solution to one type of "failed to initialize HAL" -- upgrade

Quote:

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Originally Posted by xiang

Hi

Here I describe a type of "failed to initialize HAL" problem and its solution. (There are so many types of "failed to initialize HAL", so please check whether your symptom is the same as mine first).

symptom:
install ubuntu 7.04 by wubi
when login, a pop-out window said "internal error, failed to initialize HAL". You will also found "no network connection" on the network icon at the systemtray. In addition, you can't open "power management" and "hardware information" in "preference".

solution:
search "hal" in synaptic, you will find the below packages
hal
hal-device-manager
libhal-storage1
libhal1

check the properties of them, you can notice they have 2 versions. !!! force them to the old version. Everything will be OK.

(BTW, I also do a little other changes. I am not sure whether they also have effects but you can try if something goes wrong.
force kdebase-kio-plugins to old version
install hal-cups-utils libopenexr2c2a initscripts)

conclusion
This problem is due to the upgrade of HAL related packages. It seems that this problem just occurs in the systems installed by wubi but not in standard systems. I also encountered other problems (slow system) when upgraded, I am not sure what caused them, ubuntu itself or wubi? So my experience is if your system run well, do not upgrade.

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This worked for me Thanks xiang

This describes the exact problem I'm having with 7.04. However, when I go to downgrade the versions, it seeks to download files. Since a part of the problem is my network device isn't found, how can I download files to downgrade versions?

I got this error after I enabled the backports repository and updated hal from it. A way to avoid this is to pin the hal version to the one installed. You can do this by placing this text on /etc/apt/preferences:

Code:

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Package: hal
Pin: version 0.5.8*
Pin-Priority: 990

Package: libhal1
Pin: version 0.5.8*
Pin-Priority: 990

Package: libhal-storage1
Pin: version 0.5.8*
Pin-Priority: 990

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While it won't help if you already got the error, this allows you to enable the backports repository without a hal update ruining you installation.

This soloution worked for me:

Code:

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sudo /usr/lib/hal/hald-generate-fdi-cache

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http://ubuntuforums.org/showthread.php?t=583940

Good tip Six_Digits looks interesting.

Guys can you check what is the status of hal with wubi 7.10?

I exactly the same problem, but in gusty. There is only version of the pacages, so is there a fix for gusty?