050c8a01f3bf8)
	kmod-ipt-core

There are two package versions: from persistent kmods repository and from mainstream snapshot repository. opkg selects the largest version.

Ok, downloading the .ipk and installing a package manually from file:

# cd /tmp
# wget https://downloads.openwrt.org/snapshots/targets/mediatek/mt7622/kmods/5.10.82-1-a14ddae0ad293746650050c
8a01f3bf8/kmod-ipt-ipsec_5.10.82-1_aarch64_cortex-a53.ipk
Downloading 'https://downloads.openwrt.org/snapshots/targets/mediatek/mt7622/kmods/5.10.82-1-a14ddae0ad293746650050c8a01f3bf8/kmod-ipt-ipsec_5.10.82-1_aarch64_cortex-a53.ipk'
Connecting to 2a01:4f8:251:321::2:443
Writing to 'kmod-ipt-ipsec_5.10.82-1_aarch64_cortex-a53.ipk'

# opkg install kmod-ipt-ipsec_5.10.82-1_aarch64_cortex-a53.ipk 
Installing kmod-ipt-ipsec (5.10.87-1) to root...
Downloading https://downloads.openwrt.org/snapshots/targets/mediatek/mt7622/packages/kmod-ipt-ipsec_5.10.87-1_aarch64_cortex-a53.ipk
Collected errors:
 * pkg_hash_check_unresolved: cannot find dependency kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5) for kmod-nf-reject
 * pkg_hash_check_unresolved: cannot find dependency kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5) for kmod-nf-ipt
 * pkg_hash_check_unresolved: cannot find dependency kernel (= 5.10.87-1-b4c5fcb81c91860987588859984a94c5) for kmod-ipt-core
 * opkg_install_pkg: Checksum or size mismatch for package kmod-ipt-ipsec. Either the opkg or the package index are corrupt. Try 'opkg update'.
 * opkg_install_cmd: Cannot install package kmod-ipt-ipsec.

Why does he goes to repository anyway and trying to install wrong version, if there was a command to install from a given file?

How to install a specific package version?
How to use correctly a persistent kmods repository?

2

you can only install the current snapshot version of any package, the current file(s) are overwritten by the new ones, on a daily basis.

mostly kernel modules are affected.

installing from local file would be opkg install file.ipk

3

But why did they come up with persistent kmods repository? Does it not work anymore? Has it ever worked?

4

it's persistent for stable releases, not for snapshots.

if you want to stay on a specific snapshot date, you need to make your own local copy of the package repository.

5

Okay. But the links I gave above say the opposite.

6

When you get the message “Cannot satisfy the following dependencies for…” it is most likely because you installed a snapshot version of OpenWrt.
Read here for possible solutions.

7

what exactly contradicts my statement ?

9

I gave this link at the very beginning of my post and wrote that it was the solution described in it that I was trying to practice. But it doesn't work.

10

"I'm using a snapshot image" -- Solution #4.

"Persistent kmods for snapshots"

12

However, I found a workaround:

  1. Remove (or comment) openwrt_core repo in /etc/opkg/distfeeds.conf
  2. opkg update
  3. Install a package. If there are not enough packages from openwrt_core, install their manually and try again. Kmods will installed correctly from persistent kmods repository.

This is acceptable, but I would like to believe that there is a more correct way.

1 Like
13

The best way will be to find a version which is compatible with the rest of the installation. Version mismatches may cause device malfunctions and are risky.