[Bug 126369] Re: kernel disables irq after 10 minutes

[Florian Hackenberger]

Solved  by a Lenovo BIOS upgrade which is now available for X61t machines as well. See here: http://www-307.ibm.com/pc/support/site.wss/document.do?sitestyle=lenovo&lndocid=MIGR-68005
The following changelog line is relevant to this bug:

Version 7SET23WW (1.09)
    * (Fix) Unexpected interrupts from the USB controller may occur. (BIOS)

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kernel disables irq after 10 minutes
https://bugs.launchpad.net/bugs/126369
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