IBM T40 laptop stops boot process

Bug #250111 reported by TobiasK on 2008-07-19
Affects Status Importance Assigned to Milestone
linux (Ubuntu)

Bug Description

Hello everybody,

I am running Ubuntu 8.04.1 on an IBM T40 laptop.
When booting the laptop with the the generic 2.6.24-19 kernel (current version) the boot process stops at about 12% (according to the waitbar).
I have a hunch that the stop occurs right before the laptop's internal WLAN device is activated. The WLAN device on my laptop is a Cisco Aironet Wireless 802.11b.

When manually choosing the 2.6.22-14 generic kernel the boot process works just fine. The WLAN device is then activated properly during boot process.

I am sure you will need additional information from my laptop concerning this reoport. Please let me know how to retrieve it from my laptop.

Kind regards, Tobias

Brian Murray (brian-murray) wrote :

Thank you for taking the time to report this bug and helping to make Ubuntu better. This bug did not have a package associated with it, which is important for ensuring that it gets looked at by the proper developers. You can learn more about finding the right package at I have classified this bug as a bug in linux.

Jouni Mettala (jouni-mettala) wrote :

This could be duplicate of bug 189398. If blacklisting following modules fix this bug we could mark it duplicate.

> Add the following lines to your /etc/modprobe.d/blacklist file:

# these aes modules break the airo driver
blacklist padlock_aes
blacklist geode_aes

TobiasK (tobias-krewer) wrote :

Thank you for your advice, Jouni. Adding those two lines to the blacklist file fixed the stop of the boot process on my T40 laptop.
Right now I am running the current kernel 2.6.24-19-generic and the boot process went smoothly as usual.
I am goint to mark this bug as a duplicate of the bug #189398.

Thanks again for your help. :)

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