Red Hat Bugzilla – Bug 496496
Sporadic network and keyboard non-responsiveness after suspend
Last modified: 2009-07-14 11:54:58 EDT
Description of problem:
Unfortunately this is not 100% reproducible, but it seems to be happening more than 50% of the time, and only since I performed a long-overdue 'yum update'. Under the old kernel, which I think was kernel-22.214.171.124-78.2.8.fc9.i686 I did not have these problems.
Version-Release number of selected component (if applicable):
Most, but not all, of the time.
Steps to Reproduce:
Suspend and un-suspend laptop
There are a few symptoms that appear in various combinations. One is the network card disappearing. Most of the time NetworkManager will say that networking has been disabled. Sometimes re-loading the driver (iwl3945 for the wireless card on my Thinkpad in this case) and re-starting NetworkManager will fix the problem. Sometimes it does not, and sometimes, after a few seconds, the keyboard becomes unresponsive as a result. This is also sometimes an immediate effect after coming out of suspend, though it is less common than the network problem. The mouse still works and the system is still responsive, but no keyboard input, including 'ctrl-alt-f#' does anything. The only solution I have found when this happens is to power-cycle the machine. Attempts to re-suspend the machine just cause it to hang.
Full restoration of functionality
I can bring my laptop over to someone in the Westford office if it would be helpful to observe this behavior first-hand.
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