Troubleshooting Slow Pacman Downloads in Arch Linux WSL2 #333

8ullyMaguire · 2023-10-30T01:31:38Z

8ullyMaguire
Oct 30, 2023

[user@DESKTOP-DB1100 ~]$ sudo pacman -Syyu
error: failed retrieving file 'libsysprof-capture-45.1-1-x86_64.pkg.tar.zst.sig' from mirrors.edge.kernel.org : Operation too slow. Less than 1 bytes/sec transferred the last 10 seconds
error: failed retrieving file 'npth-1.6-4-x86_64.pkg.tar.zst' from mirrors.kernel.org : Operation too slow. Less than 1 bytes/sec transferred the last 10 seconds
error: failed retrieving file 'libffi-3.4.4-1-x86_64.pkg.tar.zst.sig' from mirrors.edge.kernel.org : Operation too slow. Less than 1 bytes/sec transferred the last 10 seconds
error: failed retrieving file 'libcap-ng-0.8.3-2-x86_64.pkg.tar.zst' from mirrors.kernel.org : Operation too slow. Less than 1 bytes/sec transferred the last 10 seconds
error: failed retrieving file 'filesystem-2023.09.18-1-any.pkg.tar.zst' from mirrors.kernel.org : Operation too slow. Less than 1 bytes/sec transferred the last 10 seconds
warning: too many errors from mirrors.kernel.org, skipping for the remainder of this transaction
warning: failed to retrieve some files
error: failed to commit transaction (download library error)
Errors occurred, no packages were upgraded.

The errors you're encountering are due to issues with the mirror servers you're using to download packages for your Arch Linux system on WSL2. The error message "Operation too slow. Less than 1 bytes/sec transferred the last 10 seconds" indicates that the download speed from the mirror is too slow, causing the operation to fail.

There are several potential solutions to this issue:

Update your mirror list: The mirror list is a list of servers from which your system downloads packages. If the current mirrors are slow or unresponsive, updating the list might solve the problem. You can use the reflector tool to automatically generate a new mirror list based on the latest mirror status. Here's an example command: reflector -a24 -c US --score 20 -f10 --save /etc/pacman.d/mirrorlist[8]. Replace "US" with your country code if you're not in the United States.

Try the operation again: Sometimes, mirror servers can have temporary issues. Simply trying the operation again after a while might solve the problem.

Switch to a different mirror: If updating the mirror list or retrying the operation doesn't work, you might need to manually switch to a different mirror. You can do this by editing the /etc/pacman.d/mirrorlist file and moving a different mirror to the top of the list[5].

Check your internet connection: If you're having issues with multiple mirrors, the problem might be with your internet connection. Make sure your connection is stable and try the operation again.

Remember to update your package database with sudo pacman -Sy after changing your mirror list. If none of these solutions work, there might be a problem with your Arch Linux installation on WSL2. In that case, you might need to reinstall Arch Linux or seek further assistance.

[user@DESKTOP-DB1100 ~]$ reflector -a24 -c ES --score 20 -f10 --save /etc/pacman.d/mirrorlist
-bash: reflector: command not found


[user@DESKTOP-DB1100 ~]$ sudo pacman -S pacman-contrib
[sudo] password for user:
resolving dependencies...
looking for conflicting packages...

Packages (1) pacman-contrib-1.9.1-1

Total Download Size:   0.05 MiB
Total Installed Size:  0.12 MiB

:: Proceed with installation? [Y/n]
:: Retrieving packages...
 pacman-contrib-1.9.1-1-x86_64                                     48.5 KiB  68.3 KiB/s 00:01 [#######################################################] 100%(1/1) checking keys in keyring                                                                [#######################################################] 100%
(1/1) checking package integrity                                                              [#######################################################] 100%
(1/1) loading package files                                                                   [#######################################################] 100%
(1/1) checking for file conflicts                                                             [#######################################################] 100%
:: Processing package changes...
(1/1) installing pacman-contrib                                                               [#######################################################] 100%
Optional dependencies for pacman-contrib
    diffutils: for pacdiff
    findutils: for pacdiff --find [installed]
    mlocate: for pacdiff --locate
    sudo: privilege elevation for several scripts [installed]
    vim: default merge program for pacdiff [installed]
:: Running post-transaction hooks...
(1/2) Reloading system manager configuration...
  Skipped: Current root is not booted.
(2/2) Arming ConditionNeedsUpdate...


[user@DESKTOP-DB1100 ~]$ sudo pacman -Sy reflector
:: Synchronizing package databases...
 core is up to date
 extra is up to date
 community is up to date
resolving dependencies...
looking for conflicting packages...

Packages (3) libnsl-2.0.1-1  python-3.11.5-2  reflector-2023-1

Total Download Size:   13.98 MiB
Total Installed Size:  75.46 MiB

:: Proceed with installation? [Y/n]
:: Retrieving packages...
 reflector-2023-1-any                                              39.6 KiB   248 KiB/s 00:00 [#######################################################] 100% libnsl-2.0.1-1-x86_64                                             21.7 KiB  77.5 KiB/s 00:00 [#######################################################] 100% python-3.11.5-2-x86_64                                            13.9 MiB  2.41 MiB/s 00:06 [#######################################################] 100% Total (3/3)                                                       14.0 MiB  2.39 MiB/s 00:06 [#######################################################] 100%
(3/3) checking keys in keyring                                                                [#######################################################] 100%
(3/3) checking package integrity                                                              [#######################################################] 100%
(3/3) loading package files                                                                   [#######################################################] 100%
(3/3) checking for file conflicts                                                             [#######################################################] 100%
:: Processing package changes...
(1/3) installing libnsl                                                                       [#######################################################] 100%
(2/3) installing python                                                                       [#######################################################] 100%
Optional dependencies for python
    python-setuptools: for building Python packages using tooling that is usually bundled with Python
    python-pip: for installing Python packages using tooling that is usually bundled with Python
    python-pipx: for installing Python software not packaged on Arch Linux
    sqlite: for a default database integration [installed]
    mpdecimal: for decimal
    xz: for lzma [installed]
    tk: for tkinter
(3/3) installing reflector                                                                    [#######################################################] 100%
Optional dependencies for reflector
    rsync: rate rsync mirrors
:: Running post-transaction hooks...
(1/2) Reloading system manager configuration...
  Skipped: Current root is not booted.
(2/2) Arming ConditionNeedsUpdate...


[user@DESKTOP-DB1100 ~]$ sudo reflector -c Spain -a 12 --sort rate --save /etc/pacman.d/mirrorlist
/usr/bin/python: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /usr/lib/libpython3.11.so.1.0)
/usr/bin/python: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /usr/lib/libpython3.11.so.1.0)


[user@DESKTOP-DB1100 ~]$ sudo pacman -Su
:: Starting full system upgrade...
 there is nothing to do
 
 
[user@DESKTOP-DB1100 ~]$
[user@DESKTOP-DB1100 ~]$ sudo pacman -Syyu
:: Synchronizing package databases...
 core                                                             130.4 KiB   221 KiB/s 00:01 [#######################################################] 100% extra.db failed to download
 community                                                         45.0   B   107   B/s 00:00 [#######################################################] 100%error: failed retrieving file 'extra.db' from mirrors.kernel.org : Operation too slow. Less than 1 bytes/sec transferred the last 10 seconds
error: failed to synchronize all databases (download library error)


[user@DESKTOP-DB1100 ~]$ sudo reflector -c Spain -a 12 --sort rate --save /etc/pacman.d/mirrorlist
[2023-10-30 02:40:51] WARNING: failed to rate rsync download (rsync://mirror.librelabucm.org/archlinux/extra/os/x86_64/extra.db): [Errno 2] No such file or directory: 'rsync'

It doesn't work with newer versions of windows. Would not recommend using it.

Originally posted by @nisarg-ujjainkar in #150 (comment)

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Troubleshooting Slow Pacman Downloads in Arch Linux WSL2 #333

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8ullyMaguire Oct 30, 2023

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8ullyMaguire
Oct 30, 2023